H5PS5162FFR Series
512Mb DDR2 SDRAM
H5PS5162FFR-xxC Series
H5PS5162FFR-xxL Series
H5PS5162FFR-xxI Series
This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any
responsibility for use of circuits described. No patent licenses are implied.
Rev. 1.0 / Jul. 2008
1
Release
H5PS5162FFR series
Revision History
Rev.
History
Draft Date
0.1
Preliminary
Jan. 2008
1.0
Release
Jul. 2008
Rev. 1.0 / July. 2008
2
Release
H5PS5162FFR series
Contents
1. Description
1.1 Device Features and Ordering Information
1.1.1 Key Features
1.1.2 Ordering Information
1.1.3 Ordering Frequency
1.2 Pin configuration
1.3 Pin Description
2. Maximum DC ratings
2.1 Absolute Maximum DC Ratings
2.2 Operating Temperature Condition
3. AC & DC Operating Conditions
3.1 DC Operating Conditions
5.1.1 Recommended DC Operating Conditions(SSTL_1.8)
5.1.2 ODT DC Electrical Characteristics
3.2 DC & AC Logic Input Levels
3.2.1 Input DC Logic Level
3.2.2 Input AC Logic Level
3.2.3 AC Input Test Conditions
3.2.4 Differential Input AC Logic Level
3.2.5 Differential AC output parameters
3.3 Output Buffer Levels
3.3.1 Output AC Test Conditions
3.3.2 Output DC Current Drive
3.3.3 OCD default characteristics
3.4 IDD Specifications & Measurement Conditions
3.5 Input/Output Capacitance
4. AC Timing Specifications
5. Package Dimensions
Rev. 1.0 / July. 2008
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H5PS5162FFR series
1. Description
1.1 Device Features & Ordering Information
1.1.1 Key Features
• VDD ,VDDQ =1.8 +/- 0.1V
• All inputs and outputs are compatible with SSTL_18 interface
• Fully differential clock inputs (CK, /CK) operation
• Double data rate interface
• Source synchronous-data transaction aligned to bidirectional data strobe (DQS, DQS)
• Differential Data Strobe (DQS, DQS)
• Data outputs on DQS, DQS edges when read (edged DQ)
• Data inputs on DQS centers when write(centered DQ)
• On chip DLL align DQ, DQS and DQS transition with CK transition
• DM mask write data-in at the both rising and falling edges of the data strobe
• All addresses and control inputs except data, data strobes and data masks latched on the rising edges of the clock
• Programmable CAS latency 3, 4, 5 and 6 supported
• Programmable additive latency 0, 1, 2, 3, 4 and 5 supported
• Programmable burst length 4 / 8 with both nibble sequential and interleave mode
• Internal four bank operations with single pulsed RAS
• Auto refresh and self refresh supported
• tRAS lockout supported
• 8K refresh cycles /64ms
• JEDEC standard 84ball FBGA(x16) : 8mm x 13mm
• Full strength driver option controlled by EMRS
• On Die Termination supported
• Off Chip Driver Impedance Adjustment supported
• Self-Refresh High Temperature Entry
• Partial Array Self Refresh support
Operating Frequency
Ordering Information
Part No.
Organization
Package
Speed Bin
tCK(ns)
CL
tRCD
tRP
Unit
H5PS5162FFR**-XX*
32Mx16
Lead & Halogen free**
E3
5
3
3
3
Clk
C4
3.75
4
4
4
Clk
Y5
3
5
5
5
Clk
S5
2.5
5
5
5
Clk
S6
2.5
6
6
6
Clk
Note:
1. -XX* is the speed bin, refer to the Operation Frequency table for
complete Part No.
2. Hynix Halogen-free products are compliant to RoHS.
Hynix supports Lead & Halogen free parts for each speed grade
with same specification, except Lead free materials.
We'll add "R" character after "F" for Lead & Halogen free products.
3. H5PS5162FFR-XXC is commertial temp. and normal power
4. H5PS5162FFR-XXL is commertial temp. and low power
5. H5PS5162FFR-XXI is Industrial temp. and normal power
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1.2 Pin Configuration & Address Table
32Mx16 DDR2 PIN CONFIGURATION(Top view: see balls through package)
7
8
9
A
VSSQ
UDQS
VDDQ
UDM
B
UDQS
VSSQ
DQ15
DQ9
VDDQ
C
VDDQ
DQ8
VDDQ
DQ12
VSSQ
DQ11
D
DQ10
VSSQ
DQ13
VDD
NC
VSS
E
VSSQ
LDQS
VDDQ
DQ6
VSSQ
LDM
F
LDQS
VSSQ
DQ7
VDDQ
DQ1
VDDQ
G
VDDQ
DQ0
VDDQ
DQ4
VSSQ
DQ3
H
DQ2
VSSQ
DQ5
VDDL
VREF
VSS
J
VSSDL
CK
VDD
CKE
WE
K
RAS
CK
ODT
BA0
BA1
L
CAS
CS
A10
A1
M
A2
A0
A3
A5
N
A6
A4
A7
A9
P
A11
A8
A12
NC
R
NC
NC
1
2
3
VDD
NC
VSS
DQ14
VSSQ
VDDQ
NC
VSS
VDD
VDD
VSS
ROW AND COLUMN ADDRESS TABLE
ITEMS
32Mx16
# of Bank
4
Bank Address
BA0, BA1
Auto Precharge Flag
A10/AP
Row Address
A0 - A12
Column Address
A0-A9
Page size
2 KB
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H5PS5162FFR series
1.3 PIN DESCRIPTION
PIN
TYPE
DESCRIPTION
CK, CK
Input
Clock: CK and CK are differential clock inputs. All address and control input signals are
sampled on the crossing of the positive edge of CK and negative edge of CK. Output
(read) data is referenced to the crossings of CK and CK (both directions of crossing).
CKE
Input
Clock Enable: CKE HIGH activates, and CKE LOW deactivates internal clock signals, and
device input buffers and output drivers. Taking CKE LOW provides PRECHARGE POWER
DOWN and SELF REFRESH operation (all banks idle), or ACTIVE POWER DOWN (row
ACTIVE in any bank). CKE is synchronous for POWER DOWN entry and exit, and for
SELF REFRESH entry. CKE is asynchronous for SELF REFRESH exit. After VREF has
become stable during the power on and initialization sequence, it must be maintained
for proper operation of the CKE receiver. For proper self-refresh entry and exit, VREF
must be maintained to this input. CKE must be maintained high throughout READ and
WRITE accesses. Input buffers, excluding CK, CK and CKE are disabled during POWER
DOWN. Input buffers, excluding CKE are disabled during SELF REFRESH.
CS
Input
Chip Select : All commands are masked when CS is registered HIGH. CS provides for
external bank selection on systems with multiple banks. CS is considered part of the
command code.
ODT
Input
On Die Termination Control : ODT(registered HIGH) enables on die termination resistance internal to the DDR2 SDRAM.
For x16 configuration ODT is applied to each DQ, UDQS/UDQS.LDQS/LDQS, UDM and
LDM signal. The ODT pin will be ignored if the Extended Mode Register(EMRS(1)) is
programmed to disable ODT.
RAS, CAS, WE
Input
Command Inputs: RAS, CAS and WE (along with CS) define the command being
entered.
DM
(LDM, UDM)
Input
Input Data Mask : DM is an input mask signal for write data. Input Data is masked
when DM is sampled High coincident with that input data during a WRITE access. DM
is sampled on both edges of DQS, Although DM pins are input only, the DM loading
matches the DQ and DQS loading.
BA0 - BA1
Input
Bank Address Inputs: BA0 - BA1 define to which bank an ACTIVE, Read, Write or PRECHARGE command is being applied. Bank address also determines if the mode register
or extended mode register is to be accessed during a MRS or EMRS cycle.
A0 -A12
Input
Address Inputs: Provide the row address for ACTIVE commands, and the column
address and AUTO PRECHARGE bit for READ/WRITE commands to select one location
out of the memory array in the respective bank. A10 is sampled during a precharge
command to determine whether the PRECHARGE applies to one bank (A10 LOW) or all
banks (A10 HIGH). If only one bank is to be precharged, the bank is selected by BA0BA1. The address inputs also provide the op code during MODE REGISTER SET commands.
DQ
Input/
Output
Rev. 1.0 / July. 2008
Data input / output : Bi-directional data bus
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H5PS5162FFR series
-ContinuePIN
TYPE
DESCRIPTION
Data Strobe : Output with read data, input with write data. Edge aligned with read data,
centered in write data. For the x16, LDQS correspond to the data on DQ0~DQ7; UDQS
corresponds to the data on DQ8~DQ15. The data strobes DQS, LDQS and UDQS may be
used in single ended mode or paired with optional complementary signals DQS, LDQS
and UDQS to provide differential pair signaling to the system during both reads and
wirtes. An EMRS(1) control bit enables or disables all complementary data strobe signals.
UDQS, UDQS
LDQS, LDQS
Input/
Output
In this data sheet, "differential DQS signals" refers to any of the following with A10 = 0
of EMRS(1)
x16 LDQS/LDQS and UDQS/UDQS
"single-ended DQS signals" refers to any of the following with A10 = 1
of EMRS(1)
x16 LDQS and UDQS
NC
No Connect : No internal electrical connection is present.
VDDQ
Supply
DQ Power Supply: 1.8V +/- 0.1V
VSSQ
Supply
DQ Ground
VDDL
Supply
DLL Power Supply : 1.8V +/- 0.1V
VSSDL
Supply
DLL Ground
VDD
Supply
Power Supply : 1.8V +/- 0.1V
VSS
Supply
Ground
VREF
Supply
Reference voltage for inputs for SSTL interface.
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2. Maximum DC Ratings
2.1 Absolute Maximum DC Ratings
Symbol
Rating
Units
Notes
Voltage on VDD pin relative to Vss
- 1.0 V ~ 2.3 V
V
1
VDDQ
Voltage on VDDQ pin relative to Vss
- 0.5 V ~ 2.3 V
V
1
VDDL
Voltage on VDDL pin relative to Vss
- 0.5 V ~ 2.3 V
V
1
Voltage on any pin relative to Vss
- 0.5 V ~ 2.3 V
V
1
-55 to +100
℃
1, 2
-2 uA ~ 2 uA
uA
-5 uA ~ 5 uA
uA
VDD
VIN, VOUT
TSTG
II
IOZ
Parameter
Storage Temperature
Input leakage current; any input 0V VIN VDD;
all other balls not under test = 0V)
Output leakage current; 0V VOUT VDDQ; DQ
and ODT disabled
1. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
2. Storage Temperature is the case surface temperature on the center/top side of the DRAM. For the measurement
conditions. Please refer to JESD51-2 standard.
2.2 Operating Temperature Condition
Symbol
tOPER
Parameter
Rating
Units
Notes
Normal Temp
0 to 95
°C
1,2
Industrial Temp
-40 to 85
°C
1,2
Operating Temperature
1. Operating Temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JESD51-2 standard.
2. At tOPER 85~95℃, Double refresh rate(tREFI: 3.9us) is required, and to enter the self refresh mode at this temperature range it must be required an EMRS command to change itself refresh rate.
Rev. 1.0 / July. 2008
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H5PS5162FFR series
3. AC & DC Operating Conditons
3.1 DC Operating Conditions
3.1.1 Recommended DC Operating Conditions (SSTL_1.8)
Symbol
Rating
Parameter
Min.
Typ.
Max.
Units
Notes
VDD
Supply Voltage
1.7
1.8
1.9
V
1
VDDL
Supply Voltage for DLL
1.7
1.8
1.9
V
1,2
VDDQ
Supply Voltage for Output
VREF
VTT
1.7
1.8
1.9
V
1,2
Input Reference Voltage
0.49*VDDQ
0.50*VDDQ
0.51*VDDQ
mV
3,4
Termination Voltage
VREF-0.04
VREF
VREF+0.04
V
5
1. Min. Typ. and Max. values increase by 100mV for C3(DDR2-533 3-3-3) speed option.
2. VDDQ tracks with VDD,VDDL tracks with VDD. AC parameters are measured with VDD,VDDQ and VDD.
3. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically the
value of VREF is expected to be about 0.5 x VDDQ of the transmitting device and VREF is expected to track variations in VDDQ
4. Peak to peak ac noise on VREF may not exceed +/-2% VREF (dc).
5. VTT of transmitting device must track VREF of receiving device.
3.1.2 ODT DC electrical characteristics
PARAMETER/CONDITION
SYMBOL
MIN
NOM
MAX
UNITS NOTES
Rtt effective impedance value for EMRS(A6,A2)=0,1; 75 ohm
Rtt1(eff)
60
75
90
ohm
1
Rtt effective impedance value for EMRS(A6,A2)=1,0; 150 ohm
Rtt2(eff)
120
150
180
ohm
1
Rtt effective impedance value for EMRS(A6,A2)=1,1; 50 ohm
Rtt3(eff)
40
50
60
ohm
1
Deviation of VM with respect to VDDQ/2
delta VM
-6
+6
%
1
Note:
1. Test condition for Rtt measurements
Measurement Definition for Rtt(eff): Apply VIH (ac) and VIL (ac) to test pin separately, then measure current I(VIH
(ac)) and I(VIL(ac)) respectively. VIH (ac), VIL (ac), and VDDQ values defined in SSTL_18
Rtt(eff) =
VIH (ac) - VIL (ac)
I(VIH (ac)) - I(VIL (ac))
Measurement Definition for VM : Measurement Voltage at test pin(mid point) with no load.
2 x Vm
delta VM =
Rev. 1.0 / July. 2008
VDDQ
- 1 x 100%
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H5PS5162FFR series
3.2 DC & AC Logic Input Levels
3.2.1 Input DC Logic Level
Symbol
Parameter
Min.
Max.
Units
VIH(dc)
dc input logic high
VREF + 0.125
VDDQ + 0.3
V
VIL(dc)
dc input logic low
- 0.3
VREF - 0.125
V
Notes
3.2.2 Input AC Logic Level
Symbol
Parameter
VIH (ac)
VIL (ac)
DDR2 400,533
DDR2 667,800
Units
Min.
Max.
Min.
Max.
ac input logic high
VREF +
0.250
-
VREF +
0.200
-
V
ac input logic low
-
VREF - 0.250
-
VREF - 0.200
V
Notes
3.2.3 AC Input Test Conditions
Symbol
Condition
Value
Units
Notes
VREF
Input reference voltage
0.5 * VDDQ
V
1
VSWING(MAX)
Input signal maximum peak to peak swing
1.0
V
1
SLEW
Input signal minimum slew rate
1.0
V/ns
2, 3
Note:
1. Input waveform timing is referenced to the input signal crossing through the VREF level applied to the device
under test.
2. The input signal minimum slew rate is to be maintained over the range from VREF to VIH(ac) min for rising
edges and the range from VREF to VIL(ac) max for falling edges as shown in the below figure.
3. AC timings are referenced with input waveforms switching from VIL(ac) to VIH(ac) on the positive transitions
and VIH(ac) to VIL(ac) on the negative transitions.
VDDQ
VIH(ac) min
VIH(dc) min
VREF
VSWING(MAX)
VIL(dc) max
delta TF
Falling Slew = VREF - VIL(ac) max
delta TF
delta TR
VIL(ac) max
VSS
Rising Slew = VIH(ac) min - VREF
delta TR
< Figure : AC Input Test Signal Waveform>
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3.2.4 Differential Input AC logic Level
Symbol
Parameter
VID (ac)
ac differential input voltage
VIX (ac)
ac differential cross point voltage
Min.
Max.
Units
Notes
0.5
VDDQ + 0.6
V
1
0.5 * VDDQ - 0.175
0.5 * VDDQ + 0.175
V
2
1. VIN(DC) specifies the allowable DC execution of each input of differential pair such as CK, CK, DQS, DQS,
LDQS, LDQS, UDQS and UDQS.
2. VID(DC) specifies the input differential voltage |VTR -VCP | required for switching, where VTR is the true input
(such as CK, DQS, LDQS or UDQS) level and VCP is the complementary input (such as CK, DQS, LDQS
or UDQS) level. The minimum value is equal to VIH(DC) - V IL(DC).
VDDQ
VTR
Crossing point
VID
VIX or VOX
VCP
VSSQ
< Differential signal levels >
Note:
1. VID(AC) specifies the input differential voltage |VTR -VCP | required for switching, where VTR is the true input
signal (such as CK, DQS, LDQS or UDQS) and VCP is the complementary input signal (such as CK, DQS, LDQS
or UDQS). The minimum value is equal to V IH(AC) - V IL(AC).
2. The typical value of VIX(AC) is expected to be about 0.5 * VDDQ of the transmitting device and VIX(AC) is
expected to track variations in VDDQ . VIX(AC) indicates the voltage at which differential input signals must
cross.
3.2.5 Differential AC output parameters
Symbol
Parameter
Min.
Max.
Units
Notes
VOX (ac)
ac differential cross point voltage
0.5 * VDDQ - 0.125
0.5 * VDDQ + 0.125
V
1
Note:
1. The typical value of VOX(AC) is expected to be about 0.5 * V DDQ of the transmitting device and VOX(AC) is
expected to track variations in VDDQ . VOX(AC) indicates the voltage at whitch differential output signals
must cross.
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3.3 Output Buffer Characteristics
3.3.1 Output AC Test Conditions
Symbol
VOTR
Parameter
Output Timing Measurement Reference Level
SSTL_18 Class II
Units
Notes
0.5 * VDDQ
V
1
SSTl_18
Units
Notes
- 13.4
mA
1, 3, 4
13.4
mA
2, 3, 4
1. The VDDQ of the device under test is referenced.
3.3.2 Output DC Current Drive
Symbol
1.
Parameter
IOH(dc)
Output Minimum Source DC Current
IOL(dc)
Output Minimum Sink DC Current
VDDQ = 1.7 V; VOUT = 1420 mV. (VOUT - VDDQ)/IOH must be less than 21 ohm for values of VOUT between VDDQ
and VDDQ - 280 mV.
2.
VDDQ = 1.7 V; VOUT = 280 mV. VOUT/IOL must be less than 21 ohm for values of VOUT between 0 V and 280
mV.
3.
The dc value of VREF applied to the receiving device is set to VTT
4.
The values of IOH(dc) and IOL(dc) are based on the conditions given in Notes 1 and 2. They are used to test
device drive current capability to ensure VIH min plus a noise margin and VIL max minus a noise margin are
delivered to an SSTL_18 receiver. The actual current values are derived by shifting the desired driver operating
point (see Section 3.3) along a 21 ohm load line to define a convenient driver current for measurement.
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3.3.3 OCD default characteristics
Description
Parameter
Min
Nom
Max
See full strength default
driver characteristics
Output impedance
Unit
Notes
ohms
1
Output impedance step size for OCD calibration
0
1.5
ohms
6
Pull-up and pull-down mismatch
0
4
ohms
1,2,3
5
V/ns
1,4,5,6,7,8
Output slew rate
Sout
1.5
-
Note
1. Absolute Specifications ( Toper; VDD = +1.8V ±0.1V, VDDQ = +1.8V ±0.1V). DRAM I/O specifications for
timing,voltage, and slew rate are no longer applicable if OCD is changed from default settings. Please refer to the
Device Operation & Timing Diagram of DDR2 for the Full Strength Default Driver Characteristics.
2. Impedance measurement condition for output source dc current: VDDQ=1.7V; VOUT=1420mV; (VOUT-VDDQ)/Ioh
must be less than 23.4 ohms for values of VOUT between VDDQ and VDDQ-280mV. Impedance measurement
condition for output sink dc current: VDDQ = 1.7V; VOUT = 280mV; VOUT/Iol must be less than 23.4 ohms for
values of VOUT between 0V and 280mV.
3. Mismatch is absolute value between pull-up and pull-dn, both are measured at same temperature and voltage.
4. Slew rate measured from vil(ac) to vih(ac).
5. The absolute value of the slew rate as measured from DC to DC is equal to or greater than the slew rate as
measured from AC to AC. This is guaranteed by design and characterization.
6. This represents the step size when the OCD is near 18 ohms at nominal conditions across all process corners/
variations and represents only the DRAM uncertainty. A 0 ohm value(no calibration) can only be achieved if the
OCD impedance is 18 ohms +/- 0.75 ohms under nominal conditions.
Output Slew rate load:
VTT
25 ohms
Output
Reference
point speed bins.
(Vout) to 400 , 533 and 667 MT/s
7. DRAM output slew rate specification applies
8. Timing skew due to DRAM output slew rate mis-match between DQS / DQS and associated DQs is included in
tDQSQ and tQHS specification.
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3.4 IDD Specifications & Test Conditions
IDD Specifications(max)
DDR2 800
DDR2 667
DDR2 533
DDR2 400
Symbol
Units
x16
x16
x16
x16
IDD0
120
110
100
100
mA
IDD1
130
120
110
110
mA
IDD2P
8
8
8
8
mA
IDD2Q
40
40
30
30
mA
IDD2N
50
40
40
30
mA
F
35
30
30
30
mA
S
12
12
12
12
mA
IDD3N
60
50
50
40
mA
IDD4W
240
200
170
130
mA
IDD4R
200
170
150
110
mA
IDD5B
165
160
150
150
mA
Normal
Power
8
8
8
8
mA
Low Power*
4
4
4
4
mA
340
320
320
320
mA
IDD3P
IDD6
IDD7
Note:
1. Low power parts have an extra suffix "L" in part number ; ex) H5PS5162FFR-xxL series
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IDD Test Conditions
(IDD values are for full operating range of Voltage and Temperature, Notes 1-5)
Symbol
Conditions
Units
IDD0
Operating one bank active-precharge current; tCK = tCK(IDD), tRC = tRC(IDD), tRAS =
tRAS min(IDD) ; CKE is HIGH, CS is HIGH between valid commands;Address bus inputs are
SWITCHING;Data bus inputs are SWITCHING
mA
IDD1
Operating one bank active-read-precharge current ; IOUT = 0mA;BL = 4, CL = CL(IDD), AL
= 0; tCK = tCK(IDD), tRC = tRC (IDD), tRAS = tRASmin(IDD), tRCD = tRCD(IDD) ; CKE is HIGH,
CS is HIGH between valid commands ; Address bus inputs are SWITCHING ; Data pattern is same
as IDD4W
mA
IDD2P
Precharge power-down current ; All banks idle ; tCK = tCK(IDD) ; CKE is LOW ; Other control
and address bus inputs are STABLE; Data bus inputs are FLOATING
mA
IDD2Q
Precharge quiet standby current ; All banks idle; tCK = tCK(IDD);CKE is HIGH, CS is HIGH;
Other control and address bus inputs are STABLE; Data bus inputs are FLOATING
mA
IDD2N
Precharge standby current; All banks idle; tCK = tCK(IDD); CKE is HIGH, CS is HIGH; Other
control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING
mA
IDD3P
Active power-down current; All banks open; tCK = tCK(IDD); Fast PDN Exit MRS(12) = 0
CKE is LOW; Other control and address bus inputs are STABLE;
Data bus inputs are FLOATING
Slow PDN Exit MRS(12) = 1
mA
mA
IDD3N
Active standby current; All banks open; tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP
=tRP(IDD); CKE is HIGH, CS is HIGH between valid commands; Other control and address bus
inputs are SWITCHING; Data bus inputs are SWITCHING
mA
IDD4W
Operating burst write current; All banks open, Continuous burst writes; BL = 4, CL = CL(IDD),
AL = 0; tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP = tRP(IDD); CKE is HIGH, CS is HIGH
between valid commands; Address bus inputs are SWITCHING; Data bus inputs are SWITCHING
mA
IDD4R
Operating burst read current; All banks open, Continuous burst reads, IOUT = 0mA; BL = 4,
CL = CL(IDD), AL = 0; tCK = tCK(IDD), tRAS = tRASmax(IDD), tRP = tRP(IDD); CKE is HIGH, CS
is HIGH between valid commands; Address bus inputs are SWITCHING;; Data pattern is same as
IDD4W
mA
IDD5B
Burst refresh current; tCK = tCK(IDD); Refresh command at every tRFC(IDD) interval; CKE is
HIGH, CS is HIGH between valid commands; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING
mA
IDD6
Self refresh current; CK and CK at 0V; CKE £ 0.2V; Other control and address bus inputs are
FLOATING; Data bus inputs are FLOATING
mA
Rev. 1.0 / July. 2008
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H5PS5162FFR series
IDD7
Operating bank interleave read current; All bank interleaving reads, IOUT = 0mA; BL = 4, CL
= CL(IDD), AL = tRCD(IDD)-1*tCK(IDD); tCK = tCK(IDD), tRC = tRC(IDD), tRRD = tRRD(IDD),
tRCD = 1*tCK(IDD); CKE is HIGH, CS is HIGH between valid commands; Address bus inputs are
STABLE during DESELECTs; Data pattern is same as IDD4R; - Refer to the following page for
detailed timing conditions
mA
Note:
1. VDDQ = 1.8 +/- 0.1V ; VDD = 1.8 +/- 0.1V
(exclusively VDDQ = 1.9 +/- 0.1V ; VDD = 1.9 +/- 0.1V for C3 speed grade)
2. IDD specifications are tested after the device is properly initialized
3. Input slew rate is specified by AC Parametric Test Condition
4. IDD parameters are specified with ODT disabled.
5. Data bus consists of DQ, DM, DQS, DQS, RDQS, RDQS, LDQS, LDQS, UDQS, and UDQS. IDD values must be met
with all combinations of EMRS bits 10 and 11.
6. Definitions for IDD
LOW is defined as Vin £ VILAC(max)
HIGH is defined as Vin Š VIHAC(min)
STABLE is defined as inputs stable at a HIGH or LOW level
FLOATING is defined as inputs at VREF = VDDQ/2
SWITCHING is defined as: inputs changing between HIGH and LOW every other clock cycle (once per two clocks)
for address and control signals, and inputs changing between HIGH and LOW every other data transfer (once per
clock) for DQ signals not including masks or strobes.
Rev. 1.0 / July. 2008
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Release
H5PS5162FFR series
For purposes of IDD testing, the following parameters are to be utilized
Speed Bin
(CL-tRCD-tRP)
DDR2-800
DDR2-667
DDR2-533
DDR2-400
Units
5-5-5
6-6-6
5-5-5
4-4-4
3-3-3
CL(IDD)
5
6
5
4
3
tCK
tRCD(IDD)
12.5
15
15
15
15
ns
tRC(IDD)
57.25
60
60
60
55
ns
tRRD(IDD)
10
10
10
10
10
ns
tCK(IDD)
2.5
2.5
3
3.75
5
ns
tRASmin(IDD)
45
45
45
45
40
ns
tRASmax(IDD)
70000
70000
70000
70000
70000
ns
tRP(IDD)
12.5
15
15
15
15
ns
tRFC(IDD)-512Mb
105
105
105
105
105
ns
Detailed IDD7
The detailed timings are shown below for IDD7. Changes will be required if timing parameter changes are made to the
specification.
Legend: A = Active; RA = Read with Autoprecharge; D = Deselect
IDD7: Operating Current: All Bank Interleave Read operation
All banks are being interleaved at minimum tRC(IDD) without violating tRRD(IDD) using a burst length of 4. Control
and address bus inputs are STABLE during DESELECTs. IOUT = 0mA
Timing Patterns for 4 bank devices
-DDR2-400 3/3/3: A0 RA0 A1 RA1 A2 RA2 A3 RA3 D D D (11 clocks)
-DDR2-533 3/3/3: A0 RA0 D A1 RA1 D A2 RA2 D A3 RA3 D D D D (15 clocks)
-DDR2-533 4/4/4: A0 RA0 D A1 RA1 D A2 RA2 D A3 RA3 D D D D D (16 clocks)
-DDR2-667 4/4/4: A0 RA0 D D A1 RA1 D D A2 RA2 D D A3 RA3 D D D D D (19 clocks)
-DDR2-667 5/5/5: A0 RA0 D D A1 RA1 D D A2 RA2 D D A3 RA3 D D D D D D (20 clocks)
-DDR2-800 5/5/5: A0 RA0 D D A1 RA1 D D A2 RA2 D D A3 RA3 D D D D D D D D D (23 clocks)
-DDR2-800 6/6/6: A0 RA0 D D A1 RA1 D D A2 RA2 D D A3 RA3 D D D D D D D D D D (24 clocks)
Rev. 1.0 / July. 2008
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3.5. Input/Output Capacitance
DDR2- 400
DDR2- 533
DDR2 667
DDR2 800
Min
Max
Min
Max
Min
Max
CCK
1.0
2.0
1.0
2.0
1.0
2.0
pF
CDCK
x
0.25
x
0.25
x
0.25
pF
CI
1.0
2.0
1.0
2.0
1.0
1.75
pF
Input capacitance delta, all other input-only pins
CDI
x
0.25
x
0.25
x
0.25
pF
Input/output capacitance, DQ, DM, DQS, DQS
CIO
2.5
4.0
2.5
3.5
2.5
3.5
pF
CDIO
x
0.5
x
0.5
x
0.5
pF
1Gb
2Gb
4Gb
Units
Parameter
Symbol
Input capacitance, CK and CK
Input capacitance delta, CK and CK
Input capacitance, all other input-only pins
Input/output capacitance delta, DQ, DM, DQS, DQS
Units
4. Electrical Characteristics & AC Timing Specification
( 0 ℃ ≤ TCASE ≤ 95℃; VDDQ = 1.8 V +/- 0.1V; VDD = 1.8V +/- 0.1V)
Refresh Parameters by Device Density
Parameter
Symbol
Refresh to Active
/Refresh command time
256Mb 512Mb
tRFC
Average periodic refresh interval tREFI
75
105
127.5
195
327.5
ns
0 ℃≤ TCASE ≤ 85℃
7.8
7.8
7.8
7.8
7.8
us
85℃ < TCASE ≤ 95℃
3.9
3.9
3.9
3.9
3.9
us
DDR2 SDRAM speed bins and tRCD, tRP and tRC for corresponding bin
Speed
DDR2-800D
DDR2-800E
DDR2-667D
DDR2-533C
DDR2-400B
Bin(CL-tRCD-tRP)
5-5-5
6-6-6
5-5-5
4-4-4
3-3-3
Parameter
min
min
min
min
min
CAS Latency
5
6
5
4
5
tCK
tRCD
12.5
15
15
15
15
ns
tRP
12.5
15
15
15
15
ns
tRAS
45
45
45
45
40
ns
tRC
57.25
60
60
60
55
ns
Rev. 1.0 / July. 2008
Units
18
Release
H5PS5162FFR series
Timing Parameters by Speed Grade
(Refer to notes for information related to this table at the following pages of this table)
Parameter
Symbol
DDR2-400
DDR2-533
min
max
min
max
-600
+600
-500
+500
Unit
Note
DQ output access time from CK/CK
tAC
DQS output access time from CK/CK
tDQSCK
-500
+500
-450
+450
ps
CK high-level width
tCH
0.45
0.55
0.45
0.55
tCK
CK low-level width
tCL
0.45
0.55
0.45
0.55
tCK
CK half period
tHP
min
(tCL,tCH)
-
min
(tCL,tCH)
-
ps
Clock cycle time, CL=x
tCK
5000
8000
3750
8000
ps
15
DQ and DM input setup time
(differential strobe)
tDS
(base)
150
-
100
-
ps
6,7,8,
20
DQ and DM input hold time
(differential strobe)
tDH
(base)
275
-
225
-
ps
6,7,8,
21
DQ and DM input setup time
(single ended strobe)
tDS
25
-
-25
-
ps
6,7,8,
20
DQ and DM input hold time
(single ended strobe)
tDH
25
-
-25
-
ps
6,7,8,
21
Control & Address input pulse width for
each input
tIPW
0.6
-
0.6
-
tCK
DQ and DM input pulse width for each
input
tDIPW
0.35
-
0.35
-
tCK
-
tAC max
-
tAC max
ps
18
Data-out high-impedance time from CK/CK tHZ
ps
11,12
DQS low-impedance time from CK/CK
tLZ(DQS)
tAC min
tAC max
tAC min
tAC max
ps
18
DQ low-impedance time from CK/CK
tLZ(DQ)
2*tAC min
tAC max
2*tAC min
tAC max
ps
18
DQS-DQ skew for DQS and associated DQ
signals
tDQSQ
-
350
-
300
ps
13
DQ hold skew factor
tQHS
-
450
-
400
ps
12
DQ/DQS output hold time from DQS
tQH
tHP - tQHS
-
tHP - tQHS
-
ps
First DQS latching transition to associated
clock edge
tDQSS
-0.25
+ 0.25
-0.25
+ 0.25
tCK
DQS input high pulse width
tDQSH
0.35
-
0.35
-
tCK
DQS input low pulse width
tDQSL
0.35
-
0.35;;
-
tCK
DQS falling edge to CK setup time
tDSS
0.2
-
0.2
-
tCK
DQS falling edge hold time from CK
tDSH
0.2
-
0.2
-
tCK
Mode register set command cycle time
tMRD
2
-
2
-
tCK
Write postamble
tWPST
0.4
0.6
0.4
0.6
tCK
Write preamble
tWPRE
0.35
-
0.35
-
tCK
Address and control input setup time
tIS(base)
350
-
250
-
ps
5,7,9,
23
Address and control input hold time
tIH(base)
475
-
375
-
ps
5,7,9,
23
Rev. 1.0 / July. 2008
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H5PS5162FFR series
-Continue(Refer to notes for information related to this table at the following pages of this table)
Symbol
Parameter
DDR2-400
DDR2-533
min
max
min
max
Unit
Note
Read preamble
tRPRE
0.9
1.1
0.9
1.1
tCK
Read postamble
tRPST
0.4
0.6
0.4
0.6
tCK
Active to active command period for 1KB
page size products
tRRD
7.5
-
7.5
-
ns
4
Active to active command period for 2KB
page size products
tRRD
10
-
10
-
ns
4
Four Active Window for 1KB page size
products
tFAW
37.5
-
37.5
-
ns
Four Active Window for 2KB page size
products
tFAW
50
-
50
-
ns
CAS to CAS command delay
tCCD
2
Write recovery time
tWR
15
-
15
-
ns
WR+tRP
-
WR+tRP
-
tCK
14
10
-
7.5
-
ns
24
ns
3
Auto precharge write recovery + precharge
tDAL
time
Internal write to read command delay
tWTR
Internal read to precharge command delay tRTP
2
7.5
tCK
7.5
Exit self refresh to a non-read command
tXSNR
tRFC + 10
Exit self refresh to a read command
tXSRD
200
-
200
-
tCK
Exit precharge power down to any nonread command
tXP
2
-
2
-
tCK
Exit active power down to read command
tXARD
2
2
tCK
1
tXARDS
6 - AL
6 - AL
tCK
1, 2
t
3
3
tCK
27
tAOND
2
Exit active power down to read command
(Slow exit, Lower power)
CKE minimum pulse width
(high and low pulse width)
ODT turn-on delay
CKE
ODT turn-on
tAON
ODT turn-on(Power-Down mode)
tAONPD
ODT turn-off delay
t
ODT turn-off
t
ODT turn-off (Power-Down mode)
t
ODT to power down entry latency
ODT power down exit latency
OCD drive mode output delay
Minimum time clocks remains ON after CKE
asynchronously drops LOW
tANPD
tAXPD
tOIT
Rev. 1.0 / July. 2008
AOFD
AOF
AOFPD
tDelay
tRFC + 10
ns
2
2
2
tAC(max)
tAC(max)
tAC(min)
tAC(min)
+1
+1
2tCK+
2tCK+
tAC(min)+
tAC(min)+
tAC(max)
tAC(max)
2
2
+1
+1
2.5
2.5
2.5
2.5
tAC(max)
tAC(max)
tAC(min)
tAC(min)
+ 0.6
+ 0.6
2.5tCK+
2.5tCK+
tAC(min)+
tAC(min)+
tAC(max)
tAC(max)
2
2
+1
+1
3
3
8
8
0
12
0
12
tIS+tCK+t
tIS+tCK+t
IH
IH
tCK
ns
16
ns
tCK
ns
17
ns
tCK
tCK
ns
ns
15
20
Release
H5PS5162FFR series
Parameter
Symbol
DDR2-667
DDR2-800
min
max
min
max
Unit
DQ output access time from CK/CK
tAC
-450
+450
-400
+400
DQS output access time from CK/CK
tDQSCK
-400
+400
-350
+350
ps
CK high-level width
tCH
0.45
0.55
0.45
0.55
tCK
CK low-level width
tCL
0.45
0.55
0.45
0.55
tCK
CK half period
tHP
min(tCL,
tCH)
-
min(tCL,
tCH)
-
ps
Clock cycle time, CL=x
tCK
3000
8000
2500
Note
ps
11,12
ps
15
DQ and DM input setup time
tDS(base)
100
-
50
-
ps
6,7,8,2
0
DQ and DM input hold time
tDH
(base)
175
-
125
-
ps
6,7,8,2
1
Control & Address input pulse width for
each input
tIPW
0.6
-
0.6
-
tCK
DQ and DM input pulse width for each
input
tDIPW
0.35
-
0.35
-
tCK
-
tAC max
-
tAC max
ps
18
Data-out high-impedance time from CK/
tHZ
CK
DQS low-impedance time from CK/CK
tLZ(DQS)
tAC min
tAC max
tAC min
tAC max
ps
18
DQ low-impedance time from CK/CK
tLZ(DQ)
2*tAC min
tAC max
2*tAC min
tAC max
ps
18
DQS-DQ skew for DQS and associated
DQ signals
tDQSQ
-
240
-
200
ps
13
DQ hold skew factor
tQHS
-
340
-
300
ps
12
DQ/DQS output hold time from DQS
tQH
tHP - tQHS
-
tHP - tQHS
-
ps
First DQS latching transition to
associated clock edge
tDQSS
- 0.25
+ 0.25
- 0.25
+ 0.25
tCK
DQS input high pulse width
tDQSH
0.35
-
0.35
-
tCK
DQS input low pulse width
tDQSL
0.35
-
0.35
-
tCK
DQS falling edge to CK setup time
tDSS
0.2
-
0.2
-
tCK
DQS falling edge hold time from CK
tDSH
0.2
-
0.2
-
tCK
Mode register set command cycle time
tMRD
2
-
2
-
tCK
Write postamble
tWPST
0.4
0.6
0.4
0.6
tCK
Write preamble
tWPRE
0.35
-
0.35
-
tCK
Address and control input setup time
tIS(base)
200
-
175
-
ps
5,7,9,2
2
Address and control input hold time
tIH(base)
275
-
250
-
ps
5,7,9,2
3
Read preamble
tRPRE
0.9
1.1
0.9
1.1
tCK
19
Read postamble
tRPST
0.4
0.6
0.4
0.6
tCK
19
Activate to precharge command
10
tRAS
45
70000
45
70000
ns
3
Active to active command period for 1KB
tRRD
page size products
7.5
-
7.5
-
ns
4
Active to active command period for 2KB
tRRD
page size products
10
-
10
-
ns
4
Rev. 1.0 / July. 2008
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Release
H5PS5162FFR series
-ContinueParameter
Symbol
DDR2-667
DDR2-800
min
max
tFAW
37.5
-
Four Active Window for 2KB page size
products
tFAW
50
CAS to CAS command delay
tCCD
2
Write recovery time
tWR
Auto precharge write recovery +
precharge time
Unit
min
max
37.5
-
-
50
-
15
-
15
-
ns
tDAL
WR+tRP
-
WR+tRP
-
tCK
Internal write to read command delay
tWTR
7.5
-
7.5
-
ns
Internal read to precharge command
delay
tRTP
7.5
7.5
ns
tRFC + 10
tRFC +
10
ns
Four Active Window for 1KB page size
products
Exit self refresh to a non-read command tXSNR
Exit self refresh to a read command
tXSRD
Exit precharge power down to any nonread command
tXP
Exit active power down to read command tXARD
Exit active power down to read command
tXARDS
(Slow exit, Lower power)
CKE minimum pulse width
t
CKE
(high and low pulse width)
tAOND
ODT turn-on delay
ODT turn-on
t
ODT turn-on(Power-Down mode)
tAONPD
ODT turn-off delay
tAOFD
ODT turn-off
tAOF
ODT turn-off (Power-Down mode)
t
ODT to power down entry latency
ODT power down exit latency
OCD drive mode output delay
Minimum time clocks remains ON after
CKE asynchronously drops LOW
tANPD
tAXPD
tOIT
Rev. 1.0 / July. 2008
AON
AOFPD
tDelay
2
Note
ns
ns
tCK
200
-
200
-
tCK
2
-
2
-
tCK
14
3
2
2
tCK
1
7 - AL
8 - AL
tCK
1, 2
3
3
tCK
2
2
2
tCK
tAC(max)
ns
+0.7
2tCK+
ns
tAC(max)+1
2.5
tCK
tAC(max)
ns
+0.6
2.5tCK+
ns
tAC(max)+1
tCK
tCK
12
ns
2
tAC(max)
tAC(min)
+0.7
2tCK+
tAC(min)+2
tAC(max)+1
2.5
2.5
tAC(max)+
tAC(min)
0.6
tAC(min)
2.5tCK+
+2
tAC(max)+1
3
8
0
12
tIS+tCK+tI
H
tAC(min)
tAC(min)
+2
2.5
tAC(min)
tAC(min)
+2
3
8
0
tIS+tCK
+tIH
ns
6,16
17
15
22
Release
H5PS5162FFR series
General notes, which may apply for all AC parameters
1. Slew Rate Measurement Levels
a. Output slew rate for falling and rising edges is measured between VTT - 250 mV and VTT + 250 mV for single ended
signals.
For differential signals (e.g. DQS - DQS) output slew rate is measured between DQS - DQS = -500 mV and DQS DQS = +500mV. Output slew rate is guaranteed by design, but is not necessarily tested on each device.
b. Input slew rate for single ended signals is measured from dc-level to ac-level: from VIL(dc) to VIH(ac) for rising
edges and from VIH(dc) and VIL(ac) for falling edges.
For differential signals (e.g. CK - CK) slew rate for rising edges is measured from CK - CK = -250 mV to CK - CK =
+500 mV(250mV to -500 mV for falling egdes).
c. VID is the magnitude of the difference between the input voltage on CK and the input voltage on CK, or between
DQS and DQS for differential strobe.
2. DDR2 SDRAM AC timing reference load
The following figure represents the timing reference load used in defining the relevant timing parameters of the part.
It is not intended to be either a precise representation of the typical system environment nor a depiction of the actual
load presented by a production tester. System designers will use IBIS or other simulation tools to correlate the timing
reference load to a system environment. Manufacturers will correlate to their production test conditions (generally a
coaxial transmission line terminated at the tester electronics).
VDDQ
DUT
DQ
DQS
DQS
RDQS
RDQS
Output
Timing
reference
point
VTT = VDDQ/2
25Ω
AC Timing Reference Load
The output timing reference voltage level for single ended signals is the crosspoint with VTT. The output timing reference voltage level for differential signals is the crosspoint of the true (e.g. DQS) and the complement (e.g. DQS)
signal.
3. DDR2 SDRAM output slew rate test load
Output slew rate is characterized under the test conditions as shown below.
VDDQ
DUT
DQ
DQS, DQS
RDQS, RDQS
Output
Test point
VTT = VDDQ/2
25Ω
Slew Rate Test Load
4. Differential data strobe
DDR2 SDRAM pin timings are specified for either single ended mode or differential mode depending on the setting of
the EMRS “Enable DQS” mode bit; timing advantages of differential mode are realized in system design. The method
by which the DDR2 SDRAM pin timings are measured is mode dependent. In single
Rev. 1.0 / July. 2008
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Release
H5PS5162FFR series
VREF. In differential mode, these timing relationships are measured relative to the crosspoint of DQS and its complement, DQS. This distinction in timing methods is guaranteed by design and characterization. Note that when differential data strobe mode is disabled via the EMRS, the complementary pin, DQS, must be tied externally to VSS through a
20 ohm to 10 K ohm resistor to insure proper operation.
tDQSH
DQS
DQS/
DQS
tDQSL
DQS
tWPRE
tWPST
VIH(dc)
VIH(ac)
DQ
D
D
VIL(ac)
VIL(dc)
tDS
VIH(ac)
tDS
DM
D
D
DMin
DMin
tDH
DMin
tDH
VIH(dc)
DMin
VIL(ac)
VIL(dc)
Figure -- Data input (write) timing
tCH
tCL
CK
CK/CK
CK
DQS
DQS/DQS
DQS
tRPRE
tRPST
DQ
Q
Q
tDQSQmax
Q
Q
tDQSQmax
tQH
tQH
Figure -- Data output (read) timing
5. AC timings are for linear signal transitions. See System Derating for other signal transitions.
6. These parameters guarantee device behavior, but they are not necessarily tested on each device.
They may be guaranteed by device design or tester correlation.
7. All voltages referenced to VSS.
8. Tests for AC timing, IDD, and electrical (AC and DC) characteristics, may be conducted at nominal reference/
supply voltage levels, but the related specifications and device operation are guaranteed for the full voltage
range specified.
Rev. 1.0 / July. 2008
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Release
H5PS5162FFR series
Specific Notes for dedicated AC parameters
1. User can choose which active power down exit timing to use via MRS(bit 12). tXARD is expected to be used for fast
active power down exit timing. tXARDS is expected to be used for slow active power down exit timing where a lower
power value is defined by each vendor data sheet.
2. AL = Additive Latency
3. This is a minimum requirement. Minimum read to precharge timing is AL + BL/2 providing the tRTP and tRAS(min)
have been satisfied.
4. A minimum of two clocks (2 * tCK) is required irrespective of operating frequency
5. Timings are guaranteed with command/address input slew rate of 1.0 V/ns. See System Derating for other slew rate
values.
6. Timings are guaranteed with data, mask, and (DQS/RDQS in singled ended mode) input slew rate of 1.0 V/ns.
See System Derating for other slew rate values.
tDS, tDH Derating Values(ALL units in 'ps', Note 1 applies to entire Table)
DQS, DQS Differential Slew Rate
4.0 V/ns
2.0
1.5
DQ
Slew
rate
V/ns
3.0 V/ns
2.0 V/ns
1.8 V/ns
1.6 V/ns
1.4 V/ns
1.2 V/ns
1.0 V/ns
0.8 V/ns
△ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD △ tD
S
H
S
H
S
H
S
H
S
H
S
H
S
H
S
H
S
H
125 45 125 45 +125 +45
83
21
83
21
+83
+21
95
33
-
-
-
-
-
-
-
-
-
1.0
0
0
0
0
0
0
12
12
24
24
-
-
-
-
-
-
-
-
0.9
0.8
-
-
-11
-14
-11
-14
1
-2
13
10
25
22
-
-
-
-
-
-
-
-
-
-
-25
-31
-13
-19
-1
-7
11
5
23
17
-
-
-
-
0.7
-
-
-
-
-
-
-31
-42
-42
-19
-7
-8
5
-6
17
6
-
-
0.6
-
-
-
-
-
-
-
-
-43
-59
-31
-47
-19
-35
-7
-23
5
-11
0.5
0.4
-
-
-
-
-
-
-
-
-
-
-74
-89
-62
-77
-50
-65
-38
-53
-
-
-
-
-
-
-
-
-
-
-
-
-127 -140 -115 -128 -103 -116
7. Timings are guaranteed with CK/CK differential slew rate of 2.0 V/ns. Timings are guaranteed for DQS signals with a
differen tial slew rate of 2.0 V/ns in differential strobe mode and a slew rate of 1V/ns in single ended mode. See System
Derating for other slew rate values.
8. tDS and tDH derating table (for DDR2- 400 / 533)
1) For all input signals the total tDS(setup time) and tDH(hold time) required is calculated by adding the datasheet value
to the derating value listed in above Table.
Setup(tDS) nominal slew rate for a rising signal is defined as the slew rate between the last crossing of VREF(dc) and the
first crossing of Vih(ac)min. Setup(tDS) nominal slew rate for a falling signal is defined as the slew rate between the last
crossing of VREF(dc) and the first crossing of Vil(ac)max. If the actual signal is always earlier than the nominal slew rate
line between shaded ‘ VREF(dc) to ac region’, use nominal slew rate for derating value(see Fig a.) If the actual signal is
later than the nominal slew rate line anywhere between shaded ‘VREF(dc) to ac region’, the slew rate of a tangent line to
the actual signal from the ac level to dc level is used for derating value(see Fig b.)
Hold(tDH) nominal slew rate for a rising signal is defined as the slew rate rate between the last crossing of Vil(dc) max and
the first crossing of VREF(dc). Hold (tDH) nominal slew rate for a falling signal is defined as the slew rate between the last
crossing of Vih(dc) min and the first crossing of VREF(dc). If the actual signal is earlier than the nominal slew rate line
anywhere between shaded ‘dc to VREF(dc) region’, the slew rate of a tangent line to the actual signal from the dc level to
VREF(dc) level is used for derating value(see Fig d.)
Rev. 1.0 / July. 2008
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H5PS5162FFR series
Although for slow slew rates the total setup time might be negative(i.e. a valid input signal will not have reached VIH/
IL(ac) at the time of the rising clock transition) a valid input signal is still required to complete the transition and reach
VIH/IL(ac).
For slew rate in between the values listed in table x, the derating valued may obtained by linear interpolation.
These values are typically not subject to production test. They are verified by design and characterization.
Hold(tDH) nominal slew rate for a rising signal is defined as the slew rate rate between the last crossing of Vil(dc) max
and the first crossing of VREF(dc). Hold (tDH) nominal slew rate for a falling signal is defined as the slew rate between
the last crossing of Vih(dc) min and the first crossing of VREF(dc). If the actual signal is earlier than the nominal slew
rate line anywhere between shaded ‘dc to VREF(dc) region’, the slew rate of a tangent line to the actual signal from the
dc level to VREF(dc) level is used for derating value(see Fig d.)
Although for slow slew rates the total setup time might be negative(i.e. a valid input signal will not have reached VIH/
IL(ac) at the time of the rising clock transition) a valid input signal is still required to complete the transition and reach
VIH/IL(ac).
For slew rate in between the values listed in table x, the derating valued may obtained by linear interpolation.
These values are typically not subject to production test. They are verified by design and characterization.
Rev. 1.0 / July. 2008
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H5PS5162FFR series
Fig. a Illustration of nominal slew rate for tIS,tDS
CK,DQS
CK, DQS
tIS,
tDS
tIH,
tDH
tIS,
tDS
tIH,
tDH
VDDQ
VIH(ac)min
VIH(dc)min
nominal
slew rate
VREF(dc)
nominal
slew rate
VIL(dc)max
VREF to ac
region
VIL(ac)max
Vss
Delta TF
Setup Slew Rate
=
Falling Signal
Rev. 1.0 / July. 2008
VREF(dc)-VIL(ac)max
Delta TF
Delta TR
Setup Slew Rate
=
Rising Signal
VIH(ac)min-VREF(dc)
Delta TR
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H5PS5162FFR series
Fig. -b Illustration of tangent line for tIS,tDS
CK, DQS
CK, DQS
tIS,
tDS
tIH,
tDH
tIS,
tDS
tIH,
tDH
VDDQ
nominal
line
VIH(ac)min
VIH(dc)min
tangent
line
VREF(dc)
Tangent
line
VIL(dc)max
VREF to ac
region
VIL(ac)max
Nomial
line
Vss
Delta TR
Delta TF
Setup Slew Rate Tangent line[VIH(ac)min-VREF(dc)]
=
Rising Signal
Delta TR
Setup Slew Rate Tangent line[VREF(dc)-VIL(ac)max]
=
Falling Signal
Delta TF
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H5PS5162FFR series
Fig. -c Illustration of nominal line for tIH, tDH
CK, DQS
CK, DQS
tIS,
tDS
tIH,
tDH
tIS,
tDS
tIH,
tDH
VDDQ
VIH(ac)min
VIH(dc)min
dc to VREF
region
VREF(dc)
nominal
slew rate
nominal
slew rate
VIL(dc)max
VIL(ac)max
Vss
Delta TR
Hold Slew Rate
=
Rising Signal
Rev. 1.0 / July. 2008
VREF(dc)-VIL(dc)max
Delta TR
Delta TF
VIH(dc)min - VREF(dc)
Hold Slew Rate
=
Falling Signal
Delta TF
29
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H5PS5162FFR series
Fig. -d Illustration of tangent line for tIH , tDH
CK, DQS
CK, DQS
tIS,
tDS
tIH,
tDH
tIS,
tDS
tIH,
tDH
VDDQ
VIH(ac)min
nominal
line
VIH(dc)min
tangent
line
VREF(dc)
dc to VREF
region
Tangent
line
nominal
line
VIL(dc)max
VIL(ac)max
Vss
Delta TR
Delta TF
Hold Slew Rate Tangent line[VREF(dc)-VIL(ac)max]
=
Rising Signal
Delta TR
Tangent line[VIH(ac)min-VREF(dc)]
Hold Slew Rate
=
Falling Signal
Delta TF
Rev. 1.0 / July. 2008
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9. tIS and tIH (input setup and hold) derating
tIS, tIH Derating Values for DDR2 400, DDR2 533
CK, CK Differential Slew Rate
2.0 V/ns
Command /
Address Slew
rate(V/ns)
1.5 V/ns
1.0 V/ns
△tIS
△tIH
△tIS
△tIH
△tIS
△tIH
4.0
+187
+94
+217
+124
+247
+124
ps
1
3.5
+179
+89
+209
+119
+239
+149
ps
1
3.0
+167
+83
+197
+113
+227
+143
ps
1
2.5
+150
+75
+180
+105
+210
+135
ps
1
2.0
+125
+45
+155
+75
+185
+105
ps
1
1.5
+83
+21
+113
+51
+143
+81
ps
1
1.0
+0
0
+30
+30
+60
60
ps
1
0.9
-11
-14
+19
+16
+49
+46
ps
1
Units Notes
0.8
-25
-31
+5
-1
+35
+29
ps
1
0.7
-43
-54
-37
-53
-7
+6
ps
1
0.6
-67
-83
-37
-53
-7
-23
ps
1
0.5
-100
-125
-80
-95
-50
-65
ps
1
0.4
-150
-188
-145
-158
-115
-128
ps
1
0.3
-223
-292
-255
-262
-225
-232
ps
1
0.25
-250
-375
-320
-345
-290
-315
ps
1
0.2
-500
-500
-495
-470
-465
-440
ps
1
0.15
-750
-708
-770
-678
-740
-648
ps
1
0.1
-1250
-1125
-1420
-1095
-1065
TBD
ps
1
tIS, tIH Derating Values for DDR2 667, DDR2 800
CK, CK Differential Slew Rate
2.0 V/ns
Command /
Address Slew
rate(V/ns)
Rev. 1.0 / July. 2008
1.5 V/ns
1.0 V/ns
△tIS
△tIH
△tIS
△tIH
△tIS
△tIH
4.0
+150
+94
+180
+124
+210
+154
ps
1
3.5
+143
+89
+173
+119
+203
+149
ps
1
3.0
+133
+83
+163
+113
+193
+143
ps
1
2.5
+120
+75
+150
+105
+180
+135
ps
1
2.0
+100
+45
+130
+75
+160
+105
ps
1
1.5
+67
+21
+97
+51
+127
+81
ps
1
Units Notes
1.0
0
0
+30
+30
+60
60
ps
1
0.9
-5
-14
+25
+16
+55
+46
ps
1
0.8
-13
-31
+17
-1
+47
+29
ps
1
0.7
-22
-54
+8
-24
+38
+6
ps
1
0.6
-34
-83
-4
-53
-26
-23
ps
1
0.5
-60
-125
-30
-95
0
-65
ps
1
0.4
-100
-188
-70
-158
-40
-128
ps
1
0.3
-168
-292
-138
-262
-108
-232
ps
1
0.25
-200
-375
-170
-345
-140
-315
ps
1
0.2
-325
-500
-295
-470
-265
-440
ps
1
0.15
-517
-708
-487
-678
-457
-648
ps
1
0.1
-1000
-1125
-970
-1095
-940
-1065
ps
1
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H5PS5162FFR series
1) For all input signals the total tIS(setup time) and tIH(hold) time) required is calculated by adding the
datasheet value to the derating value listed in above Table.
Setup(tIS) nominal slew rate for a rising signal is defined as the slew rate between the last crossing of
VREF(dc) and the first crossing of VIH(ac)min. Setup(tIS) nominal slew rate for a falling signal is defined as
the slew rate between the last crossing of VREF(dc) and the first crossing of VIL(ac)max. If the actual signal is
always earlier than the nominal slew rate for line between shaded ‘VREF(dc) to ac region’, use nominal slew
rate for derating value(see fig a.) If the actual signal is later than the nominal slew rate line anywhere
between shaded ‘VREF(dc) to ac region’, the slew rate of a tangent line to the actual signal from the ac level
to dc level is used for derating value(see Fig b.)
Hold(tIH) nominal slew rate for a rising signal is defined as the slew rate between the last crossing of
VIL(dc)max and the first crossing of VREF(dc). Hold(tIH) nominal slew rate for a falling signal is defined as the
slew rate between the last crossing of VREF(dc). If the actual signal is always later than the nominal slew rate
line between shaded ‘dc to VREF(dc) region’, use nominal slew rate for derating value(see Fig.c) If the actual
signal is earlier than the nominal slew rate line anywhere between shaded ‘dc to VREF(dc) region’, the slew
rate of a tangent line to the actual signal from the dc level to VREF(dc) level is used for derating value(see Fig
d.)
Although for slow rates the total setup time might be negative(i.e. a valid input signal will not have reached
VIH/IL(ac) at the time of the rising clock transition) a valid input signal is still required to complete the transition and reach VIH/IL(ac).
For slew rates in between the values listed in table, the derating values may obtained by linear interpolation.
These values are typically not subject to production test. They are verified by design and characterization.
10. The maximum limit for this parameter is not a device limit. The device will operate with a greater value
for this parameter, but system performance (bus turnaround) will degrade accordingly.
11. MIN ( t CL, t CH) refers to the smaller of the actual clock LOW time and the actual clock HIGH time as
provided to the device (i.e. this value can be greater than the minimum specification limits for t CL and t CH).
For example, t CL and t CH are = 50% of the period, less the half period jitter ( t JIT(HP)) of the clock
source, and less the half period jitter due to crosstalk ( t JIT(crosstalk)) into the clock traces.
12. t QH = t HP – t QHS, where:
tHP = minimum half clock period for any given cycle and is defined by clock HIGH or clock LOW (tCH,tCL).
tQHS accounts for:
1) The pulse duration distortion of on-chip clock circuits; and
2) The worst case push-out of DQS on one transition followed by the worst case pull-in of DQ on the
next transition, both of which are, separately, due to data pin skew and output pattern effects, and
p-channel to n-channel variation of the output drivers.
13. tDQSQ: Consists of data pin skew and output pattern effects, and p-channel to n-channel variation of the
output drivers as well as output slew rate mismatch between DQS/ DQS and associated DQ in any given
cycle.
14. t DAL = (nWR) + ( tRP/tCK):
For each of the terms above, if not already an integer, round to the next highest integer. tCK refers to the
application clock period. nWR refers to the t WR parameter stored in the MR.
Example: For DDR533 at t CK = 3.75 ns with t WR programmed to 4 clocks. tDAL = 4 + (15 ns / 3.75 ns)
clocks =4 +(4)clocks=8clocks.
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15. The clock frequency is allowed to change during self–refresh mode or precharge power-down mode.
In case of clock frequency change during precharge power-down, a specific procedure is required as
described in section 2.9.
16. ODT turn on time min is when the device leaves high impedance and ODT resistance begins to turn on.
ODT turn on time max is when the ODT resistance is fully on. Both are measured from tAOND.
17. ODT turn off time min is when the device starts to turn off ODT resistance.
ODT turn off time max is when the bus is in high impedance. Both are measured from tAOFD.
18. tHZ and tLZ transitions occur in the same access time as valid data transitions. Thesed parameters are
referenced to a specific voltage level which specifies when the device output is no longer driving(tHZ), or
begins driving (tLZ). Below figure shows a method to calculate the point when device is no longer driving
(tHZ), or begins driving (tLZ) by measuring the signal at two different voltages. The actual voltage measurement points are not critical as long as the calculation is consistenet.
19. tRPST end point and tRPRE begin point are not referenced to a specific voltage level but specify when
the device output is no longer driving (tRPST), or begins driving (tRPRE). Below figure shows a method to
calculate these points when the device is no longer driving (tRPST), or begins driving (tRPRE). Below Figure shows a method to calculate these points when the device is no longer driving (tRPST), or begins driving (tRPRE) by measuring the signal at two different voltages. The actual voltage measurement points are
not critical as long as the calculation is consistent.
VOH + xmV
VOH + 2xmV
VTT + 2xmV
VTT + xmV
tLZ
tRPRE begin point
tHZ
tRPST end point
T1
T2
T1
VOL + 1xmV
VTT -xmV
VOL + 2xmV
VTT - 2xmV
T2
tHZ , tRPST end point = 2*T1-T2
tLZ , tRPRE begin point = 2*T1-T2
20. Input waveform timing with differential data strobe enabled MR[bit10] =0, is referenced from the input
signal crossing at the VIH(ac) level to the differential data strobe crosspoint for a rising signal, and from
the input signal crossing at the VIL(ac) level to the differential data strobe crosspoint for a falling signal
applied to the device under test.
21. Input waveform timing with differential data strobe enabled MR[bit10]=0, is referenced from the input
signal crossing at the VIH(dc) level to the differential data strobe crosspoint for a rising signal and VIL(dc)
to the differential data strobe crosspoint for a falling signal applied to the device under test.
Rev. 1.0 / July. 2008
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H5PS5162FFR series
Differential Input waveform timing
DQS
DQS
tDS
tDH
tDS
tDH
VDDQ
VIH(ac)min
VIH(dc)min
VREF(dc)
VIL(dc)max
VIL(ac)max
VSS
22. Input waveform timing is referenced from the input signal crossing at the VIH(ac) level for a rising signal and VIL(ac) for a falling signal applied to the device under test.
23. Input waveform timing is referenced from the input signal crossing at the VIL(dc) level for a rising signal and VIH(dc) for a falling signal applied to the device under test.
24. tWTR is at least two clocks (2 x tCK or 2 x nCK) independent of operation frequency.
25. Input waveform timing with single-ended data strobe enabled MR[bit10] = 1, is referenced from the
input signal crossing at the VIH(ac) level to the single-ended data strobe crossing VIH/L(dc) at the start of
its transition for a rising signal, and from the input signal crossing at the VIL(ac) level to the single-ended
data strobe crossing VIH/L(dc) at the start of its transition for a falling signal applied to the device under
test. The DQS signal must be monotonic between Vil(dc)max and Vih(dc)min.
26. Input waveform timing with single-ended data strobe enabled MR[bit10] = 1, is referenced from the
input signal crossing at the VIH(dc) level to the single-ended data strobe crossing VIH/L(ac) at the end of
its transition for a rising signal, and from the input signal crossing at the VIL(dc) level to the single-ended
data strobe crossing VIH/L(ac) at the end of its transition for a falling signal applied to the device under
test. The DQS signal must be monotonic between Vil(dc)max and Vih(dc)min.
27. tCKEmin of 3 clocks means CKE must be registered on three consecutive positive clock edges. CKE
must remain at the valid input level the entire time it takes to achieve the 3 clocks of registration. Thus,
after any CKE transition, CKE may not transition from its valid level during the time period of tIS + 2 x tCK
+ tIH.
Rev. 1.0 / July. 2008
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H5PS5162FFR series
28. If tDS or tDH is violated, data corruption may occur and the data must be re-written with valid data
before a valid READ can be executed.
29. These parameters are measured from a command/address signal (CKE, CS, RAS, CAS, WE, ODT, BA0,
A0, A1, etc.) transition edge to its respective clock signal (CK/CK) crossing. The spec values are not
affected by the amount of clock jitter applied (i.e. tJIT(per), tJIT(cc), etc.), as the setup and hold are relative to the clock signal crossing that latches the command/address. That is, these parameters should be
met whether clock jitter is present or not.
30. These parameters are measured from a data strobe signal ((L/U/R)DQS/DQS) crossing to its respective
clock signal (CK/CK) crossing. The spec values are not affected by the amount of clock jitter applied (i.e.
tJIT(per), tJIT(cc), etc.), as these are relative to the clock signal crossing. That is, these parameters should
be met whether clock jitter is present or not.
31. These parameters are measured from a data signal ((L/U) DM, (L/U) DQ0, (L/U) DQ1, etc.) transition
edge to its respective data strobe signal ((L/U/R)DQS/DQS) crossing.
32. For these parameters, the DDR2 SDRAM device is characterized and verified to support
tnPARAM = RU{tPARAM / tCK(avg)}, which is in clock cycles, assuming all input clock jitter specificationsare satisfied.
For example, the device will support tnRP = RU {tRP / tCK(avg)}, which is in clock cycles, if all input clock
jitterspecifications are met. This means: For DDR2-667 5-5-5, of which tRP = 15ns, the device will support
tnRP =RU{tRP / tCK(avg)} = 5, i.e. as long as the input clock jitter specifications are met, Precharge command at Tm and Active command at Tm+5 is valid even if (Tm+5 - Tm) is less than 15ns due to input
clock jitter.
33. tDAL [nCK] = WR [nCK] + tnRP [nCK] = WR + RU {tRP [ps] / tCK(avg) [ps] }, where WR is the value
programmed in the mode register set.
34. New units, ‘tCK(avg)’ and ‘nCK’, are introduced in DDR2-667 and DDR2-800.
Unit ‘tCK(avg)’ represents the actual tCK(avg) of the input clock under operation.
Unit ‘nCK’, represents one clock cycle of the input clock, counting the actual clock edges.
Note that in DDR2-400 and DDR2-533, ‘tCK’, is used for both concepts.
ex) tXP = 2 [nCK] means; if Power Down exit is registered at Tm, an Active command may be registered
at Tm+2, even if (Tm+2 - Tm) is 2 x tCK(avg) + tERR(2per),min.
35. Input clock jitter spec parameter. These parameters and the ones in the table below are referred to as
'input clock jitter spec parameters' and these parameters apply to DDR2-667 and DDR2-800 only. The jitter
specified is a random jitter meeting a Gaussian distribution.
Rev. 1.0 / July. 2008
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H5PS5162FFR series
DDR2-667
Parameter
DDR2-800
Symbol
Units
Notes
100
ps
35
-80
80
ps
35
250
-200
200
ps
35
-200
200
-160
160
ps
35
tERR(2per)
-175
175
-150
150
ps
35
Cumulative error across 3 cycles
tERR(3per)
-225
225
-175
175
ps
35
Cumulative error across 4 cycles
tERR(4per)
-250
250
-200
200
ps
35
Cumulative error across 5 cycles
tERR(5per)
-250
250
-200
200
ps
35
Cumulative error across n cycles,
n=6...10, inclusive
tERR(6~10per)
-350
350
-300
300
ps
35
Cumulative error across n cycles,
n=11...50, inclusive
tERR(11~50per)
-450
450
-450
450
ps
35
tJIT(duty)
-125
125
-100
100
ps
35
min
max
min
max
tJIT(per)
-125
125
-100
tJIT(per,lck)
-100
100
tJIT(cc)
-250
Cycle to cycle clock period jitter during DLL
locking period
tJIT(cc,lck)
Cumulative error across 2 cycles
Clock period jitter
Clock period jitter during DLL locking period
Cycle to cycle clock period jitter
Duty cycle jitter
36. These parameters are specified per their average values, however it is understood that the following
relationship between the average timing and the absolute instantaneous timing holds at all times. (Min and
max of SPEC values are to be used for calculations in the table below.)
Parameter
Symbol
min
max
Units
Absolute clock period
tCK(abs)
tCK(avg),min+tJIT(per),min
tCK(avg),max+tJIT(per),max
ps
Absolute clock HIGH pulse width
tCH(abs)
tCH(avg),min*tCK(avg),min+tJIT( tCH(avg),max*tCK(avg),max+tJI
per),min
T(per),max
ps
Absolute clock LOW pulse width
tCL(abs)
tCL(avg),min*tCK(avg),min+tJIT( tCL(avg),max*tCK(avg),max+tJIT
per),min
(per),max
ps
Example: For DDR2-667, tCH(abs),min = ( 0.48 x 3000 ps ) - 125 ps = 1315 ps
37. tHP is the minimum of the absolute half period of the actual input clock. tHP is an input parameter but
not an input specification parameter. It is used in conjunction with tQHS to derive the DRAM output timing
tQH.
The value to be used for tQH calculation is determined by the following equation;
tHP = Min ( tCH(abs), tCL(abs) ),
where,
tCH(abs) is the minimum of the actual instantaneous clock HIGH time;
tCL(abs) is the minimum of the actual instantaneous clock LOW time;
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38. tQHS accounts for:
1) The pulse duration distortion of on-chip clock circuits, which represents how well the actual tHP at the
input is transferred to the output; and
2) The worst case push-out of DQS on one transition followed by the worst case pull-in of DQ on the next
transition, both of which are independent of each other, due to data pin skew, output pattern effects, and
p-channel to n-channel variation of the output drivers
39. tQH = tHP ? tQHS, where:
tHP is the minimum of the absolute half period of the actual input clock; and
tQHS is the specification value under the max column.
{The less half-pulse width distortion present, the larger the tQH value is; and the larger the valid data eye
will be.}
Examples:
1) If the system provides tHP of 1315 ps into a DDR2-667 SDRAM, the DRAM provides tQH of 975 ps minimum.
2) If the system provides tHP of 1420 ps into a DDR2-667 SDRAM, the DRAM provides tQH of 1080 ps
minimum.
40. When the device is operated with input clock jitter, this parameter needs to be derated by the actual
tERR(6-10per) of the input clock. (output deratings are relative to the SDRAM input clock.)
For example, if the measured jitter into a DDR2-667 SDRAM has tERR(6-10per),min = - 272 ps and
tERR(6-10per), max = + 293 ps, then tDQSCK,min(derated) = tDQSCK,min - tERR(6-10per),max = - 400
ps - 293 ps = - 693 ps and tDQSCK,max(derated) = tDQSCK,max - tERR(6-10per),min = 400 ps + 272 ps
= + 672 ps. Similarly, tLZ(DQ) for DDR2-667 derates to tLZ(DQ),min(derated) = - 900 ps - 293 ps = 1193 ps and tLZ(DQ),max(derated) = 450 ps + 272 ps = + 722 ps. (Caution on the min/max usage!)
41. When the device is operated with input clock jitter, this parameter needs to be derated by the actual
tJIT(per) of the input clock. (output deratings are relative to the SDRAM input clock.)
For example, if the measured jitter into a DDR2-667 SDRAM has tJIT(per),min = - 72 ps and tJIT(per),max
= + 93 ps, then tRPRE,min(derated) = tRPRE,min + tJIT(per),min = 0.9 x tCK(avg) - 72 ps = + 2178 ps
and tRPRE,max(derated) = tRPRE,max + tJIT(per),max = 1.1 x tCK(avg) + 93 ps = + 2843 ps. (Caution
on the min/max usage!)
42. When the device is operated with input clock jitter, this parameter needs to be derated by the actual
tJIT(duty) of the input clock. (output deratings are relative to the SDRAM input clock.)
For example, if the measured jitter into a DDR2-667 SDRAM has tJIT(duty),min = - 72 ps and
tJIT(duty),max = + 93 ps, then tRPST,min(derated) = tRPST,min + tJIT(duty),min = 0.4 x tCK(avg) - 72
ps = + 928 ps and tRPST,max(derated) = tRPST,max + tJIT(duty),max = 0.6 x tCK(avg) + 93 ps = + 1592
ps. (Caution on the min/max usage!)
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43. When the device is operated with input clock jitter, this parameter needs to be derated by { tJIT(duty),max - tERR(6-10per),max } and { - tJIT(duty),min - tERR(6-10per),min } of the actual input
clock.(output deratings are relative to the SDRAM input clock.)
For example, if the measured jitter into a DDR2-667 SDRAM has tERR(6-10per),min = - 272 ps, tERR(610per), max = + 293 ps, tJIT(duty),min = - 106 ps and tJIT(duty),max = + 94 ps, then tAOF,min(derated)
= tAOF,min + { - tJIT(duty),max - tERR(6-10per),max } = - 450 ps + { - 94 ps - 293 ps} = - 837 ps and
tAOF,max(derated) = tAOF,max + { - tJIT(duty),min - tERR(6-10per),min } = 1050 ps + { 106 ps + 272 ps
} = + 1428 ps. (Caution on the min/max usage!)
44. For tAOFD of DDR2-400/533, the 1/2 clock of tCK in the 2.5 x tCK assumes a tCH, input clock HIGH
pulse width of 0.5 relative to tCK. tAOF,min and tAOF,max should each be derated by the same amount as
the actual amount of tCH offset present at the DRAM input with respect to 0.5. For example, if an input
clock has a worst case tCH of 0.45, the tAOF,min should be derated by subtracting 0.05 x tCK from it,
whereas if an input clock has a worst case tCH of 0.55, the tAOF,max should be derated by adding 0.05 x
tCK to it. Therefore, we have;
tAOF,min(derated) = tAC,min - [0.5 - Min(0.5, tCH,min)] x tCK
tAOF,max(derated) = tAC,max + 0.6 + [Max(0.5, tCH,max) - 0.5] x tCK
or
tAOF,min(derated) = Min(tAC,min, tAC,min - [0.5 - tCH,min] x tCK)
tAOF,max(derated) = 0.6 + Max(tAC,max, tAC,max + [tCH,max - 0.5] x tCK)
where tCH,min and tCH,max are the minimum and maximum of tCH actually measured at the DRAM input
balls.
45. For tAOFD of DDR2-667/800, the 1/2 clock of nCK in the 2.5 x nCK assumes a tCH(avg), average input
clock HIGH pulse width of 0.5 relative to tCK(avg). tAOF,min and tAOF,max should each be derated by the
same amount as the actual amount of tCH(avg) offset present at the DRAM input with respect to 0.5. For
example, if an input clock has a worst case tCH(avg) of 0.48, the tAOF,min should be derated by subtracting 0.02 x tCK(avg) from it, whereas if an input clock has a worst case tCH(avg) of 0.52, the tAOF,max
should be derated by adding 0.02 x tCK(avg) to it. Therefore, we have;
tAOF,min(derated) = tAC,min - [0.5 - Min(0.5, tCH(avg),min)] x tCK(avg)
tAOF,max(derated) = tAC,max + 0.6 + [Max(0.5, tCH(avg),max) - 0.5] x tCK(avg)
or
tAOF,min(derated) = Min(tAC,min, tAC,min - [0.5 - tCH(avg),min] x tCK(avg))
tAOF,max(derated) = 0.6 + Max(tAC,max, tAC,max + [tCH(avg),max - 0.5] x tCK(avg))
where tCH(avg),min and tCH(avg),max are the minimum and maximum of tCH(avg) actually measured at
the DRAM input balls.
Note that these deratings are in addition to the tAOF derating per input clock jitter, i.e. tJIT(duty) and
tERR(6-10per). However tAC values used in the equations shown above are from the timing parameter
table and are not derated. Thus the final derated values for tAOF are;
tAOF,min(derated_final) = tAOF,min(derated) + { - tJIT(duty),max - tERR(6-10per),max }
tAOF,max(derated_final) = tAOF,max(derated) + { - tJIT(duty),min - tERR(6-10per),min }
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Package Dimension(x16)
84Ball Fine Pitch Ball Grid Array Outline
8.0 +/- 0.10
13.00 +/- 0.10
A1 Ball Mark
1.20 Max.
L M N P
K
A B C D
E F G
H
J
0.80
0.8 x 14 = 11.2
<Top View>
R
0.34 +/- 0.05
A1 Ball Mark
0.80
1
2
3
7
8
9
84 - φ0.45 ± 0.05
0.80 x 8 = 6.40
<Bottom View>
note: all dimension units are Millimeters.
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