HANBIT HMS12832M4-12

HANBit
HMS12832M4
HAN
SRAM MODULE 512KByte (128K x 32-Bit)
BIT
Part No.
HMS12832M4
GENERAL DESCRIPTION
The HMS12832M4 is a high-speed static random access memory (SRAM) module containing 131,072 words
organized in a x32-bit configuration. The module consists of four 128K x 8 SRAMs mounted on a 64-pin, singlesided, FR4-printed circuit board.
PD0 and PD1 identify the module’s density allowing interchangeable use of alternate density, industry- standard
modules. Four chip enable inputs, (/CE1, /CE2, /CE3 and /CE4) are used to enable the module’s 4 bytes
independently. Output enable(/OE) and write enable(/WE) can set the memory input and output.
Data is written into the SRAM memory when write enable (/WE) and chip enable (/CE) inputs are both LOW.
Reading is accomplished when /WE remains HIGH and /CE and output enable (/OE) are LOW.
For reliability, this SRAM module is designed as multiple power and ground pin. All module components may be
powered from a single +5V DC power supply and all inputs and outputs are fully TTL-compatible.
PIN ASSIGNMENT
FEATURES
Š Access times : 12, 15 and 20ns
Š High-density 512KByte design
Š High-reliability, high-speed design
Š Single + 5V ±0.5V power supply
Š Easy memory expansion with /CE and /OE functions
Š All inputs and outputs are TTL-compatible
Š Industry-standard pinout
Š FR4-PCB design
OPTIONS
MARKING
Š Timing
8ns access
- 8
10ns access
-10
Vss
1
/CE4 33
PD0
2
/CE3 34
PD1
3
NC 35
DQ0
4
A16 36
DQ8
5
/OE 37
DQ1
6
Vss 38
DQ9
7
DQ24 39
DQ2
8
DQ16 40
DQ10
9
DQ25 41
DQ3 10
DQ11 11
DQ17 42
Vcc 12
A0 13
DQ18 44
A7 14
A1 15
DQ19 46
A8 16
A2 17
A10 48
A9 18
DQ12 19
A11 50
DQ4 20
DQ13 21
A12 52
DQ5 22
DQ14 23
A13 54
DQ6 24
DQ15 25
DQ20 56
DQ26 43
DQ27 45
A3 47
A4 49
A5 51
Vcc 53
A6 55
12ns access
-12
15ns access
-15
DQ7 26
Vss 27
DQ21 58
20ns access
-20
/WE 28
A15 29
DQ22 60
A14 30
/CE2 31
DQ23 62
Š Packages
64-pin SIMM
M
DQ28 57
DQ29 59
DQ30 61
DQ31 63
/CE1 32
Vss 64
SIMM
TOP VIEW
1
PD0 = Open
PD1 = Open
HANBit Electronics Co.,Ltd.
HANBit
HMS12832M4
FUNCTIONAL BLOCK DIAGRAM
32
DQ0 - DQ31
A0 - A16
17
A0-16
DQ 0-7
/WE
U1
/OE
/CE
/CE1
A0-16
DQ 8-15
/WE
U2
/OE
/CE
/CE2
A0-16
DQ16-23
/WE
U3
/OE
/CE
/CE3
A0-16
DQ24-31
/WE
/WE
/OE
/OE
U4
/CE
PRESENCE-DETECT
/CE4
PD0 = Open
PD1 = Open
TRUTH TABLE
MODE
/OE
/CE
/WE
DQ
POWER
STANDBY
X
H
X
HIGH-Z
STANDBY
NOT SELECTED
H
L
H
HIGH-Z
ACTIVE
READ
L
L
H
Dout
ACTIVE
WRITE
X
L
L
Din
ACTIVE
2
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HANBit
HMS12832M4
ABSOLUTE MAXIMUM RATINGS*
PARAMETER
SYMBOL
RATING
VIN,OUT
-0.5V to Vcc+0.5V
Voltage on Vcc Supply Relative to Vss
VCC
-0.5V to +7.0V
Power Dissipation
PD
4.0W
TSTG
-65oC to +150oC
Voltage on Any Pin Relative to Vss
Storage Temperature
Operating Temperature
TA
0oC to +70oC
Š 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 operating section of this specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
*
( TA=0 to 70 o C )
SYMBOL
MIN
TYP.
MAX
Supply Voltage
VCC
4.5V
5.0V
5.5V
Ground
VSS
0
0
0
Input High Voltage
VIH
2.2
-
Vcc+0.5V**
Input Low Voltage
VIL
-0.5*
-
0.8V
VIL(Min.) = -2.0V ac (Pulse Width ≤ 10ns) for I ≤ 20 mA
** VIH(Min.) = Vcc+2.0V ac (Pulse Width ≤ 10ns) for I ≤ 20 mA
DC AND OPERATING CHARACTERISTICS (1)(0oC ≤ TA ≤ 70 oC ; Vcc = 5V ± 10% )
PARAMETER
Input Leakage Current
Output Leakage Current
TEST CONDITIONS
VIN=Vss to Vcc
/CE=VIH or /OE =VIH or /WE=VIL
VOUT=Vss to VCC
SYMBO
L
MIN
MAX
UNITS
ILI
-2
2
µA
IL0
-2
2
µA
2.4
Output High Voltage
IOH = -4.0mA
VOH
Output Low Voltage
IOL = 8.0mA
VOL
V
0.4
V
* Vcc=5.0V, Temp=25 oC
3
HANBit Electronics Co.,Ltd.
HANBit
HMS12832M4
DC AND OPERATING CHARACTERISTICS (2)
MAX
DESCRIPTION
TEST CONDITIONS
Min. Cycle, 100% Duty
/CE=VIL, VIN=VIH or VIL,
IOUT=0mA
Power Supply
Current:Operating
Power Supply
Current:Standby
CAPACITANCE
SYMBOL
-12
-15
-20
UNIT
ICC
75
73
70
mA
Min. Cycle, /CE=VIH
ISB
30
30
30
mA
f=0MHZ, /CE≥VCC-0.2V,
VIN≥ VCC-0.2V or VIN≤0.2V
ISB1
5
5
5
mA
(TA =25 oC , f= 1.0Mhz)
DESCRIPTION
TEST CONDITIONS
SYMBOL
MAX
UNIT
Input /Output Capacitance
VI/O=0V
CI/O
8
pF
Input Capacitance
VIN=0V
CIN
8
pF
* NOTE : Capacitance is sampled and not 100% tested
AC CHARACTERISTICS (0oC ≤ TA ≤ 70 oC ; Vcc = 5V ± 0.5V, unless otherwise specified)
Test conditions
PARAMETER
VALUE
Input Pulse Level
0V to 3V
Input Rise and Fall Time
3ns
Input and Output Timing Reference Levels
1.5V
Output Load
See below
Output
Load
Output Load (B)
for tHZ, tLZ, tWHZ, tOW, tOLZ & tOHZ
+5V
+5V
480Ω
480Ω
DOUT
255Ω
DOUT
30pF*
255Ω
5pF*
READ CYCLE
-12
PARAMETER
-15
-20
SYMBOL
UNIT
MIN
Read Cycle Time
tRC
Address Access Time
tAA
MAX
12
MAX
15
12
4
MIN
MIN
MAX
20
15
ns
20
HANBit Electronics Co.,Ltd.
ns
HANBit
HMS12832M4
Chip Select to Output
tCO
12
15
20
ns
Output Enable to Output
tOE
6
7
9
ns
Output Enable to Low-Z Output
tOLZ
0
0
0
ns
Chip Enable to Low-Z Output
tLZ
3
3
3
ns
Output Disable to High-Z Output
tOHZ
0
6
0
7
0
9
ns
Chip Disable to High-Z Output
tHZ
0
6
0
7
0
9
ns
Output Hold from Address Change
tOH
3
3
3
ns
Chip Select to Power Up Time
tPU
0
0
0
ns
Chip Select to Power Down Time
tPD
-
12
15
20
ns
WRITE CYCLE
-12
PARAMETER
-15
-20
SYMBOL
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
Write Cycle Time
tWC
12
15
20
ns
Chip Select to End of Write
tCW
8
10
12
ns
Address Set-up Time
tAS
0
0
0
ns
Address Valid to End of Write
tAW
8
9
10
ns
Write Pulse Width
tWP
8
9
10
ns
Write Recovery Time
tWR
0
0
0
ns
Write to Output High-Z
tWHZ
0
Data to Write Time Overlap
tDW
6
7
8
ns
Data Hold from Write Time
tDH
0
0
0
ns
End of Write to Output Low-Z
tOW
3
3
3
ns
6
0
7
0
9
TIMING DIAGRAMS
TIMING WAVEFORM OF READ CYCLE(Address Controlled) ( /CE =/ OE = VIL , /WE = VIH)
tRC
Address
tAA
tOH
Data out
Previous Data Valid
Data Valid
5
HANBit Electronics Co.,Ltd.
ns
HANBit
HMS12832M4
TIMING WAVEFORM OF READ CYCLE ( /CE Controlled )
tRC
Address
tHZ(3,4,5)
tAA
tCO
/CE
tLZ(4,5)
tOHZ
tOE
/OE
tOH
tOLZ
Data Out
Vcc Supply
Current
High-Z
Data Valid
tPD
tPU
lCC
50%
50%
lSB
Notes (Read Cycle)
1. /WE is high for read cycle.
2. All read cycle timing is referenced from the last valid address to first transition address.
3. tHZ and tOHZ are defined as the time at which the outputs achieve the open circuit condition and are not referenced to VOH
or VOL levels.
4. At any given temperature and voltage condition, tHZ (max.) is less than tLZ (min.) both for a given device and from device
to device.
5. Transition is measured ± 200mV from steady state voltage with Load (B). This parameter is sampled and not 100% tested.
6. Device is continuously selected with /CE = VIL.
7. Address valid prior to coincident with /CE transition low.
TIMING WAVEFORM OF WRITE CYCLE (/OE=Clock )
tWC
Address
tAW
tWR(5)
/OE
tCW(3)
/CE
tAS(4)
tWP(2)
/WE
tDW
Data In
tDH
High-Z
Data Valid
tOHZ(6)
tOW
Data Out
High-Z
6
HANBit Electronics Co.,Ltd.
HANBit
HMS12832M4
TIMING WAVEFORM OF WRITE CYCLE ( /OE Low Fixed )
tWC
Address
tAW
tWR(5)
tCW(3)
/CE
tAS(4)
tOH
/WE
tWP(2)
tDW
tDH
High-Z
Data In
Data Valid
tWHZ(6,7)
tOW
(10)
(9)
High-Z(8)
Data Out
Notes(Write Cycle)
1. All write cycle timing is referenced from the last valid address to the first transition address.
2. A write occurs during the overlap of a low /CE and a low /WE. A write begins at the latest transition among
/CE going low and /WE going low: A write ends at the earliest transition among /CE going high and /WE going high.
tWP is measured from the beginning of write to the end of write.
3. tCW is measured from the later of /CE going low to the end of write.
4. tAS is measured from the address valid to the beginning of write.
5. tWR is measured from the end of write to the address change. tWR applied in case a write ends as /CE, or /WE going high.
6. If /OE,/CE and /WE are in the read mode during this period, the I/O pins are in the output low-Z state. Inputs of opposite
phase of the output must not be applied because bus contention can occur.
7. For common I/O applications, minimization or elimination of bus contention conditions is necessary during read and
write cycle.
8. If /CE goes low simultaneously with /WE going low or after /WE going low, the outputs remain high impedance state.
9. DOUT is the read data of the new address.
10. When /CE is low : I/O pins are in the output state. The input signals in the opposite phase leading to the output
should not be applied.
FUNCTIONAL DESCRIPTION
/CE
/WE
/OE
MODE
I/O PIN
SUPPLY CURRENT
H
X*
X
Not Select
High-Z
l SB, l SB1
L
H
H
Output Disable
High-Z
lCC
L
H
L
Read
DOUT
lCC
L
L
X
Write
DIN
lCC
Note: X means Don't Care
7
HANBit Electronics Co.,Ltd.
HANBit
HMS12832M4
PACKAGING INFORMATION
98.04 mm
10.16 mm
6.35 mm
16 mm
1
64
2.03 mm
1.02 mm
6.35 mm
6.35 mm
1.27 mm
3.34 mm
85.09 mm
2.54 mm
0.25 mm MAX
MIN
Gold : 1.04±0.10 mm
1.27
1.29±0.08 mm
Solder : 0.914±0.10 mm
(Solder & Gold Plating Lead)
8
HANBit Electronics Co.,Ltd.
HANBit
HMS12832M4
ORDERING INFORMATION
1
2
3
4
5
6
7
8
H M S 128 32 M 4 -15
15ns Access Time
HANBit
Component
Memory
Modules
SIMM
x32bit
SRAM
128K
1. - Product Line Identifier
HANBit ------------------------------------------------------ H
2. - Memory Modules
3. - SRAM
4. - Depth : 128K
5. - Width : x 32bit
6. - Package Code
SIMM ------------------------------------------------------- M
7. - Number of Memory Components
8. - Access time
10 ----------------------------------------------------------- 10ns
12 ----------------------------------------------------------- 12ns
15 ----------------------------------------------------------- 15ns
17 ----------------------------------------------------------- 17ns
20 ----------------------------------------------------------- 20ns
9
HANBit Electronics Co.,Ltd.