PULSECORE PCS5I9772G-52-ER

PCS5I9772
September 2006
rev 0.4
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Features
The PCS5I9772 features one on-chip crystal oscillator and
•
Output frequency range: 8.33MHz to 200MHz
two LVCMOS reference clock inputs and provides 12
•
Input frequency range: 6.25MHz to 125MHz
outputs partitioned in three banks of four outputs each.
•
2.5V or 3.3V operation
Each bank divides the VCO output per SEL(A:C) settings,
•
Split 2.5V/3.3V outputs
see Functional Table.
•
±2% max Output duty cycle variation
These dividers allow output to input ratios of 8:1, 6:1, 5:1,
•
12 clock outputs: drive up to 24 clock lines
4:1, 3:1, 8:3, 5:2, 2:1, 5:3, 3:2, 4:3, 5:4, 1:1, and 5:6. Each
•
One feedback output
LVCMOS-compatible output can drive 50Ω series or
•
Three reference clock inputs: crystal or LVCMOS
parallel-terminated
•
300pS max output-output skew
terminated transmission lines, each output can drive one or
•
Phase-locked loop (PLL) bypass mode
two traces, giving the device an effective fanout of 1:24.
•
‘SpreadTrak’
•
Output enable/disable
•
Pin-compatible with CY29772, MPC9772 and
transmission
lines.
For
series-
The PLL is ensured stable given that the VCO is configured
to run between 200MHz and 500MHz. This allows a wide
range of output frequencies from 8MHz to 200MHz. For
MPC972
•
Industrial temperature range: -40°C to +85°C
•
52 pin 1.0 mm TQFP package
•
RoHS Compliance
normal operation, the external feedback input, FB_IN, is
connected to the feedback output, FB_OUT. The internal
VCO is running at multiples of the input reference clock set
by the feedback divider, see Frequency Table.
Functional Description
When PLL_EN is LOW, PLL is bypassed and the reference
high-performance
clock directly feeds the output dividers. This mode is fully
200MHz PLL-based zero delay buffer, designed for
static and the minimum input clock frequency specification
high-speed clock-distribution applications.
does not apply.
The
PCS5I9772
Block Diagram
is
a
low-voltage
XIN
XOUT
VCO_SEL
PLL_EN
REF_SEL
D
0
TCLK0
0
TCLK1
TCLK_SEL
1
Phase
Detector
VCO
Q
Sync
Frz
1
QA0
QA1
QA2
QA3
LPF
FB_IN
D
Q
Sync
Frz
FB_SEL2
QB0
QB1
QB2
QB3
MR#/OE
Power-On
Reset
/4,/6,/8,/12
D
Q
Sync
Frz
QC0
QC1
/4,/6,/8,/10
SELA(0,1)
2
SELB(0,1)
2
SELC(0,1)
2
/2/4,/6,/8
D
Q
Sync
Frz
D
Q
Sync
Frz
FB_OUT
D
Q
Sync
Frz
SYNC
0
/4,/6,/8,/10
/2
1
QC2
QC3
Sync Pulse
FB_SEL(0,1)
2
Data Generator
SCLK
SDATA
Output Disable
Circuitry
12
INV_CLK
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200, Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018
www.pulsecoresemi.com
Notice: The information in this document is subject to change without notice.
PCS5I9772
September 2006
rev 0.4
AVSS
1
MR#/OE
SCLK
SELB1
SELB0
SELA1
SELA0
QA3
VDDQA
QA2
VSS
QA1
VDDQA
QA0
VSS
VCO_SEL
Pin Configuration
52 51 50 49 48 47 46 45 44 43 42 41 40
39
VSS
2
38
QB0
3
37
VDDQB
SDATA
4
36
QB1
FB_SEL2
5
35
VSS
PLL_EN
6
34
QB2
PCS5I9772
REF_SEL
7
33
VDDQB
TCLK_SEL
8
32
QB3
TCLK0
9
31
FB_IN
TCLK1
10
30
VSS
XIN
11
29
FB_OUT
XOUT
12
28
VDD
AVDD
13
27
FB_SEL0
SYNC
FB_SEL1
VSS
QC0
VDDQC
QC1
SELC0
SELC1
QC2
VDDQC
QC3
VSS
INV_CLK
14 15 16 17 18 19 20 21 22 23 24 25 26
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
2 of 15
PCS5I9772
September 2006
rev 0.4
Pin Description1
Pin
Name
I/O
Type
Description
11
XIN
I
Analog
Crystal oscillator input.
12
XOUT
O
Analog
Crystal oscillator output.
9
TCLK0
I, PU
LVCMOS
LVCMOS/LVTTL reference clock input.
10
TCLK1
I, PU
LVCMOS
LVCMOS/LVTTL reference clock input.
44, 46, 48, 50
QA(3:0)
O
LVCMOS
Clock output bank A.
32, 34, 36, 38
QB(3:0)
O
LVCMOS
Clock output bank B.
16, 18, 21, 23
QC(3:0)
O
LVCMOS
29
FB_OUT
O
LVCMOS
31
FB_IN
I, PU
LVCMOS
Clock output bank C.
Feedback clock output. Connect to FB_IN for normal
operation.
Feedback clock input. Connect to FB_OUT for normal
operation. This input should be at the same voltage rail as input
reference clock. See Table 1.
25
SYNC
O
LVCMOS
6
PLL_EN
I, PU
LVCMOS
2
MR#/OE
I, PU
LVCMOS
Synchronous pulse output. This output is used for system
synchronization.
PLL enable/bypass input. When Low, PLL is
disabled/bypassed and the input clock connects to the output
dividers.
Master reset and Output enable/disable input. See Table 2
8
TCLK_SEL
I, PU
LVCMOS
LVCMOS Clock reference select input. See Table 2.
7
REF_SEL
I, PU
LVCMOS
LVCMOS/LVPECL Reference select input. See Table 2.
52
VCO_SEL
I, PU
LVCMOS
VCO Operating frequency select input. See Table 2.
14
INV_CLK
I, PU
LVCMOS
QC(2,3) Phase selection input. See Table 2.
FB_SEL(2:0)
I, PU
LVCMOS
Feedback divider select input. See Table 6.
42, 43
SELA(1,0)
I, PU
LVCMOS
Frequency select input, Bank A. See Table 3.
40, 41
SELB(1,0)
I, PU
LVCMOS
Frequency select input, Bank B. See Table 4.
19, 20
SELC(1,0)
I, PU
LVCMOS
Frequency select input, Bank C. See Table 5.
5, 26, 27
I, PU
LVCMOS
Serial Clock input.
SDATA
VDDQA
VDDQB
VDDQC
AVDD
I, PU
Supply
Supply
Supply
Supply
LVCMOS
VDD
VDD
VDD
VDD
Serial Data input.
2.5V or 3.3V Power supply for bank A output clocks2,3.
2.5V or 3.3V Power supply for bank B output clocks.2,3
2.5V or 3.3V Power supply for bank C output clocks. 2,3
2.5V or 3.3V Power supply for PLL. 2,3
28
VDD
Supply
VDD
1
AVSS
Supply
Ground
Analog Ground.
VSS
Supply
Ground
Common Ground.
3
4
45, 49
33, 37
22, 17
13
15, 24, 30,
35, 39, 47, 51
SCLK
2.5V or 3.3V Power supply for core and inputs.2,3
Note: 1.PU = Internal pull up, PD = Internal pull down.
2. A 0.1µF bypass capacitor should be placed as close as possible to each positive power pin (<0.2”). If these bypass capacitors are not close to the pins
their high-frequency filtering characteristics will be cancelled by the lead inductance of the traces.
3 AVDD and VDD pins must be connected to a power supply level that is at least equal or higher than that of VDDQA, VDDQB, and VDDQC power
supply pins.
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
3 of 15
PCS5I9772
September 2006
rev 0.4
‘SpreadTrak’
Many systems being designed now utilize a technology
When a zero delay buffer is not designed to pass the
called Spread Spectrum Frequency Timing Generation.
Spread Spectrum feature through, the result is a
PCS5I9772 is designed so as not to filter off the Spread
significant amount of tracking skew which may cause
Spectrum feature of the Reference Input, assuming it
problems in the systems requiring synchronization.
exists.
Table 1. Frequency Table
Feedback Output
Divider
VCO
Input Frequency Range
(AVDD = 3.3V)
Input Frequency Range
(AVDD =2.5V)
÷4
Input Clock * 4
50MHz to 125MHz
50MHz to 95MHz
÷6
Input Clock * 6
33.3MHz to 83.3MHz
33.3MHz to 63.3MHz
÷8
Input Clock * 8
25MHz to 62.5MHz
25MHz to 47.5MHz
÷10
Input Clock * 10
20MHz to 50MHz
20MHz to 38MHz
÷12
Input Clock * 12
16.6MHz to 41.6MHz
16.6MHz to 31.6MHz
÷16
Input Clock * 16
12.5MHz to 31.25MHz
12.5MHz to 23.75MHz
÷20
Input Clock * 20
10MHz to 25MHz
10MHz to 19MHz
÷24
Input Clock * 24
8.3MHz to 20.8MHz
8.3MHz to 15.8MHz
÷32
Input Clock * 32
6.25MHz to 15.625MHz
6.25MHz to 11.8MHz
÷40
Input Clock * 40
5MHz to 12.5MHz
5MHz to 9.5MHz
Table 2. Function Table (Configuration Controls)
Control
Default
0
1
REF_SEL
1
TCLK0, TCLK1
Crystal oscillator
TCLK_SEL
1
TCLK0
TCLK1
VCO_SEL
1
VCO÷2 (low input frequency range)
VCO÷1 (high input frequency range)
PLL_EN
1
Bypass mode, PLL disabled. The input clock
connects to the output dividers
PLL enabled. The VCO output
connects to the output dividers
INV_CLK
1
QC2 and QC3 are in phase with QC0 and QC1
QC2 and QC3 are inverted (180°
phase shift) with respect to QC0 and
QC1
1
Outputs disabled (three-state) and reset of the
device. During reset/output disable the PLL feedback
loop is open and the VCO running at its minimum
frequency. The device is reset by the internal
power-on reset (POR) circuitry during power-up.
Outputs enabled
MR#/OE
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
4 of 15
PCS5I9772
September 2006
rev 0.4
Table 5. Function Table (Bank C)
Table 3. Function Table (Bank A)
VCO_SEL
SELA1
SELA0
QA(0:3)
VCO_SEL
SELC1
SELC0
QC(0:3)
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
÷8
÷12
÷16
÷24
÷4
÷6
÷8
÷12
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
÷4
÷8
÷12
³16
÷2
÷4
÷6
÷8
Table 4. Function Table (Bank B)
Table 6. Function Table (FB_OUT)
VCO_SEL
SELB1
SELB0
QB(0:3)
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
÷8
÷12
÷16
÷20
÷4
÷6
÷8
÷10
VCO_SEL FB_SEL2 FB_SEL1 FB_SEL0 FB_OUT
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
÷8
÷12
÷16
÷20
÷16
÷24
÷32
÷40
÷4
÷6
÷8
÷10
÷8
÷12
÷16
÷20
Absolute Maximum Conditions
Parameter
Description
VDD
DC Supply Voltage
VDD
VIN
VOUT
DC Operating Voltage
DC Input Voltage
DC Output Voltage
VTT
Output termination Voltage
LU
RPS
TS
TA
TJ
ØJC
ØJA
Latch-up Immunity
Power Supply Ripple
Temperature, Storage
Temperature, Operating Ambient
Temperature, Junction
Dissipation, Junction to Case
Dissipation, Junction to Ambient
ESDH
FIT
Condition
Functional
Relative to VSS
Relative to VSS
Functional
Ripple Frequency < 100kHz
Non-functional
Functional
Functional
Functional
Functional
ESD Protection (Human Body Model)
Failure in Time
Min
Max
Unit
-0.3
5.5
V
2.375
-0.3
-0.3
3.465
VDD+ 0.3
VDD+ 0.3
V
V
V
-
VDD ÷2
V
200
-65
-40
-
150
+150
+85
+150
23
55
mA
mVp-p
°C
°C
°C
°C/W
°C/W
2000
Manufacturing test
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
10
V
ppm
5 of 15
PCS5I9772
September 2006
rev 0.4
DC Electrical Specifications (VDD = 2.5V ± 5%, TA = -40°C to +85°C)
Parameter
Description
Condition
Min
Typ
Max
Unit
-
-
0.7
V
1.7
1.8
-
-
VDD+0.3
0.6
-100
V
V
V
µA
VIL= VDD
-
-
100
µA
VIL
Input Voltage, Low
LVCMOS
VIH
VOL
VOH
IIL
Input Voltage, High
Output Voltage, Low1
Output Voltage, High1
Input Current, Low2
LVCMOS
IOL= 15mA
IOH= –15mA
VIL= VSS
IIH
Input Current, High2
IDDA
PLL Supply Current
AVDD only
-
5
10
mA
IDDQ
Quiescent Supply Current
All VDD pins except AVDD
-
-
8
mA
IDD
Dynamic Supply Current
Outputs loaded @ 100MHz
-
135
-
mA
CIN
Input Pin Capacitance
ZOUT
Output Impedance
-
4
-
pF
14
18
22
Ω
Note: 1. Driving one 50Ω parallel-terminated transmission line to a termination voltage of VTT. Alternatively, each output drives up to two 50Ω series-terminated
transmission lines
2. Inputs have pull-up or pull-down resistors that affect the input current.
DC Electrical Specifications (VDD= 3.3V ± 5%, TA= -40°C to +85°C)
Parameter
Description
Condition
Min
Typ
Max
Unit
VIL
Input Voltage, Low
LVCMOS
-
-
0.8
V
VIH
Input Voltage, High
LVCMOS
2.0
-
VDD + 0.3
V
VOL
Output Voltage, Low1
IOL= 24 mA
-
-
0.55
VOH
IIL
Output Voltage, High1
Input Current, Low2
IOL= 12 mA
IOH= –24 mA
VIL= VSS
2.4
-
-
0.30
-100
V
µA
IIH
Input Current, High2
VIL= VDD
-
-
100
µA
IDDA
PLL Supply Current
AVDD only
-
5
10
mA
IDDQ
Quiescent Supply Current
All VDD pins except AVDD
-
-
8
mA
IDD
Dynamic Supply Current
Outputs loaded @ 100MHz
CIN
Input Pin Capacitance
ZOUT
Output Impedance
V
-
225
-
mA
-
4
-
pF
12
15
18
Ω
Note: 1. Driving one 50Ω parallel-terminated transmission line to a termination voltage of VTT. Alternatively, each output drives up to two 50Ω series-terminated
transmission lines
2. Inputs have pull-up or pull-down resistors that affect the input current.
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
6 of 15
PCS5I9772
September 2006
rev 0.4
AC Electrical Specifications (VDD = 2.5V ± 5%, TA = -40°C to +85°C)1
Parameter
fVCO
fXTAL
fin
Description
VCO Frequency
Crystal Frequency Range
Input Frequency
frefDC
tr, tf
Input Duty Cycle
TCLK Input Rise/FallTime
fMAX
Maximum Output Frequency
fSCLK
Serial Clock Frequency
DC
Output Duty Cycle
tr, tf
Output Rise/Fall times
Propagation Delay
(static phase offset)
t(φ)
tsk(O)
tsk(B)
tPLZ, HZ
tPZL, ZH
BW
Output-to-Output Skew
Condition
Min
Typ
Max
Unit
200
10
50
33.3
25
20
16.6
12.5
10
8.3
6.25
5
-
380
25
95
63.3
47.5
38
31.6
23.75
19
15.8
11.8
9.5
MHz
MHz
0
-
200
fMAX < 100MHz
fMAX > 100MHz
0.6V to 1.8V
25
100
50
33.3
25
20
16.6
12.5
10
8.3
47.5
45
0.1
-
75
1.0
190
95
63.3
47.5
38
31.6
23.75
19
15.8
20
52.5
55
1.0
TCLK to FB_IN
-125
-
125
-
1.3–2.0
0.7–1.3
0.9–1.3
0.6–1.1
0.6–0.9
0.4–0.6
0.6–0.9
75
100
150
400
10
10
-
see Table 7
÷4 Feedback
÷6 Feedback
÷8 Feedback
÷10 Feedback
÷12 Feedback
÷16 Feedback
÷20 Feedback
÷24 Feedback
÷32 Feedback
÷40 Feedback
Bypass mode
(PLL_EN = 0)
0.7V to 1.7V
÷2 Output
÷4 Output
÷6 Output
÷8 Output
÷10 Output
÷12 Output
÷16 Output
÷20 Output
÷24 Output
Skew within Bank A
Skew within Bank B
Skew within Bank C
Bank-to-Bank Skew
Output Disable Time
Output Enable Time
PLL Closed Loop Bandwidth
(–3 dB)
÷4 Feedback
÷6 Feedback
÷8 Feedback
÷10 Feedback
÷12 Feedback
÷16 Feedback
÷20 Feedback
MHz
%
nS
MHz
MHz
%
nS
pS
pS
pS
nS
nS
MHz
Note: 1. AC characteristics apply for parallel output termination of 50Ω to VTT. Outputs are at same supply voltage unless otherwise stated. Parameters are
guaranteed by characterization and are not 100% tested.
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
7 of 15
PCS5I9772
September 2006
rev 0.4
AC Electrical Specifications (VDD = 2.5V ± 5%, TA = –40°C to +85°C) (Continued)6
Parameter
tJIT(CC)
tJIT(PER)
Description
Condition
Cycle-to-Cycle Jitter
Same frequency (125MHz)
RMS (1σ)
Same frequency
Multiple frequencies
Same frequency (125MHz)
RMS (1σ)
Same frequency
Multiple frequencies
Period Jitter
Min
Typ
Max
Unit
-
7
30
-
-
150
435
-
6
30
45
-
75
235
150
pS
pS
pS
tJIT(φ)
I/O Phase Jitter
-
tLOCK
Maximum PLL Lock Time
-
-
1
mS
Min
Typ
Max
Unit
-
500
25
125
83.3
62.5
50
41.6
31.25
25
20.8
15.625
12.5
200
75
1.0
200
125
83.3
62.5
50
41.6
31.25
25
20.8
20
52
55
1.0
MHz
MHz
fMAX< 100MHz
fMAX > 100MHz
0.55V to 2.4V
200
10
50
33.3
25
20
16.6
12.5
10
8.3
6.25
5
0
25
100
50
33.3
25
20
16.6
12.5
10
8.3
48
45
0.1
TCLK to FB_IN, same VDD
-125
-
125
pS
-
-
75
100
pS
AC Parameters (VDD= 3.3V ± 5%, TA= –40°C to +85°C)6
Parameter
fVCO
fXTAL
fin
Description
VCO Frequency
Crystal Frequency Range
Input Frequency
frefDC
tr, tf
Input Duty Cycle
TCLK Input Rise/FallTime
fMAX
Maximum Output Frequency
fMAX
Maximum Output Frequency
(continued)
fSCLK
Serial Clock Frequency
DC
Output Duty Cycle
tr, tf
Output Rise/Fall times
Propagation Delay
(static phase offset)
t(φ)
tsk(O)
Output-to-Output Skew
Condition
see Table 7
÷4 Feedback
÷6 Feedback
÷8 Feedback
÷10 Feedback
÷12 Feedback
÷16 Feedback
÷20 Feedback
÷24 Feedback
÷32 Feedback
÷40 Feedback
Bypass mode (PLL_EN = 0)
0.8V to 2.0V
÷2 Output
÷4 Output
÷6 Output
÷8 Output
÷10 Output
÷12 Output
÷16 Output
÷20 Output
÷24 Output
Skew within Bank A
Skew within Bank B
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
MHz
%
nS
MHz
MHz
MHz
%
nS
8 of 15
PCS5I9772
September 2006
rev 0.4
AC Parameters (VDD= 3.3V ± 5%, TA= -40°C to +85°C) (Continued)6
Parameter
Description
Condition
Skew within Bank C
Min
Typ
Max
-
-
150
Unit
tsk(B)
Bank-to-Bank Skew
-
-
325
pS
tPLZ, HZ
Output Disable Time
-
-
8
nS
tPZL, ZH
Output Enable Time
-
-
8
nS
÷4 Feedback
-
1.3 - 2.0
-
÷6 Feedback
-
0.7 - 1.3
-
÷8 Feedback
-
0.9 - 1.3
-
÷10 Feedback
-
0.6 - 1.1
-
÷12 Feedback
-
0.6 - 0.9
-
÷16 Feedback
-
0.4 - 0.6
-
÷20 Feedback
-
0.6 - 0.9
-
Same frequency (125MHz)
RMS (1σ )
-
7
30
Same frequency
-
-
100
Multiple frequencies
-
-
375
Same frequency (125MHz)
RMS (1σ )
-
6
30
Same frequency
-
45
75
Multiple frequencies
-
-
225
I/O same VDD
-
-
150
pS
-
-
1
mS
PLL Closed-Loop Bandwidth
(–3 dB)
BW
tJIT(CC)
Cycle-to-Cycle Jitter
tJIT(PER)
Period Jitter
tJIT(φ)
I/O Phase Jitter
tLOCK
Maximum PLL Lock Time
MHz
pS
pS
Sync Output
The duration and the placement of the pulse depend on the
In situations where output frequency relationships are not
higher of the QA and QC output frequencies. The following
integer multiples of each other, the SYNC output provides a
timing diagram illustrates various waveforms for the SYNC
signal
PCS5I9772
output. Note that the SYNC output is defined for all
monitors the relationship between the QA and the QC
possible combinations of the QA and QC outputs even
output clocks. It provides a low going pulse, one period in
though under some relationships the lower frequency clock
duration, one period prior to the coincident rising edges of
could be used as a synchronizing signal.
for
system
synchronization.
The
the QA and QC outputs.
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
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rev 0.4
VCO
1:1 Mode
QA
QC
SYNC
2:1 Mode
QA
QC
SYNC
3:1 Mode
QA
QC
SYNC
3:2 Mode
QA
QC
SYNC
4:1 Mode
QA
QC
SYNC
4:3 Mode
QA
QC
SYNC
6:1 Mode
QA
QC
SYNC
Figure 1
Power Management
data. An output is frozen when a logic ‘0’ is programmed
The individual output enable / freeze control of the
and enabled when a logic ‘1’ is written. The enabling and
PCS5I9772 allows the user to implement unique power
freezing of individual outputs is done in such a manner as
management schemes into the design. The outputs are
to eliminate the possibility of partial “runt” clocks.
stopped in the logic ‘0’ state when the freeze control bits
The serial input register is programmed through the
are activated. The serial input register contains one
SDATA input by writing a logic ‘0’ start bit followed by 12
programmable freeze enable bit for 12 of the 14 output
NRZ freeze enable bits. The period of each SDATA bit
clocks. The QC0 and FB_OUT outputs cannot be frozen
equals the period of the free running SCLK signal. The
with the serial port. This avoids any potential lock up
SDATA is sampled on the rising edge of SCLK.
situation should an error occur in the loading of the serial
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
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rev 0.4
Start
Bit D0
D1
D2
D3
D4
D5
D6
D7
D8
D9 D10 D11
Figure 2.
D0-D3 are the control bits for QA0-QA3, respectively
D4-D7 are the control bits for QB0-QB3, respectively
D8-D10 are the control bits for QC1-QC3, respectively
D11 is the control bit for SYNC
Table 7. Suggested Oscillator Crystal Parameters
Parameter
Description
Conditions
TC
Frequency Tolerance
TS
Frequency Temperature Stability
TA
Aging
CL
Load Capacitance
Effective Series Resistance
(ESR)
RESR
Min
Typ
Max
Unit
-
-
±1100
PPM
(TA–10° to +60°C)
-
-
± 100
PPM
(First three years @ 25°C)
-
-
5
PPM/Yr
The crystal’s rated load
-
20
-
pF
-
40
80
Ohm
Zo = 50 ohm
Zo = 50 ohm
Pulse
Generator
Z = 50 ohm
RT = 50 ohm
RT = 50 ohm
VTT
VTT
Figure 3. LVCMOS_CLK AC Test Reference for VDD = 3.3V/2.5V
VDD
LVCMOS_CLK
VDD/2
GND
VDD
FB_IN
VDD/2
t(φ)
GND
Figure 4. LVCMOS Propagation Delay t(φ), Static Phase Offset
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
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rev 0.4
VDD
VDD/2
GND
tP
T0
DC = tP / T0 x 100%
Figure 5. Output Duty Cycle (DC)
VDD
VDD/2
GND
VDD
VDD/2
tSK(0)
GND
Figure 6. Output-to-Output Skew, tsk(O)
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
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rev 0.4
Package Information
52-lead TQFP Package
SECTION A-A
Dimensions
Symbol
Inches
Min
Max
Millimeters
Min
Max
A
….
0.0472
…
1.2
A1
0.0020
0.0059
0.05
0.15
A2
0.0374
0.0413
0.95
1.05
D
0.4646
0.4803
11.8
12.2
D1
0.3898
0.3976
9.9
10.1
E
0.4646
0.4803
11.8
12.2
E1
0.3898
0.3976
9.9
10.1
L
0.0177
0.0295
0.45
0.75
L1
0.03937 REF
1.00 REF
T
0.0035
0.0079
0.09
0.2
T1
0.0038
0.0062
0.097
0.157
b
0.0102
0.0150
0.26
0.38
b1
0.0106
0.0130
0.27
0.33
R0
0.0031
0.0079
0.08
0.2
a
0°
7°
0°
7°
e
0.0256 BASE
0.65 BASE
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
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rev 0.4
Ordering Information
Part Number
Marking
Package Type
Operating Range
PCS5P9772G-52-ET
PCS5P9772G
52-pin TQFP, Tray, Green
Commercial
PCS5P9772G-52-ER
PCS5P9772G
52-pin TQFP – Tape and Reel, Green
Commercial
PCS5I9772G-52-ET
PCS5I9772G
52-pin TQFP, Tray, Green
Industrial
PCS5I9772G-52-ER
PCS5I9772G
52-pin TQFP – Tape and Reel, Green
Industrial
Device Ordering Information
P C S 5 I 9 7 7 2 G - 5 2 - E T
R = Tape & Reel, T = Tube or Tray
O = SOT
S = SOIC
T = TSSOP
A = SSOP
V = TVSOP
B = BGA
Q = QFN
U = MSOP
E = TQFP
L = LQFP
U = MSOP
P = PDIP
D = QSOP
X = SC-70
DEVICE PIN COUNT
G = GREEN PACKAGE, LEAD FREE, and RoHS
PART NUMBER
X= Automotive
I= Industrial
P or n/c = Commercial
(-40C to +125C) (-40C to +85C)
(0C to +70C)
1 = Reserved
2 = Non PLL based
3 = EMI Reduction
4 = DDR support products
5 = STD Zero Delay Buffer
6 = Power Management
7 = Power Management
8 = Power Management
9 = Hi Performance
0 = Reserved
PULSECORE SEMICONDUCTOR MIXED SIGNAL
PRODUCT
Licensed under US patent #5,488,627, #6,646,463 and #5,631,920.
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
14 of 15
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September 2006
rev 0.4
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200
Campbell, CA 95008
Tel: 408-879-9077
Fax: 408-879-9018
www.pulsecoresemi.com
Copyright © PulseCore Semiconductor
All Rights Reserved
Part Number: PCS5I9772
Document Version: 0.4
Note: This product utilizes US Patent # 6,646,463 Impedance Emulator Patent issued to PulseCore Semiconductor, dated 11-11-2003
© Copyright 2006 PulseCore Semiconductor Corporation. All rights reserved. Our logo and name are trademarks or
registered trademarks of PulseCore Semiconductor. All other brand and product names may be the trademarks of their
respective companies. PulseCore reserves the right to make changes to this document and its products at any time without
notice. PulseCore assumes no responsibility for any errors that may appear in this document. The data contained herein
represents PulseCore’s best data and/or estimates at the time of issuance. PulseCore reserves the right to change or correct
this data at any time, without notice. If the product described herein is under development, significant changes to these
specifications are possible. The information in this product data sheet is intended to be general descriptive information for
potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or
customer. PulseCore does not assume any responsibility or liability arising out of the application or use of any product
described herein, and disclaims any express or implied warranties related to the sale and/or use of PulseCore products
including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual
property rights, except as express agreed to in PulseCore’s Terms and Conditions of Sale (which are available from
PulseCore). All sales of PulseCore products are made exclusively according to PulseCore’s Terms and Conditions of Sale.
The purchase of products from PulseCore does not convey a license under any patent rights, copyrights; mask works rights,
trademarks, or any other intellectual property rights of PulseCore or third parties. PulseCore does not authorize its products
for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result
in significant injury to the user, and the inclusion of PulseCore products in such life-supporting systems implies that the
manufacturer assumes all risk of such use and agrees to indemnify PulseCore against all claims arising from such use
2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Notice: The information in this document is subject to change without notice.
15 of 15