1
PS8383B 09/14/04
Pin Configuration
Functional Table
Block Diagram
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PI6C2510-133
Low-Noise, Phase-Locked Loop
Clock Driver with 10 Clock Outputs
Description
The PI6C2510-133 is a "quiet," low-skew, low-jitter, phase-locked
loop (PLL) clock driver, distributing high-frequency clock signals
for SDRAM and server applications. By connecting the feedback
FB_OUT output to the feedback FB_IN input, the propagation
delay from the CLK_IN input to any clock output will be nearly zero.
This zero-delay feature allows the CLK_IN input clock to be
distributed, providing one clock input to one bank of ten outputs,
with an output enable.
This clock driver is designed to meet the PC133 SDRAM Registered
DIMM specification. For test purposes, the PLL can be bypassed
by strapping AV
CC
to ground.
Features
Operating Frequency up to 150 MHz
Low-Noise Phase-Locked Loop Clock Distribution that
meets 133 MHz Registered DIMM Synchronous DRAM
modules for server/workstation/PC applications
Allows Clock Input to have Spread Spectrum modulation
for EMI reduction
Zero Input-to-Output delay: Distribute one Clock Input
to one Bank of Ten outputs, with an output enable.
Low jitter: Cycle-to-Cycle jitter 75ps max.
On-chip series damping resistor at clock output drivers
for low noise and EMI reduction
Operates at 3.3V V
CC
Packaging(Pb-free & Green available):
- 24-pin TSSOP (L)
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11
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19
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15
14
13
24-Pin
L
PI6C2510-133
Low-Noise, Phase-Locked Loop
Clock Driver with 10 Clock Outputs
2
PS8383B 09/14/04
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Pin Functions
PI6C2510-133
Low-Noise, Phase-Locked Loop
Clock Driver with 10 Clock Outputs
3
PS8383B 09/14/04
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Absolute maximum ratings over operating free-air temperature range.
Note: Stress beyond those listed under "absolute maximum ratings" may cause permanent damage to the device.
Recommended Operating Conditions
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Electrical characteristics over recommended operating free-air temperature range
Pull Up/Down Currents of PI6C2510-133, V
CC
= 3.0V
PI6C2510-133
Low-Noise, Phase-Locked Loop
Clock Driver with 10 Clock Outputs
4
PS8383B 09/14/04
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AC Specifications
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Timing requirements over recommended ranges of supply voltage and operating free-air temperature.
Switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL=30pF
Note: These switching parameters are guaranteed, but not production tested.
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PI6C2510-133
Low-Noise, Phase-Locked Loop
Clock Driver with 10 Clock Outputs
5
PS8383B 09/14/04
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Ordering Information
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
Notes:
1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
Ordering Code
Package Code
Package Type
PI6C2510-133L
L
24-pin TSSOP
PI6C2510-133LE
L
Pb-free & Green, 24-pin TSSOP
Packaging Mechanical: 24-pin TSSOP (L)
.303
.311
.047
1.20
.002
.006
SEATING
PLANE
.0256
BSC
.018
.030
.004
.008
.252
BSC
1
24
.169
.177
X.XX
X.XX
DENOTES CONTROLLING
DIMENSIONS IN MILLIMETERS
0.05
0.15
6.4
0.45
0.75
0.09
0.20
4.3
4.5
7.7
7.9
0.65
0.19
0.30
.007
.012
Max
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