PI6C557-05LEX Pericom Semiconductor, PI6C557-05LEX Datasheet
PI6C557-05LEX
Specifications of PI6C557-05LEX
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PI6C557-05LEX Summary of contents
Page 1
... GND 10-0222 PCIe® 2.0 Clock Generator with 4 HCSL Outputs Description The PI6C557- spread spectrum clock generator compliant to PCI Express® 2.0 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce Elec- tromagnetic Interference (EMI). The PI6C557-05 provides four differential (HCSL) or LVDS spread spectrum outputs ...
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... Table 2: Spread Selection Table Spread % - Spread - Spread 10-0222 PCIe® 2.0 Clock Generator with 4 HCSL Outputs Spread Type Output Frequency Down 100 Down 100 Down 100 Not Applicable 100 Down 200 Down 200 Down 200 Not Applicable 200 2 PI6C557-05 PS9061 09/17/10 ...
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... Decoupling capacitors of 0.01μF or 0.1μF must be connected between each VDD pin and the PCB ground plane and placed as close to the VDD pin as possible. PI6C557-05 must be isolated from system power supply noise to perform optimally. Crystal Use a 25MHz fundamental mode parallel resonant crystal with less than 30PPM of error across temperature ...
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... Ohm 49.9 Ohm Dimension or Value Unit 2 min to 16 max inch 1.8 min to 14.4 max inch Dimension or Value Unit 0.25 min to 14 max inch 0.225 min to 12.6 max inch L4 L4’ PCI-Express Load or Connector PI6C557-05 PS9061 09/17/10 ...
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... OR 1250 mV 1150 mV 10-0222 PCIe® 2.0 Clock Generator with 4 HCSL Outputs Dimension or Value 0.5 max 0.2 max 100 100 150 L1’ L2’ 1250 mV 1150 mV 5 PI6C557-05 Unit inch inch Ohm Ohm Ohm L3’ LVDS Device Load PS9061 09/17/10 ...
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... No load PD = LOW Input pin capacitance Output pin capacitance CLK Outputs 6 PI6C557-05 Note: Stresses greater than those listed under MAXIMUM RAT- INGS 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 ...
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... PCI-SIG jitter test method Spread Spectrum From 0.175V to 0.525V From 0.525V to 0.175V At Crossing Point Voltage (5) All outputs (5) All outputs From Power-up VDD=3.3V Setting period after spread change Conditions Still air 7 PI6C557-05 Min. Typ. Max. Unit 25 MHz 200 MHz 100 660 700 850 mV -150 ...
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... Pericom recommends SRX7278 for optimium performance. Parameter Mode of Oscillation Frequency Frequency Tolerance Temperature and Aging Stability Load Cap Equivelent Series Resistance Drive Level 10-0222 PCIe® 2.0 Clock Generator with 4 HCSL Outputs Value Fundamental AT 25 ±20 ±30 20 -Ohm 35 100 8 PI6C557-05 Unit MHz PPM pF mW PS9061 09/17/10 ...
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... Pericom Semiconductor Corporation • www.pericom.com 10-0222 PCI®, PCI-X®, PCIe®, PCI Express® and PCI-SIG® are registered trademarks of the PCI-SIG® (www.pcisig.org). PCIe® 2.0 Clock Generator with 4 HCSL Outputs Package Code L 9 PI6C557-05 PackageType Pb-free & Green, 20-Pin TSSOP PS9061 09/17/10 ...