PI6C20800SIVE datasheet(1/10 Pages) PERICOM

Part #	PI6C20800SIVE

Description	PCI Express 1:8 HCSL Clock Buffer

PDF	10 Pages

Scroll/Zoom	100%

Manufacturer	PERICOM [Pericom Semiconductor Corporation]

Direct Link	http://www.pericom.com

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1 / 10 page

1

PS8887D

03/29/10

Features

• PhasejitterfilterforPCIe®application

• EightPairsofDifferentialClocks

• Lowskew<50ps(PI6C20800S),<60ps(PI6C20800SI)

• LowCycle-to-cyclejitter<50ps

• OutputEnableforalloutputs

• OutputsTristatecontrolviaSMBus

• PowerManagementControl

• ProgrammablePLLBandwidth

• PLLorFanoutoperation

• 3.3VOperation

• IndustrialTemperatureOption-PI6C20800SI

• Packaging(Pb-Free&Green):

—48-PinSSOP(V)

—48-PinTSSOP(A)

PI6C20800S

Description

PI6C20800SisaPCIExpress®,high-speed,low-noisedifferential

clock buffer designed to be a companion to PI6C410BS PCI

Express clock generator for Intel server chipsets.The device

distributesthedifferentialSRCclockfromPI6C410BStoeight

differential pairs of clock outputs either with or without PLL.

TheinputSRCclockcanbedividedby2whenSRC_DIV#is

LOW.The clock outputs are controlled by input selection of

SRC_STOP#,PWRDWN#andSMBus,SCLKandSDA.When

inputofeitherSRC_STOP#orPWRDWN#isLOW,theoutput

clocksareTristated.WhenPWRDWN# is LOW, theSDA and

SCLKinputsmustbeTristated.

Block Diagram

PCI Express® 1:8

HCSL Clock Buffer

Pin Configuration

OUT0

OUT0#

OUT1

OUT1#

OUT2

OUT2#

OUT3

OUT3#

DIV

Output

Control

SMBus

Controller

PLL

PLL_BW#

SRC

SRC#

PLL/BYPASS#

SRC_DIV#

SCLK

SDA

OE_INV

OE [0:7]

SRC_STOP#

PWRDWN#

OUT4

OUT4#

OUT5

OUT5#

OUT6

OUT6#

OUT7

OUT7#

LOCK

VDD_A

VSS_A

IREF

LOCK

OE_7

OE_4

OUT7

OUT7#

OE_INV

VDD

OUT6

OUT6#

OE_6

OE_5

OUT5

OUT5#

VSS

VDD

OUT4

OUT4#

PLL_BW#

SRC_STOP#

PWRDWN#

VSS

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

SRC_DIV#

VDD

VSS

SRC

SRC#

OE_0

OE_3

OUT0

OUT0#

VSS

VDD

OUT1

OUT1#

OE_1

OE_2

OUT2

OUT2#

VSS

VDD

OUT3

OUT3#

PLL/BYPASS#

SCLK

SDA

10-0150

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PI6C20800SIVE Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

PI6C20800SIVE Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

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