PI2PCIE2422 datasheet(2/10 Pages) PERICOM

2 / 10 page

PS8871C

10/03/07

PI2PCIE2422

PCI Express Gen II Compliant, 8-Differential

Channel Switch with 8:4 Mux/DeMux Option

Pin Description

Pin #

Pin Name

I/O

Description

1, 2

A0, A1

I/O

Signal I/O (typically a differential pair)

3, 4

C0, C1

I/O

Signal I/O (typically a differential pair)

5, 6

A2, A3

I/O

Signal I/O (typically a differential pair)

7, 8

C2, C3

I/O

Signal I/O (typically a differential pair)

10, 11

A4, A5

I/O

Signal I/O (typically a differential pair)

12, 13

C4, C5

I/O

Signal I/O (typically a differential pair)

14, 15

A6, A7

I/O

Signal I/O (typically a differential pair)

16, 17

C6, C7

I/O

Signal I/O (typically a differential pair)

22, 23

D7, D6

I/O

Signal I/O (typically a differential pair)

24, 25

B7, B6

I/O

Signal I/O (typically a differential pair)

26, 27

D5, D4

I/O

Signal I/O (typically a differential pair)

28,29

B5, B4

I/O

Signal I/O (typically a differential pair)

31, 32

D3, D2

I/O

Signal I/O (typically a differential pair)

33, 34

B3, B2

I/O

Signal I/O (typically a differential pair)

35, 36

D1, D0

I/O

Signal I/O (typically a differential pair)

37, 38

B1, B0

I/O

Signal I/O (typically a differential pair)

SEL

Operation mode Select

(when SEL=0: A

→B, C→D, when SEL=1: A→D, B & C=Hi-Z)

18, 20, 30, 40, 42

VCC

Pwr

1.8V positive supply voltage

19, 21, 39, 41

GND

Pwr

Power ground

07-0222

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