PI3PCIE2415 datasheet(2/9 Pages) PERICOM

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PS8945B.1

03/20/13

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PI3PCIE2415

3.3V PCI Express® 2.0, 2-Lane, 2:1 Mux/DeMux Switch

Signal Descriptions

Pin Number

Pin Name Type

Description

AI+,

AI-

Differential input

Differential input pair from PCIE signal source. Signal is passed

through to the AOa+, AOa- pin respectively when SEL=0. Signal

is passed through to the AOb+, AOb- pin respectively when SEL

= 1.

37,

AOa+,

AOa-

Differential pass-through

input

Differential analog pass-through output. Signal from AI+ and AI-

is passed through AOa+ and AOa- respectively when SEL=0.

AOb+,

AOb-

Differential pass-through

input

Differential analog pass-through output. Signal from AI+ and AI-

is passed through AOa+ and AOa- respectively when SEL=1.

BI+,

BI-

Differential input

Differential input pair from PCIE signal source. Signal is passed

through to the BOa+, BOa- pin respectively when SEL=0. Signal

is passed through to the BOb+, BOb- pin respectively when SEL

= 1.

33,

BOa+,

BOa-

Differential pass-through

input

Differential analog pass-through output. Signal from BI+ and BI-

is passed through BOa+ and BOa- respectively when SEL=0.

BOb+,

BOb-

Differential pass-through

input

Differential analog pass-through output. Signal from BI+ and BI-

is passed through BOb+ and BOb- respectively when SEL=1.

10,

CI+,

CI-

Differential input

Differential input pair from PCIE signal source. Signal is passed

through the COa+, COa- pin respectively When SEL=0. Signal is

passed through to the COb+, COb- pin respectively when SEL = 1.

28,

COa+,

COa-

Differential pass-through

input

Differential analog pass-through output. Signal from CI+ and CI-

is passed through COa+, COa- pin respectively when SEL = 0.

12,

COb+,

COb-

Differential pass-through

input

Differential analog pass-through output. Signal from CI+ and CI-

is passed through COb+, COb- pin respectively when SEL = 1.

14,

DI+,

DI-

Differential input

Differential input pair from PCIE signal source. Signal is passed

through the DOa+, DOa- pin respectively When SEL=0. Signal is

passed through to the DOb+, DOb- pin respectively when SEL = 1.

24,

DOa+,

DOa-

Differential pass-through

input

Differential analog pass-through output. Signal from DI+ and DI-

is passed through DOa+, DOa- pin respectively when SEL = 0.

16,

DOb+,

DOb-

Differential pass-through

input

Differential analog pass-through output. Signal from DI+ and DI-

is passed through DOb+, DOb- pin respectively when SEL = 1.

18, 20, 22, 25, 29,

35, 38, 40, 42

GND

Ground input

Ground

SEL

3.6V tolerant low-voltage

single-ended input

SEL controls the mux through a flow-through latch.

9, 19, 21, 26, 31,

34, 39, 41

VDD

Power supply

Power, 3.3V ±10%

13-0009

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