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PI5C32202A

32-Bit Bus Switch with GTL Termination for Slotted CPU Applications

Pericom Semiconductor 

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32-Bit Bus Switch with GTL Termination

for Slotted CPU Applications

Features

• RON is 1000Ω typical connected to 1.5V VBIAS

• Low Power......50µW

• Switching Speed......7.5ns max.

• Channel On Capacitance: 8pF

• VCC Operating Range: +5V ± 5%

• ESD > 2000V......Human Body Model

• Packages available: 56-pin TSSOP

Product Description

Pericom’s PI5C32202 is a 32-bit bus switch. Industry leading

advantages include very low power, and low I/O capacitance.

When the bus switch is enabled (ENx = 0), it is terminated

internally through a series resistor to an external VBIAS. The ON-

resistance of the switch along with the series resistor provides a

100Ω nominal termination to VBIAS.

Applications

Provides GTL termination for busses for three to four processor

Pentium II system with an empty Slot II.

ENX

L

H

Switch

On

Off

Notes:

When Enabled:

Ports Ax connect to VBIAS..A

Ports Ay connect to VBIAS..B

Where:

X = 0-3, 8-11, 16-19, 24-27

Y = 4-7, 12-15, 20-23, 28-31

Logic Block Diagram

Product Pin Configuration

56-Pin

A

1

PS8349B 02/22/99

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