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PI5C3401P

6-Bit, 3-Port Bus Exchange Switch

Pericom Semiconductor 

PI5C3401

6-BIT, 3-PORT BUS

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Product Features:

6-Bit, 3-Port Bus

Exchange Switch

• Nero propagation delay

• 5Ω switches connect inputs to outputs

Product Description:

• Direct bus connection when switches are ON

• Ultra Low Quiescent Power (0.2µA Typical)

– Ideally suited for notebook applications

• Packages available:

– 24-pin 300 mil wide plastic DIP (P)

– 24-pin 150 mil wide plastic QSOP (Q)

– 24-pin 300 mil wide plastic SOIC (S)

Logic Block Diagram

Pioneer Semiconductor’s PI5C series of logic circuits are pro-duced

in the Company’s advanced 0.8 micron CMOS technology, achieving

industry leading performance.

The PI5C3401 is a 6-bit, 3-port bus exchange switch designed with

a low ON resistance (5Ω) allowing inputs to be connected directly

to outputs. The bus switch creates no additional propagational

delay or additional ground bounce noise. The switches are turned

OFF by S0 = H and S1 = H. The A bus can be connected to B bus by

S0 = L and S1 = L. The B bus can be connected to C bus by S0 = H and

S1 = L. The C bus can be connected to A bus by S0 = L and S1 = H.

B0

Product Pin Configuration

A0

C0

24-PIN

P

Q

S

B5

A5

C5

S0

S1

DECODER

Truth Table(1)

Function

S0

S1

Disconnect

H

H

Connect A-B L

L

Connect B-C H

L

Connect C-A L

H

Note:

1. H = High Voltage Level

L = Low Voltage Level

Hi-Z = High Impedance

A0–5

Hi-Z

B0–5

Hi-Z

C0–5

B0–5

Hi-Z

A0–5

C0–5

Hi-Z

C0–5

Hi-Z

Hi-Z

B0–5

A0–5

Product Pin Description

Pin Name

S0, S1

A0–5

B0–5

C0–5

NC

GND

VCC

Description

Bus Direction

Bus A

Bus B

Bus C

No Connect

Ground

Power

194

PS7020A 03/13/96

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