PI5C3308 查看數據表（PDF） - Pericom Semiconductor

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PI5C3308

2- Bit Bus Switch with Active Low Enable

Pericom Semiconductor 

PI5C3308

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2- Bit Bus Switch with

Active Low Enable

Product Features

• Near zero propagation delay

• 5-Ohm switches connect inputs to outputs

• Direct bus connection when switches are ON

• Ultra Low Quiescent Power (0.2µA Typical)

– Ideally suited for notebook applications

• Packages available:

– 8-pin plastic SOIC (W)

Product Description

Pericom Semiconductor’s PI5C series of logic circuits are produced

using the Company’s advanced submicron CMOS technology,

achieving industry leading speed grades.

The PI5C3308 is a 2-bit digital switch designed with a fast enable.

When enabled via the associated Bus Enable (BE) pin, the “A” pin

is directly connected to the “B” pin. The bus switch introduces no

additional propagation delay or additional ground bounce noise.

The PI5C3308 device has an active LOW enable.

PI5C3308 Logic Block Diagram

A1

BE1

A2

BE2

Product Pin Configuration

B1

A1

1

8

Vcc

B1

2 8-Pin 7

BE1

W

B2

BE2

3

6

B2

GND

4

5

A2

Truth Table(1)

BE

A

H

Hi-Z

L

B

Notes:

1. H = High Voltage Level

L = Low Voltage Level

Hi-Z = High Impedance

X = Don’t Care

Product Pin Description

B

Function

Pin Name

Hi-Z

Disconnect

BE

A

Connect

A2-A1

B2-B1

VCC

GND

Description

Switch Enable

Bus A

Bus B

Power

Ground

1

PS8368B 01/11/01

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