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PI5C3126Q

4-Bit Bus Switch with Individual Enables

Pericom Semiconductor 

PI5C3125 14-Pin Configuration

BE0 1

14 Vcc

A0 2

13 BE3

B0 3 14-Pin 12 A3

BE1 4 L,W 11 B3

A1 5

10 BE2

B1 6

9 A2

GND 7

8 B2

PI5C3125 16-Pin Configuration

NC 1

16 Vcc

BE0 2

15 BE3

A0 3 16-Pin 14 A3

B0 4 Q 13 B3

BE1 5

12 BE2

A1 6

11 A2

B1 7

10 B2

GND 8

9 NC

PI5C3125/3126

4-Bit Bus Switch w/Individual Enables

PI5C3126 14-Pin Configuration

BE0 1

14 Vcc

A0 2

13 BE3

B0 3 14-Pin 12 A3

BE1 4 W, L 11 B3

A1 5

10 BE2

B1 6

9 A2

GND 7

8 B2

PI5C3126 16-Pin Configuration

NC 1

16 Vcc

BE0 2

15 BE3

A0 3 16-Pin 14 A3

B0 4 Q 13 B3

BE1 5

12 BE2

A1 6

11 A2

B1 7

10 B2

GND 8

9 NC

Pin Description

Pin Name

BEn

BEn

A3-A0

B3-B0

VCC

GND

Description

Switch Enable (PI5C3125)

Switch Enable (PI5C3126)

Bus A

Bus B

Power

Ground

Truth Table(1)

PI5C3125 PI5C3126

BEn

BEn

An

Bn

VCC

Function

X(2)

X

Hi-Z Hi-Z GND Disconnect

H

L

Hi-Z Hi-Z VCC Disconnect

L

H

Bn An VCC Connect

Notes:

1. H = High Voltage Level, L = Low Voltage Level,

HI-Z = High Impedance, X = Don’t Care

2. A pull-up resistor should be provided for power-up protection.

Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)

Storage Temperature .................................................................. –65°C to +150°C

Ambient Temperature with Power Applied ................................. –40°C to +85°C

Supply Voltage to Ground Potential (Inputs & VCC Only)........... –0.5V to +7.0V

Supply Voltage to Ground Potential (Outputs & D/O Only) ........ –0.5V to +7.0V

DC Input Voltage .......................................................................... –0.5V to +7.0V

DC Output Current......................................................................................120mA

Power Dissipation ..........................................................................................0.5W

Note:

Stresses greater than those listed under MAXIMUM

RATINGS may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at these or any other conditions above those

indicated in the operational sections of this specifica-

tion is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect

reliability.

2

PS7013F

09/13/04

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