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DESCRIPTION/ORDERING INFORMATION (CONTINUED)

2

3

5

6

11

10

14

13

15

1

G

A/B

4B

4A

3B

3A

2B

2A

1B

1A

4

7

9

12

1Y

2Y

3Y

4Y

Pin numbers shown are for the D, DB, J, NS, PW, RGY, and W packages.

SN54LVC157A, SN74LVC157A

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

SCAS292P – JANUARY 1993 – REVISED JULY 2005

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators

in a mixed 3.3-V/5-V system environment.

FUNCTION TABLE

INPUTS

OUTPUT

Y

G

A/B

A

B

H

X

X

X

L

L

L

L

X

L

L

L

H

X

H

L

H

X

L

L

L

H

X

H

H

LOGIC DIAGRAM (POSITIVE LOGIC)

2