SL74LV138

System Logic

Semiconductor

SLS

3-TO-8 DECODER/DEMULTIPLEXER

By pinning SL74LV138 are compatible with SL74HC138 and

SL74HCT138 series. Input voltage levels are compatible with

standard CMOS ones.

• Output voltage levels are compatible with input levels of CMOS,

• Supply voltage range is from 1.2 to 5.5 V

• Low input current: 1.0 µÀ; 0.1 µÀ at Ò = 25 °Ñ

• Output current 6 mÀ

• Latch current is not less than 150 mÀ at Ò = 125 °Ñ

• ESD acceptable values: than 2000 V as per HBM, and not less

than 200 V as per MM

BLOCK DIAGRAM

A0

A1

A2

CS3

CS2

CS1

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

ORDERING INFORMATION

SL74LV138N Plastic DIP

SL74LV138D SOIC

° to 125° C

for all packages

PIN ASSIGNMENT

1

2

3

5

4

6

7

8

GND

16

15

14

13

12

11

10

9

A0

A1

Y7

Q6

Q5

A2

CS2

Cs3

CS1

Q1

Q0

Q2

Q3

Q4

FUNCTION TABLE

INPUTS

OUTPUTS

CS1 CS2 CS3

A2

A1

A0

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

X

X

H

X

X

X

H

H

H

H

H

H

H

H

X

H

X

X

X

X

H

H

H

H

H

H

H

H

L

X

X

X

X

X

H

H

H

H

H

H

H

H

H

L

L

L

L

L

L

H

H

H

H

H

H

H

H

L

L

L

L

H

H

L

H

H

H

H

H

H

H

L

L

L

H

L

H

H

L

H

H

H

H

H

H

L

L

L

H

H

H

H

H

L

H

H

H

H

H

L

L

H

L

L

H

H

H

H

L

H

H

H

H

L

L

H

L

H

H

H

H

H

H

L

H

H

H

L

L

H

H

L

H

H

H

H

H

H

L

H

H

L

L

H

H

H

H

H

H

H

H

H

H

L