Nexperia

74HC237

3-to-8 line decoder, demultiplexer with address latches

5.2. Pin description

Table 2. Pin description

Symbol

Pin

Description

A0 to A2

1, 2, 3

data input

LE

4

latch enable input (active LOW)

E1

5

data enable input 1 (active LOW)

E2

6

data enable input 2 (active HIGH)

Y0 to Y7

15, 14, 13, 12, 11, 10, 9, 7

output

GND

8

ground (0 V)

VCC

16

supply voltage

6. Functional description

Table 3. Function table

H = HIGH voltage level; L = LOW voltage level; X = don’t care.

Enable

Input

Output

LE

E1

E2

A0

A1

A2

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

H

L

H

X

X

X

stable

X

H

X

X

X

X

L

L

L

L

L

L

L

L

X

X

L

X

X

X

L

L

L

L

L

L

L

L

L

L

H

L

L

L

H

L

L

L

L

L

L

L

L

L

H

H

L

L

L

H

L

L

L

L

L

L

L

L

H

L

H

L

L

L

H

L

L

L

L

L

L

L

H

H

H

L

L

L

L

H

L

L

L

L

L

L

H

L

L

H

L

L

L

L

H

L

L

L

L

L

H

H

L

H

L

L

L

L

L

H

L

L

L

L

H

L

H

H

L

L

L

L

L

L

H

L

L

L

H

H

H

H

L

L

L

L

L

L

L

H

74HC237

All information provided in this document is subject to legal disclaimers.

© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 8 — 26 October 2021

4 / 16