DESCRIPTION

The HC4051 is a single 8 channel multiplexer

demultiplexer having three binary control inputs A,

B and C to select 1 of 8 to be turned on, and

connected to the output.

The HC4052 has a pair of four channel multiplexer

demultiplexer having two control inputs A and B that

select one of four channels of the two sections.

The HC4053 is a triple two channel multiplexer

demultiplexer having three separate digital control

inputs A, B and C to select independently one of a

pair of channles.

CHIP CARRIER

HC4053

HC4052

HC4051

TRUTH TABLE (HC4051)

INPUT STATES

”ON” CHANNEL

INHIBIT

C

B

A

LL

L

L

0

LL

L

H

1

LL

H

L

2

LL

H

H

3

LH

L

L

4

LH

L

H

5

LH

H

L

6

LH

H

H

7

H

X

X

X

NONE

X: DON’T CARE

TRUTH TABLE (HC4052)

INPUT STATES

”ON” CHANNELS

INHIBIT

B

A

L

L

L

0X, 0Y

L

L

H

1X, 1Y

L

H

L

2X, 2Y

L

H

H

3X, 3Y

H

X

X

NONE

X: DON’T CARE

TRUTH TABLE (HC4053)

INPUT STATES

”ON” CHANNELS

INHIBIT

A or B or C

L

L

ax or bx or cx

L

H

ay or by or cy

H

X

NONE

X: DON’T CARE

M54/M74HC4051/4052/4053

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