CD4051BQ1, CD4052BQ1, CD4053BQ1

CMOS ANALOG MULTIPLEXERS/DEMULTIPLEXERS

WITH LOGIC-LEVEL CONVERSION

SCHS354 − AUGUST 2004

2

POST OFFICE BOX 655303

description/ordering information (continued)

The CD4051B is a single eight-channel multiplexer that has three binary control inputs (A, B, and C) and an

inhibit input. The three binary signals select one of eight channels to be turned on and connect one of the eight

inputs to the output.

The CD4052B is a differential four-channel multiplexer that has two binary control inputs (A and B) and an inhibit

input. The two binary input signals select one of four pairs of channels to be turned on and connect the analog

inputs to the outputs.

The CD4053B is a triple two-channel multiplexer with three separate digital control inputs (A, B, and C) and an

inhibit input. Each control input selects one of a pair of channels, which are connected in a single-pole,

double-throw configuration.

When these devices are used as demultiplexers, the CHANNEL IN/OUT terminals are the outputs, and the

common (COM OUT/IN) terminals are the inputs.

CD4053

M OR PW PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

IN/OUT by

IN/OUT bx

IN/OUT cy

OUT/IN CX OR CY

IN/OUT CX

INH

OUT/IN bx or by

OUT/IN ax or ay

IN/OUT ay

IN/OUT ax

A

B

C

CD4051

M OR PW PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

CHANNEL I/O 4

CHANNEL I/O 6

COM OUT/IN

CHANNEL I/O 7

CHANNEL I/O 5

INH

CHANNEL I/O 2

CHANNEL I/O 1

CHANNEL I/O 0

CHANNEL I/O 3

A

B

C

CD4052

M OR PW PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

Y CHANNEL I/O 0

Y CHANNEL I/O 2

COM Y OUT/IN

Y CHANNEL I/O 3

Y CHANNEL I/O 1

INH

X CHANNEL I/O 2

X CHANNEL I/O 1

COM X OUT/IN

X CHANNEL I/O 0

X CHANNEL I/O 3

A

B