MC74HC4051AFEL datasheet(2/16 Pages) ONSEMI

Part #	MC74HC4051AFEL

Description	Analog Multiplexers/Demultiplexers

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Manufacturer	ONSEMI [ON Semiconductor]

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MC74HC4051A, MC74HC4052A, MC74HC4053A

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LOGIC DIAGRAM

MC74HC4051A

Single–Pole, 8–Position Plus Common Off

X0

13

X1

14

X2

15

X3

12

X4

1

X5

5

X6

2

X7

4

A

11

B

10

C

9

ENABLE

6

MULTIPLEXER/

DEMULTIPLEXER

X

3

ANALOG

INPUTS/

CHANNEL

INPUTS

PIN 16 = VCC

PIN 7 = VEE

PIN 8 = GND

COMMON

OUTPUT/

INPUT

15

16

14

13

12

11

10

2

1

3456

7

VCC

9

8

X2

X1

X0

X3

A

B

C

X4

X6

X

X7

X5

Enable VEE GND

Pinout: MC74HC4051A (Top View)

OUTPUTS

SELECT

L

H

X

L

H

L

H

X

L

H

L

H

L

H

L

H

X

FUNCTION TABLE – MC74HC4051A

Control Inputs

ON Channels

Enable

Select

CB

A

X0

X1

X2

X3

X4

X5

X6

X7

NONE

L

H

X = Don’t Care

LOGIC DIAGRAM

MC74HC4052A

Double–Pole, 4–Position Plus Common Off

X0

12

X1

14

X2

15

X3

11

Y0

1

Y1

5

Y2

2

Y3

4

A

10

B

9

ENABLE

6

X SWITCH

Y SWITCH

X

13

ANALOG

INPUTS/OUTPUTS

CHANNEL-SELECT

INPUTS

PIN 16 = VCC

PIN 7 = VEE

PIN 8 = GND

COMMON

OUTPUTS/INPUTS

L

H

X

L

H

L

H

X

FUNCTION TABLE – MC74HC4052A

Control Inputs

ON Channels

Enable

Select

BA

X0

X1

X2

X3

L

H

X = Don’t Care

Pinout: MC74HC4052A (Top View)

15

16

14

13

12

11

10

2

1

3

4

567

VCC

9

8

X2

X1

X

X0

X3

A

B

Y0

Y2

Y

Y3

Y1

Enable VEE GND

Y

3

Y0

Y1

Y2

Y3

NONE

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