MC74F158A Motorola, MC74F158A Datasheet

MC74F158A

Manufacturer Part Number

MC74F158A

Description

QUAD 2-INPUT MULTIPLEXER

Manufacturer

Motorola

Datasheet

1.MC74F158A.pdf (2 pages)

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QUAD 2-INPUT MULTIPLEXER

bits of data from two sources using the common Select and Enable inputs.

The four buffered outputs present the selected data in the inverted form. The

F158A can also generate any four of the 16 different functions of two

variables.

FUNCTION TABLE

H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care

AC Enhanced Version of the F158

The MC74F158A is a high-speed quad 2-input multiplexer. It selects four

I 0a

Z a

I 1a

CONNECTION DIAGRAM DIP (TOP VIEW)

V CC

I 0b

Inputs

I 0a

Z b

I 1b

I 0c

I 1a

LOGIC DIAGRAM

I 0

I 0c

I 1c

Z a

Z c

I 0b

Z c

I 1c

I 1

I 0d

I 1b

FAST AND LS TTL DATA

I 0d

I 1d

Z b

Z d

I 1d

GND

Z d

4-69

Output

V CC = PIN 16

GND = PIN 8

ORDERING INFORMATION

MC74F158A

MC74FXXXJ

MC74FXXXN

MC74FXXXD

FAST

QUAD 2-INPUT

MULTIPLEXER

LOGIC SYMBOL

Z a

Z b

Z d

SHOTTKY TTL

Ceramic

Plastic

SOIC

I 0a

I 1a

I 0b

I 1b

I 0c

I 1c

I 0d

I 1d

CASE 751B-03

CASE 620-09

CASE 648-08

CERAMIC

N SUFFIX

D SUFFIX

J SUFFIX

PLASTIC

SOIC

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MC74F158A Summary of contents

Page 1

... QUAD 2-INPUT MULTIPLEXER The MC74F158A is a high-speed quad 2-input multiplexer. It selects four bits of data from two sources using the common Select and Enable inputs. The four buffered outputs present the selected data in the inverted form. The F158A can also generate any four of the 16 different functions of two variables ...

Page 2

... The Enable input (E) is active LOW. When E is HIGH, all of the outputs (Z) are forced HIGH regardless of all other inputs. The F158A is the logic implementation of a 4-pole, 2-position switch where the position of the switch is determined by the logic levels supplied to the Select input. MC74F158A Min 74 4.5 74 ...

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