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SDFS023A − D2932, MARCH 1987 − REVISED OCTOBER 1993

Copyright  1993, Texas Instruments Incorporated

2−1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443

•8-Line to 1-Line Multiplexers Can Perform

as:

Boolean Function Generators

Parallel-to-Serial Converters

Data Source Selectors

•Package Options Include Plastic

Small-Outline Packages, Ceramic Chip

Carriers, and Standard Plastic and Ceramic

300-mil DIPs

description

These monolithic data selectors/multiplexers

provide full binary decoding to select one of eight

data sources. The strobe (G) input must be at a

low logic level to enable the data

selection/multiplexing function. A high level at the

strobe terminal forces the W output high and the

Y output low.

The SN54F151B is characterized for operation

over the full military temperature range of −55°C

to 125°C. The SN74F151B is characterized for

operation from 0° °C to 70C.

FUNCTION TABLE

INPUTS

OUTPUTS

SELECT

STROBE

OUTPUTS

CBA

STROBE

GY W

X X XHL H

LD0 D0LLL

LD1 D1LHL

LD2 D2HLL

LD3 D3HHL

HD4 D4LLL

HD5 D5LHL

HD6 D6HLL

H H HLD7D7

D0, D1, . . . D7 = the level of the respective D input.

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

D3

D2

D1

D0

Y

W

G

GND

VCC

D4

D5

D6

D7

A

B

C

SN54F151B . . . J PACKAGE

SN74F151B . . . D OR N PACKAGE

(TOP VIEW)

3 2 12019

910 11 12 13

4

5

6

7

8

18

17

16

15

14

D5

D6

NC

D7

A

D1

D0

NC

Y

W

SN54F151B . . .FK PACKAGE

(TOP VIEW)

D2

D3

NC

C

B D4

G

GND

NC

NC − No internal connection

V

CC

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