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SL74HC151D

8-Input Data Selector/Multiplexer High-Performance Silicon-Gate CMOS

System Logic Semiconductor 

SL74HC151

8-Input Data Selector/Multiplexer

High-Performance Silicon-Gate CMOS

The SL74HC151 is identical in pinout to the LS/ALS151. The device

inputs are compatible with standard CMOS outputs; with pullup

resistors, they are compatible with LS/ALSTTL outputs.

The device selects one of the eight binary Data Inputs, as

determined by the Address Inputs. The Strobe pin must be at a low

level for the selected data to appear at the outputs. If Strobe is high,

the Y output is forced to a low level and the Y output is forced to a

high level.

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 2.0 to 6.0 V

• Low Input Current: 1.0 µA

• High Noise Immunity Characteristic of CMOS Devices

ORDERING INFORMATION

SL74HC151N Plastic

SL74HC151D SOIC

TA = -55° to 125° C for all packages

LOGIC DIAGRAM

PIN ASSIGNMENT

PIN 16 =VCC

PIN 8 = GND

SLS

System Logic

Semiconductor

FUNCTION TABLE

Inputs

Outputs

A2 A1 A0 Strobe Y Y

XX X

H

LH

LL L

L D0 D0

LL H

L D1 D1

LH L

L D2 D2

LH H

L D3 D3

HL L

L D4 D4

HL H

L D5 D5

HH L

L D6 D6

HH H

L D7 D7

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

input

X = don’t care

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