IN74ALS27D 查看數據表（PDF） - Integral Corp.

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IN74ALS27D

TRIPLE 3-INPUT POSITIVE NOR GATE

Integral Corp. 

TECHNICAL DATA

TRIPLE 3-INPUT POSITIVE-

NOR GATE

This device contains three independent 3-input

positive-NOR gates. They perform the Boolean

functions Y=A+B+C or Y=A+B+C in positive logic.

The IN74ALS27A is characterized for operation from

0°C to 70°C

IN74ALS27A

ORDERING INFORMATION

IN74LS27N Plastic

IN74ALS27D SOIC

TA = 0° to 70° C for all

packages

Logic Symbol

Logic Diagram (Positive Logic)

FUNCTION TABLE

INPUTS

OUTPUT

A

B

C

Y

H

X

X

L

X

H

X

L

X

X

H

L

L

L

L

H

PIN ASSIGNMENT

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