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IN74ACT253D

Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Speed Silicon-Gate CMOS

IK Semicon Co., Ltd 

TECHNICAL DATA

Dual 4-Input Data Selector/Multiplexer

with 3-State Otputs

High-Speed Silicon-Gate CMOS

IN74ACT253

The IN74ACT253 is identical in pinout to the LS/ALS253,

HC/HCT253. The IN74ACT253 may be used as a level converter for

interfacing TTL or NMOS outputs to High Speed CMOS inputs.

The Address Inputs select one of four Data Inputs from each

multiplexer. Each multiplexer has an active-low Output Enable control

and a three-state noninverting output.

• TTL/NMOS Compatible Input Levels

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 4.5 to 5.5 V

• Low Input Current: 1.0 µA; 0.1 µA @ 25°C

• Outputs Source/Sink 24 mA

ORDERING INFORMATION

IN74ACT253N Plastic

IN74ACT253D SOIC

TA = -40° to 85° C for all packages

LOGIC DIAGRAM

PIN ASSIGNMENT

PIN 16 =VCC

PIN 8 = GND

FUNCTION TABLE

Inputs

Output

A1 A0 Output Y

Enable

XX

H

Z

LL

L

D0

LH

L

D1

HL

L

D2

HH

L

D3

D0,D1...D3=the level of the respective

Data Input

Z = high impedance

X = don’t care

Rev. 00

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