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SL74HCT244D

Octal 3-State Noninverting Buffer/Line Driver/Line Receiver

System Logic Semiconductor 

SL74HCT244

Octal 3-State Noninverting

Buffer/Line Driver/Line Receiver

High-Performance Silicon-Gate CMOS

The SL74HCT244 is identical in pinout to the LS/ALS244. The device

may be used as a level converter for interfacing TTL or NMOS outputs

to High-Speed CMOS inputs.

The SL74HCT244 is an octal noninverting buffer/line driver/line

receiver designed to be used with 3-state memory address drivers, clock

drivers, and other bus-oriented systems. The device has non-inverted

outputs and two active-low output enables.

• 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

ORDERING INFORMATION

SL74HCT244N Plastic

SL74HCT244D SOIC

TA = -55° to 125° C for all packages

LOGIC DIAGRAM

PIN ASSIGNMENT

PIN 20=VCC

PIN 10 = GND

FUNCTION TABLE

Inputs

Enable A,

A,B

Enable B

L

L

L

H

H

X

X=don’t care

Z = high impedance

Outputs

YA,YB

L

H

Z

SLS

System Logic

Semiconductor

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