IN74AC244 データシートの表示（PDF） - IK Semicon Co., Ltd

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IN74AC244

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

IK Semicon Co., Ltd 

TECHNICAL DATA

Octal 3-State Noninverting

Buffer/Line Driver/Line Receiver

High-Speed Silicon-Gate CMOS

IN74AC244

The IN74AC244 is identical in pinout to the LS/ALS244,

HC/HCT244. The device inputs are compatible with standard CMOS

outputs; with pullup resistors, they are compatible with LS/ALS outputs.

This octal noninverting buffer/line driver/line receiver is designed to

be used with 3-state memory address drivers, clock drivers, and other

bus-oriented systems. The device has noninverting outputs and two

active-low output enables.

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 2.0 to 6.0 V

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

• High Noise Immunity Characteristic of CMOS Devices

• Outputs Source/Sink 24 mA

ORDERING INFORMATION

IN74AC244N Plastic

IN74AC244DW SOIC

TA = -40° to 85° 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

Rev. 00

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