IN74LS244 View Datasheet(PDF) - Integral Corp.

Part Name

Description

Manufacturer

IN74LS244

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

Integral Corp. 

TECHNICAL DATA

Octal 3-State Noninverting Buffer/Line

Driver/Line Receiver

IN74LS244

These octal buffers and line drivers and designed specifically to

improve both the performance and density of three-state memory

address drivers, clock drivers, and busoriented receivers and

transmitters.

This devise features high fan-out, improved fan-in, and 400 mV

noise margin.

It can be used to drive terminated lines down to 133 ohms.

• 3-State Outputs Drive Bus Lines or Buffer Memory Address

Registers

• P-N-P Inputs Reduce D-C Loading

• Hysteresis at Inputs Improves Noise Margins

ORDERING INFORMATION

IN74LS244N Plastic

IN74LS244DW SOIC

TA = 0° to 70° 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

1

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