IN74ALS244 查看數據表（PDF） - Integral Corp.

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IN74ALS244

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

Integral Corp. 

TECHNICAL DATA

Octal 3-State Noninverting Buffer/Line

Driver/Line Receiver

IN74ALS244

The IN74ALS244 is Octal Buffers and Line Drivers designed to be

used as memory address drivers, clock drivers and busoriented

transmitters/receivers which provide improved PC board density.

• Switching response specified into 500Ω/50 pF

• Switching specifications guaranteed over full temperature and VCC

range

• Low level drive current:

54ALS = 12 mA, 74ALS = 24 mA

ORDERING INFORMATION

IN74ALS244N Plastic

IN74ALS244DW SOIC

TA = -10° 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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