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IN74AC374

Octal 3-State Noninverting D Flip-Flop High-Speed Silicon-Gate CMOS

Integral Corp. 

TECHNICAL DATA

Octal 3-State

Noninverting D Flip-Flop

High-Speed Silicon-Gate CMOS

IN74AC374

The IN74AC374 is identical in pinout to the LS/ALS374,

HC/HCT374. The device inputs are compatible with standard CMOS

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

outputs.

Data meeting the setup and hold time is clocked to the outputs with

the rising edge of the Clock. The Output Enable input does not affect

the states of the flip-flops, but when Output Enable is high, the outputs

are forced to the high-impedance state; thus, data may be stored even

when the outputs are not enabled.

• 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

IN74AC374N Plastic

IN74AC374DW SOIC

TA = -40° to 85° C for all

packages

PIN ASSIGNMENT

LOGIC DIAGRAM

PIN 20=VCC

PIN 10 = GND

426

FUNCTION TABLE

Output

Enable

L

L

L

Inputs

Clock

L,H,

H

X

X = don’t care

Z = high impedance

Output

D

Q

H

H

L

L

X

no

change

X

Z

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