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IN74ACT534

OCTAL 3-STATE INVERTING D FLIP-FLOP High-Speed Silicon-Gate CMOS

Integral Corp. 

IN74ACT534

OCTAL 3-STATE

INVERTING D FLIP-FLOP

High-Speed Silicon-Gate CMOS

The IN74ACT534 is identical in pinout to the LS/ALS534,

HC/HCT534. The IN74ACT534 may be used as a level converter

for interfacing TTL or NMOS outputs to High Speed CMOS inputs.

Data meeting the setup time is clocked, in inverted form, 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.

• 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; 0.1 µA @ 25°C

• Outputs Source/Sink 24 mA

LOGIC DIAGRAM

ORDERING INFORMATION

IN74ACT534N Plastic

IN74ACT534DW SOIC

TA = -40° to 85° C for all

packages

PIN ASSIGNMENT

PIN 20=VCC

PIN 10 = GND

FUNCTION TABLE

Inputs

Output

Output Clock

D

Q

Enable

L

H

L

L

L

H

L L,H,

X

no

change

H

X

X

Z

X = don’t care

Z = high impedance

1

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