IN74HCT574A データシートの表示（PDF） - IK Semicon Co., Ltd

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IN74HCT574A

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

IK Semicon Co., Ltd 

TECHNICAL DATA

Octal 3-State

Noninverting D Flip-Flop

High-Performance Silicon-Gate CMOS

IN74HCT574A

The IN74HCT574A is identical in pinout to the LS/ALS574. This

device 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 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, all device 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

ORDERING INFORMATION

IN74HCT574AN Plastic

IN74HCT574ADW SOIC

TA = -55° to 125° C for all packages

LOGIC DIAGRAM

PIN ASSIGNMENT

PIN 20=VCC

PIN 10 = GND

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

Rev. 00

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