IN74AC574 データシートの表示（PDF） - Integral Corp.

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IN74AC574

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

Integral Corp. 

TECHNICAL DATA

Octal 3-State

Noninverting D Flip-Flop

High-Performance Silicon-Gate CMOS

IN74AC574

The IN74AC574 is identical in pinout to the LS/ALS574,

HC/HCT574. The device inputs are compatible with standard CMOS

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

outputs.

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.

• 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

LOGIC DIAGRAM

ORDERING INFORMATION

IN74AC574N Plastic

IN74AC574DW SOIC

TA = -40° to 85° C for all

packages

PIN ASSIGNMENT

PIN 20=VCC

PIN 10 = GND

466

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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