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PI74FCT574DTSE

Fast CMOS Octal D Registers (3-State)

Pericom Semiconductor 

PI74FCT374T

PI74FCT574T

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Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)

Storage Temperature ................................................................. –65°C to +150°C

Ambient Temperature with Power Applied ................................. -40°C to +85°C

Supply Voltage to Ground Potential (Inputs & Vcc Only) .......... –0.5V to +7.0V

Supply Voltage to Ground Potential (Outputs & D/O Only) ....... –0.5V to +7.0V

DC Input Voltage ......................................................................... –0.5V to +7.0V

DC Output Current ................................................................................... 120 mA

Power Dissipation ......................................................................................... 0.5W

Note:

Stresses greater than those listed under MAXI-

MUM RATINGS may cause permanent damage to

the device. This is a stress rating only and functional

operation of the device at these or any other

conditions above those indicated in the operational

sections of this specification is not implied.

Exposure to absolute maximum rating conditions for

extended periods may affect reliability.

Truth Table(1)

Inputs

Outputs Internal

Function

OE CP DN

ON

QN

High-Z

H

LX

Z

NC

H

HX

Z

NC

Load Register L

↑L

L

H

L

↑H

H

L

H

↑L

Z

H

H

↑H

Z

L

1. H = High Voltage Level

L = Low Voltage Level

X = Don’t Care

Z = High Impedance

NC = No Change

↑= LOW-to-HIGH transition

Pin Description

Pin Name

OE

CP

D0-D7

O0-O7

O0-O7

GND

VCC

Description

Output Enable Input (Active LOW)

Clock Pulse for the register. Enters data on

LOW-to-HIGH transition

Data Inputs

3-State Outputs (true)

3-State Outputs (inverted)

Ground

Power

2

PS2016C 10/01/04

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