54ACT564 datasheet(1/8 Pages) NSC

Part #	54ACT564

Description	Octal D-Type Flip-Flop with TRI-STATE Outputs

PDF	8 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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54ACT564

Octal D-Type Flip-Flop with TRI-STATE® Outputs

General Description

The ’ACT564 is a high-speed, low power octal flip-flop with a

buffered common Clock (CP) and a buffered common Out-

put Enable (OE). The information presented to the D inputs

is stored in the flip-flops on the LOW-to-HIGH Clock (CP)

transition.

The ’ACT564 is functionally identical to the ’ACT574, but

with inverted outputs.

Features

n ICC and IOZ reduced by 50%

n Inputs and outputs on opposite sides of package

allowing easy interface with microprocessors

n Useful as input or output port for microprocessors

n Functionally identical to ’ACT574 but with inverted

outputs

n TRI-STATE outputs for bus-oriented applications

n Outputs source/sink 24 mA

n ’ACT564 has TTL-compatible inputs

n Standard Microcircuit Drawing (SMD) 5962-89557

Logic Symbols

Pin Names

Description

D

0–D7

Data Inputs

CP

Clock Pulse Input

OE

TRI-STATE Output Enable Input

O

0–O7

TRI-STATE Outputs

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

FACT™ is a trademark of Fairchild Semiconductor Corporation.

DS100994-1

IEEE/IEC

DS100994-2

September 1998

DS100994

www.national.com

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54ACT564 Datasheet(PDF) 1 Page - National Semiconductor (TI)

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