54ACQ244LMQB datasheet(1/7 Pages) NSC

No. de pieza	54ACQ244LMQB

Descripción Electrónicos	Octal Buffers/Line Drivers With TRI-State Outputs

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Fabricante Electrónico	NSC [National Semiconductor (TI)]

Página de inicio	http://www.national.com

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54ACQ244

• 54ACTQ244

Quiet Series Octal Buffer/Line Driver with TRI-STATE®

Outputs

General Description

The ’ACQ/’ACTQ244 is an octal buffer and line driver de-

signed to be employed as a memory address driver, clock

driver and bus oriented transmitter or receiver which pro-

vides improved PC board density. The ACQ/ACTQ utilizes

NSC Quiet Series technology to guarantee quiet output

switching and improved dynamic threshold performance.

FACT Quiet Series™ features GTO™ output control and un-

dershoot corrector in addition to a split ground bus for supe-

rior performance.

Features

n ICC and IOZ reduced by 50%

n Guaranteed simultaneous switching noise level and

dynamic threshold performance

n Improved latch-up immunity

n TRI-STATE outputs drive bus lines or buffer memory

address registers

n Outputs source/sink 24 mA

n Faster prop delays than the standard ’AC/’ACT244

n 4 kV minimum ESD immunity

n Standard Microcircuit Drawing (SMD)

— ’ACTQ244: 5962-92186

— ’ACQ244: 5962-92176

Logic Symbol

Pin Names

Description

OE

1,OE2

TRI-STATE Output Enable Inputs

I

0–I 7

Inputs

O

0–O 7

Outputs

Connection Diagrams

GTO™ is a trademark of National Semiconductor Corporation.

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

FACT® is a registered trademark of Fairchild Semiconductor Corporation.

FACT Quiet Series™ is a trademark of Fairchild Semiconductor Corporation.

IEE/IEC

DS100236-1

Pin Assignment

for DIP and Flatpak

DS100236-2

Pin Assignment

for LCC

DS100236-3

August 1998

DS100236

www.national.com

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54ACQ244LMQB Datasheet(PDF) 1 Page - National Semiconductor (TI)

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