TLF9566

August 1995

54F74F573

Octal D-Type Latch with TRI-STATE

Outputs

General Description

The ’F573 is a high speed octal latch with buffered common

Latch Enable (LE) and buffered common Output Enable

(OE) inputs

This device is functionally identical to the ’F373 but has

different pinouts

Features

Y

Inputs and outputs on opposite sides of package

allowing easy interface with microprocessors

Y

Useful as input or output port for microprocessors

Y

Functionally identical to ’F373

Y

TRI-STATE outputs for bus interfacing

Y

Guaranteed 4000V minimum ESD protection

Commercial

Military

Package

Package Description

Number

74F573PC

N20A

20-Lead (0300 Wide) Molded Dual-In-Line

54F573DM (Note 2)

J20A

20-Lead Ceramic Dual-In-Line

74F573SC (Note 1)

M20B

20-Lead (0300 Wide) Molded Small Outline JEDEC

74F573SJ (Note 1)

M20D

20-Lead (0300 Wide) Molded Small Outline EIAJ

54F573FM (Note 2)

W20A

20-Lead Cerpak

54F573LM (Note 2)

E20A

20-Lead Ceramic Leadless Chip Carrier Type C

Note 1

Devices also available in 13

Note 2

Logic Symbols

TLF9566 – 1

IEEEIEC

TLF9566 – 4

Connection Diagrams

Pin Assignment for

DIP SOIC and Flatpak

TLF9566 – 2

Pin Assignment

for LCC

TLF9566 – 3

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A