TLF9515

May 1995

54F74F299 Octal Universal ShiftStorage Register

with Common Parallel IO Pins

General Description

The ’F299 is an 8-bit universal shiftstorage register with

TRI-STATE

outputs Four modes of operation are possi-

ble hold (store) shift left shift right and load data The par-

allel load inputs and flip-flop outputs are multiplexed to re-

duce the total number of package pins Additional outputs

arate active LOW Master Reset is used to reset the register

Features

Y

Common parallel IO for reduced pin count

Y

Additional serial inputs and outputs for expansion

Y

Four operating modes shift left shift right load and

store

Y

TRI-STATE outputs for bus-oriented applications

Y

Guaranteed 4000V minimum ESD protection

Commercial

Military

Package

Package Description

Number

74F299PC

N20A

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

54F299DM (Note 2)

J20A

20-Lead Ceramic Dual-In-Line

74F299SC (Note 1)

M20B

20-Lead (0300 Wide) Molded Small Outline JEDEC

74F299SJ (Note 1)

M20D

20-Lead (0300 Wide) Molded Small Outline EIAJ

54F299FM (Note 2)

W20A

20-Lead Cerpack

54F299LM (Note 2)

E20A

20-Lead Ceramic Leadless Chip Carrier Type C

Note 1

Devices also available in 13

Note 2

Logic Symbols

TLF9515 – 1

IEEEIEC

TLF9515 – 4

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M75Printed in U S A