TLF9491

August 1995

54F74F181

4-Bit Arithmetic Logic Unit

General Description

The ’F181 is a 4-bit Arithmetic logic Unit (ALU) which can

perform all the possible 16 logic operations on two variables

and a variety of arithmetic operations It is 40% faster than

the Schottky ALU and only consumes 30% as much power

Features

Y

Full lookahead for high-speed arithmetic operation on

long words

Y

Guaranteed 4000V minimum ESD protection

Commercial

Military

Package

Package Description

Number

74F181PC

N24A

24-Lead (0600 Wide) Molded Dual-In-Line

74F181SPC

N24C

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

54F181DM (Note 2)

J24A

24-Lead Ceramic Dual-In-Line

54F181SDM (Note 2)

J24F

24-Lead (0300 ) Ceramic Dual-In-Line

74F181SC (Note 1)

M24B

24-Lead (0300 ) Molded Small Outline JEDEC

54F181FM (Note 2)

W24C

24-Lead Cerpack

54F181LM (Note 2)

E28A

24-Lead Ceramic Leadless Chip CarrierType C

Note 1

Devices also available in 13

Note 2

Connection Diagrams

Pin Assignment

for DIP SOIC and Flatpak

TLF9491 – 1

Pin Assignment

for LCC

TLF9491 – 2

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A