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74F181SC

4-Bit Arithmetic Logic Unit

Fairchild Semiconductor 

April 1988

Revised September 2000

74F181

4-Bit Arithmetic Logic Unit

General Description

The 74F181 is a 4-bit Arithmetic logic Unit (ALU) which can

perform all the possible 16 logic operations on two vari-

ables and a variety of arithmetic operations. It is 40% faster

than the Schottky ALU and only consumes 30% as much

power.

Features

s Full lookahead for high-speed arithmetic operation on

long words

Ordering Code:

Order Number Package Number

Package Description

74F181SC

M24B

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

74F181PC

N24A

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-011, 0.600 Wide

74F181SPC

N24C

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbols

Connection Diagram

Active-HIGH Operands

Active-LOW Operands

IEEE/IEC

© 2000 Fairchild Semiconductor Corporation DS009491

www.fairchildsemi.com

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