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74F181 Datasheet, PDF (1/9 Pages) NXP Semiconductors – Arithmetic logic unit
April 1988
Revised July 1999
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-010, 0.600 Wide
74F181SPC
N24C
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 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
© 1999 Fairchild Semiconductor Corporation DS009491
www.fairchildsemi.com