The 74F181SPC 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.
Full look ahead for high-speed arithmetic operation on long words
Guaranteed 4000V minimum ESD protection
24 pin DIP. Manufactured by National.