Arithmetic Logic Unit

The arithmetic logic unit (ALU) is the important block used in computing processors for performing arithmetic and logical functions. The arithmetic logic unit performs various arithmetic operations such as addition, subtraction, etc., and logical operations such as ANDing, ORing, EX-ORing, etc.

The digital integrated circuits of arithmetic logic unit are,

1. 74181 TTL logic family
2. 74381 TTL logic family
3. 74382 TTL logic family
4. 74582 TTL logic family
5. 40181 CMOS logic family