Complex sentence: The 74181 is a 4 bit wide bit slice ALU implemented as a 7400 series TTL-based integrated circuit, frequently used as the arithmetic/logic core in the CPUs of many historically significant minicomputers and other devices.
Split into simpler sentences: The 74181 is a 4 bit wide bit slice ALU implemented as a 7400 series TTL-based integrated circuit. It was used as the arithmetic/logic core in the CPUs of many historically significant minicomputers and other devices.