SN54LS181 Datasheet (Motorola Inc) - 4-BIT ARITHMETIC LOGIC UNIT

SN54LS181, 4-BIT ARITHMETIC LOGIC UNIT

The SN54 / 74LS181 is a 4-bit high speed parallel Arithmetic Logic Unit (ALU).

Controlled by the four Function Select Inputs (S0 .

S3) and the Mode Control Input (M), it can perform all the 16 possible logic operations or 16 different arithmetic operations on active HIGH or active LOW operands.

SN54/74LS181 4-BIT ARITHMETIC LOGIC UNIT The SN54 / 74LS181 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.

Provides 16 Arithmetic Operations Add, Subtract, Compare, Double, Provides all 16 Logic Operations of Two Variables Exclusive OR, Full Lookahead for High Speed Arithmetic Operation on Long Words Input Clamp Diodes Compare, AND, NAND, OR,

SN54LS181 Features

* WAVEFORMS INPUT 1.3 V t PLH 1.3 V 1.3 V t PHL 1.3 V OUTPUT Figure 4 A INPUT 1.3 V 1.3 V INPUT B INPUT 1.3 V t PLH OUTPUT 1.3 V 1.3 V t PHL 1.3 V t PLH OUTPUT 1.3 V