Wednesday, 28 November 2012

Half Adder Conbinational Circuit


By on 01:48

Half Adder is a Combinational Circuit that perform Arithmetic Operation of 2 bits.In simple words it take two-two binary inputs and outputs and produce sum and carryout.

Truth Table of Half Adder:- 

A B     Sum Carryout
o 0     0 0
0 1     1 0
1 0     1 0
1 1     0 1


Block Diagram of Half Adder:-


               
                           Sum=A'B+AB' and Carryout=AB

Half Adder Circuit Diagram:-



Implementation of Half Adder using NAND gate:-




 Implementation of Half Adder using NOR gate:-




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