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Jun 24, 2016

How to make XOR gate using NAND

Interview questions on Digital Design - How to make Xor gate using NAND .

Step by Step approach -> 

Lets say input is A and B

Xor  -  A.(!B) + (!A).B

NAND -  !(A.B)

Below is the calculation done for make XOR gate using NAND gate using 4 NAND gate.




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