This first nand gate with a and b as input produces as output. Let us see how.

Exploreroots Implement Xor Using Minimum Of Nand Gates

### So this becomes.

**How to make xor gate from 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. Interview questions on digital design how to make xor gate using nand. Hence this leftmost nand gate should take both a and b as input.

Lets follow steps below for conversion. Sound interesting isn t it. Y a xor b a b a b let us take an approach where we consider a and a as different variables for now optimizations related to this if any will consider later.

The equations are also shown below. Z text nand a b overline ab overline a overline b now we have to check whether combining z with itself a b 0 or 1 through a nand gate can produce x and also y. Truth tables are discussed next.

A xor b a b a b. I try to resolve a problem how to implement a xor gate with nand s gate. As we know the logical equation of a 2 input xor gate is given as below.

Posted by vlsi expert. A xor b a b a b a a b b a a b b a b a b a b. From digital basics section we know the equations for xor and nand gates.

Nor equation a b. We can build a 2 input xor gate using 5 nand gates. Nand equation a b.

Xor equation a b ab.

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