Answer to Question #103427 in Electrical Engineering for Tehseen parveen

Question #103427
Design an XNOR gate with two inputs A and B using only NAND gates .Mention the expression in terms of A and B at the output of each NAND gate in your circuit diagram.
1
Expert's answer
2020-02-26T06:03:29-0500

The XNOR gate can be designed using so-called NAND logic. The scheme is below:



The expression is


"Q=(A\\cdot B)+\\big(\\overline{A}\\cdot\\overline{B}\\big)."


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