English: A way of building an XNOR gate from only NAND gates. This construction has a propagation delay 4 times that of a single gate and uses 5 gates - an alternative design has just 3, and uses the same number of gates.
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{{Information |Description={{en|1=A way of building an en:XNOR gate from only en:NAND gates.}} |Source=Own work by uploader |Author=Inductiveload |Date=2009/01/16 |Permission={{PD-self}} |other_versions= }} <!--{{ImageU