English: A way of making an XNOR gate from only NOR gates, using the expression . This construction has a propagation delay 3 times that of a single gate and uses 5 gates. This is worse than an equivalent design using 4 gates
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Better proportionality. This and previous version were uploaded by me because inverting the B input of XOR from NOR is a more common and simpler solution than inverting the output.
{{Information |Description={{en|1=A wayt of making an en:XNOR gate from only en:NOR gates. This design has a propagation delay 4 times that of a single gate. This is worse than an equivalent design using 4 gates (which