Recall what a Comparator is...

Equality comparator.

A AeqB

B

N

N

A=B if A(0) = B(0) and A(1) = B(1) … and A(n-1)=B(n-1)

Recall that “xnor” function is ‘1’ if A=0, B=0 or A=1, B=1!So AeqB is:

AeqB = (A(0) xnor B(0)) and (A(1) xnor B(1)) and ….etc.

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