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Digital logic (gates / K-map / truth table) templates

Physics — 1-bit Equality Comparator

An XNOR gate detects when two bits are equal.

Template previewDigital logic (gates / K-map / truth table)
1-bit equality comparatorABEQAeqBEvaluated: 2 inputs, 1 output, 4 rows — AeqB = ¬(A ⊕ B).AeqB = ¬(A ⊕ B)

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title "1-bit equality comparator"
type gates
input A at (0,0)
input B at (0,3)
gate XNOR EQ at (4,1.5)
output AeqB at (8,1.5)
wire A EQ
wire B EQ
wire EQ AeqB