Half Subtractor

Half Subtractor – Interactive
Set A and B and observe the Difference (D) and Borrow (Bout).
Input A: 0
Input B: 0
Difference (D): 0
Borrow (Bout): 0
Circuit Diagram
D = A ⊕ B, Bout = A̅ · B.
Timing Diagram
Four input combinations over time: t₀ → t₁ → t₂ → t₃.
t₀ (0,0) t₁ (0,1) t₂ (1,0) t₃ (1,1) A B D B
Current: t₀ (A=0, B=0, D=0, B=0)

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