Truth Table
H = HIGH Level, L = LOW Level
Input conditions at A1, B1, A2, B2, and C0 are used to determine outputs ∑1 and ∑2 and the value of the internal carry C2. The values at C2, A3, B3, A4, and
B4 are then used to determine outputs ∑3, ∑4, and C4.
Logic Diagram
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