Question: A B -S Cin Assume we are using the following full-adder block: Cout Assume the following propagation delays for the following gates: XOR: 0.8 ns

A B -S Cin Assume we are using the following full-adder

A B -S Cin Assume we are using the following full-adder block: Cout Assume the following propagation delays for the following gates: XOR: 0.8 ns AND: 0.5 ns OR: 0.6 ns If we use this full-adder block in a 4b ripple carry adder (RCA), what is the total propagation delay of the RCA? Assume the RCA has inputs A3-AO, B3-BO, CIN and outputs COUT and S3-SO

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