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Design of Datapath elements in Digital Circuits Debdeep Mukhopadhyay IIT Madras
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What is datapath? Suppose we want to design a Full Adder (FA): – Sum=A ^ B ^ CIN = Parity(A,B,CIN) – COUT=AB+ACIN+BCIN=MAJ(A,B,CIN) Combine the two functions to a single FA logic cell: ADD(A[i],B[i],CIN,S[i],COUT) How do we build a 4-bit ripple carry adder?
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