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32-bit [ripple carry] adder, there are 32 full adders, so the critical path (worst case) delay is 31 * 2(for carry propagation) + 3(for sum) = 65 gate delays. how ?

note :I know in full adder there are two XOR two AND and 1 OR gate
well know about diagram
in Digital Logic by Active (1.8k points) | 257 views

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