Repeat Problem, assuming that the circuit consists of two copies of the circuit in Figure with input X of the second circuit copy driven by output Y of the first circuit copy.
Figure Circuit for Problem
Problem
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*A sequential circuit is shown in Figure. The timing parameters for the gates and flip-flops are as follows:
(a) Find the longest path delay from an external circuit input passing through gates only to an external circuit output.
(b) Find the longest path delay in the circuit from an external input to positive clock edge.
(c) Find the longest path delay from positive clock edge to output.
(d) Find the longest path delay from positive clock edge to positive clock edge.
(e) Determine the maximum frequency of operation of the circuit in megahertz (MHz).
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