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Initially all inputs are reset to 0 and are applied for 100 ns each to give suffient time for the outputs to be stable. Then, the inputs, as mentioned in the problem are applied (after 100ns).
We observe, output Z4 is available after 150ns, that is 50ns after the given inputs were applied, therefore overall outputs become stable after 50 ns.

Circuit info


Created on: 02 Mar 2017
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