30. In the following digital circuit, let A-B C-0 until time t 0. and remain in that state. What is the propagation delay of

30. In the following digital circuit, let A-B C-0 until time t 0. and remain in that state. What is the propagation delay of the following circuit if the propagation delay for each gate is as table below. (You may assume the delay of signal propagation in wires is negligible.) t = 0, all the inputs flip 2-input AND 3-input AND 2-input OR 2-input XOR 20 ns 30 ns 50 20 ED ED A A) 100 ns B) 50 ns C) 110 ns D) 110 ns E) None



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