The circuit of Figure 8-61 is used to provide the enable inputs for the circuit of Figure

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The circuit of Figure 8-61 is used to provide the enable inputs for the circuit of Figure 8-37.

(a) Determine which of the data inputs (A, B, or C) will appear on the bus for each combination of inputs x and y.

(b) Explain why the circuit will not work if the NOR is changed to an XNOR.

Figure 8-61

X y TE TO EA TO EB To Ec

Figure 8-37

Input A Input B Common bus VDD 0 VDD 0 VDD 0 VDD 2

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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Question Posted: Nov 16, 2023 07:50 AM

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The circuit of Figure 8-61 is used to provide the enable inputs for the circuit of Figure

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X y TE TO EA TO EB To Ec

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Digital Systems Principles And Application

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