Consider the CMOS circuit of Figure 4-40 and the accompanying logic probe indications. What is the most
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Consider the CMOS circuit of Figure 4-40 and the accompanying logic probe indications. What is the most probable circuit fault?
Figure 4-40
Transcribed Image Text:
A B C D 2 4 10 5 Z1 Z1 3 6 3 2 N Z2 All ICs are CMOS Z1: 74HC08 Z2: 74HC02 Condition Pin Z1-1 Pulsing Z1-2 HIGH Z1-3 Pulsing Z1-4 LOW Z1-5 Pulsing Z1-6 LOW Z2-3 Pulsing 72-2 Indeterminate Z2-1 Indeterminate
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All of the NAND gate outputs are correct for the levels present at their inputs The XOR gate however should be producing a LOW at output pin 3 because ...View the full answer
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Related Book For
Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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