In Figure 8-44, a logic probe indicates that the lower end of the pull-up resistor is stuck

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In Figure 8-44, a logic probe indicates that the lower end of the pull-up resistor is stuck in the LOW state. Which of the following is the possible fault?

(a) The TTL gate’s current-sourcing transistor is open.

(b) The TTL gate’s current-sinking transistor has a collector–emitter short.

Figure 8-44

+5 V TTL 10 CMOS

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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 09:26 AM

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In Figure 8-44, a logic probe indicates that the lower end of the pull-up resistor is stuck

Question:

+5 V TTL 10 ΚΩ CMOS

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Fault Analysis of Figure 844 Fault a Can If the TTL gates currentsourcing transistor is open the out...View the full answer

Digital Systems Principles And Application

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