In Figure 8-44, a logic probe indicates that the lower end of the pull-up resistor is stuck
Question:
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.
(c) There is a break in the connection from RP to the CMOS gate.
Figure 8-44
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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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