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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Refer to the IC counter circuit in Figure 7-100(a).
(a) Draw the timing diagram for outputs QD QC QB QA.
(b) What is the counter’s modulus?
(c) What is the count sequence? Does it count up or down?
(d) Can we produce the same modulus with a 74HC190? Can we produce the same count sequence with a 74HC190?

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