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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
11.16Â Â Â Analyze the latch circuit shown.
(a)Â Â Derive the next-state equation for this circuit using Q as the statevariable and Pas an output.
(b)Â Â Construct the state table and output table for the circuit. Circle the stable states of the circuit.
(c)Â Are there any restrictions on the allowable input combinations onA and B? Explain your answer.
(d)Â Â Is the output P usable as the complement of Q?Verify your answer.
Â
A
BÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Q
Â
Â
Â
p
Â
11.17Â Â Â Derive the characteristic equations for the following latches and flip-flops in product-of-sums form.
(a)Â Â S-R latch or flip-flop
(b)Â Â Gated D latch
(c)Â Â D flip-flop
(d)Â Â D-CE flip-flop
(e)Â Â J-K flip-flop
(f)Â T flip-flop
Â
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