Tuesday 24 May 2016

Inputs for flipflops sequential circruits


Not very sure if these inputs are correct before i draw my truth table. Too many lines and i am confused.


JA = QB = KA = B KA = B DB = D' TC = 0


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Answer



Try using Q(t) and Q(t+1) while writing your state equations to avoid confusion. Also just use QA and QB(and their complements if necessary) instead of using "A" and "B" as outputs.


Hope this helps you:



JA(t) = KA(t) = QB(t)


QA(t+1) = (QA(t)' AND JA(t)) + (QA(t) AND KA(t)')


DB(t) = QB(t)'


QB(t+1) = DB(t)


TC(t) = 0


QC(t+1) = QC(t)


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