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Write short note on Ring Counter using 'D' FF.
written 7.9 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 7.9 years ago

Mumbai University > COMPS > Sem 3 > Digital Logic Design and Analysis

Marks: 5 M

Year: Dec 2013
digital logic design
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written 7.9 years ago by gravatar for teamques10 teamques10 ★ 65k

1) Logic Diagram:

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2) Timing Diagram:

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3) Working:

  • Assume initially $Q_0, Q_1, Q_2, Q_3 = 0001$. As soon as first clock pulse is applied, as per nature of D F/F the output follows the input. Therefore $Q_0 Q_1 Q_2 Q_3 = 1000$.

  • After the second clock pulse $Q_0 Q_1 Q_2 …

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