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Latches and Flip Flops

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<strong>Flip</strong> <strong>Flops</strong><br />

@ P. Klimo<br />

<strong>Flip</strong> <strong>Flops</strong> (FF) – Synchronous Devices.<br />

With FF, the transitions to the next state are synchronised with a clock (rising or<br />

falling ) edges.<br />

D <strong>Flip</strong> Flop:<br />

Figure 10: Symbol of a Negative (or Falling) Edge D <strong>Flip</strong>-Flop<br />

Figure 11: Implementation of a Negative Edge Master-Slave D <strong>Flip</strong>-Flop.<br />

Timing Diagram of the M-S D <strong>Flip</strong>-Flop<br />

8

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