Edge-triggering vs. two-phase level-clocking

  title={Edge-triggering vs. two-phase level-clocking},
  author={Marios C. Papaefthymiou and Keith H. Randall},
Level-clocked designs that employ a two-phase, nonoverlapping clocking scheme have the theoretical potential to operate up to twice as fast as edge-triggered designs. We have run experiments that demonstrate, however, that edge-triggering is often just as fast as two-phase clocking, and that the speed potential of two-phase clocking is generally not obtained except when the delay between any two consecutive latches is roughly uniform and close to the maximumgate delay. Moreover, our experiments… CONTINUE READING


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