1. A MOD - 2 counter, the FF has a tpd = 60 nsec. The NOR gate has a tpd of 30 nsec. The clock frequency is
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By: guest on 02 Jun 2017 12.56 am
Clock period should be greater than or equal tpd MOD-12 → X FF = 4 x 60 = 240 n sec tpd of NOR gate = 30 n sec Total = 240 + 30 ⇒ 270 n sec .