Question: A certain logic circuit is powered from 3.0 V. It has a quiescent current of 120 nA, and an equivalent capacitance in the circuit of

A certain logic circuit is powered from 3.0 V. It has a quiescent current of 120 nA, and an “equivalent capacitance” in the circuit of 56 pF. Applying Eq. (15.1), what is its current consumption when the clock frequency is 1 kHz, 1 MHz, and when it is not clocked at all?

IT = IQ+ {VDD XfCeq} (15.1)

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