Discussion
The power dissipation, PD, of a logic gate is the product of the ________.
Answer: B
Correct answer: dc supply voltage and the average supply current
Power dissipation is
\[ P_D = V_{CC}\times I_{CC(avg)} \]
The average current is used because the current drawn varies as the gate switches; the peak value would overstate the power, and the supply is dc, not ac.
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