Logic Families and Their Characteristics - Technical MCQs
Q1: Why is the operating frequency for CMOS devices critical for determining power dissipation?A
At low frequencies, power dissipation increases.
B
At high frequencies, the gate will only be able to deliver 70.7 % of rated power.
C
At high frequencies, charging and discharging the gate capacitance will draw a heavy current from the power supply and thus increase power dissipation.
D
At high frequencies, the gate will only be able to deliver 70.7 % of rated power and charging and discharging the gate capacitance will draw a heavy current from the power supply and thus increase power dissipation.
ANS:C - At high frequencies, charging and discharging the gate capacitance will draw a heavy current from the power supply and thus increase power dissipation. No answer description is available. |
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