CMOS Power Dissipation Quiz

Which type of power dissipation dominates in typical CMOS circuits during active switching?

• Static power

• Dynamic power

• Leakage power

• Thermal power

What causes short-circuit power dissipation in a CMOS inverter?

• Reverse-biased junction leakage

• Gate oxide tunneling

• Simultaneous conduction of PMOS and NMOS during transition

• High resistance in metal lines

Which factor does dynamic power dissipation not directly depend on?

• Supply voltage (V_DD)

• Capacitance

• Operating frequency

• Threshold voltage

Which of the following is a technique used to reduce leakage power in CMOS circuits?

• Clock gating

• Voltage scaling

• Power gating

• Increasing frequency

Subthreshold leakage current flows when:

• Both transistors are OFF

• Gate voltage is above threshold

• Gate voltage is below threshold

• During short-circuit conduction