6.2.3. Truth Table of the CMOS Inverter

Try these first

1. 1.

   What is the output of a CMOS inverter when the input is 0?

   Hint

   Think about what inversion means.

2. 2.

   What is the output of a CMOS inverter when the input is 1?

   Hint

   Remember the definition of an inverter.

3. 3.

   What is the output of a CMOS inverter when the input is high?

   • 0
   • 1
   • High

   Hint

   Consider what inversion means.

4. 4.

   The truth table for a CMOS inverter shows an output of 1 for which input?

   • True
   • False

   Hint

   Think about the inverter's job.

5. 5.

   Design a digital circuit using two CMOS inverters. What will be the overall output if the input to the first inverter is 1?

   Hint

   Follow the flow of inputs through the inverters.

6. 6.

   Explain how power consumption in a CMOS inverter can affect larger digital systems.

   Hint

   Consider the implications of conserving energy versus performance demands.