7.4.1. Delay Analysis

Try these first

1. 1.

   What is gate delay?

   Hint

   Think about the timing of signals at the gates.

2. 2.

   Which factor does NOT influence gate delay?

   Hint

   Consider what physical characteristics of the gate would affect speed.

3. 3.

   What primarily determines the gate delay in a CMOS circuit?

   • Transistor width
   • Resistance in the circuit
   • Both transistor width and load capacitance

   Hint

   Consider the factors that change how quickly a charge can move.

4. 4.

   Total delay in a CMOS circuit is calculated by summing up which components?

   Hint

   Think about how signals travel from one gate to another.

5. 5.

   Calculate the total delay for a circuit with four gates having delays of 1 ns, 3 ns, 2 ns, and 4 ns respectively.

   Hint

   Add all gate delays together.

6. 6.

   How would doubling the load capacitance in a circuit influence its timing requirements if initially the delay was 3 ns?

   Hint

   Consider how load capacitance directly affects the rate of signal changes.