Practice Procedure - 4.6.2 | Lab Module 3: CMOS Inverter Switching Characteristics & Delay Analysis | VLSI Design Lab
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a transient simulation in this module?

💡 Hint: Focus on the timing aspect of circuit performance.

Question 2

Easy

Name one factor that affects propagation delay.

💡 Hint: Think about what influences the speed of the circuit.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary purpose of performing transient simulations of a CMOS inverter?

  • To measure only static power
  • To analyze the dynamic behavior
  • To determine the schematic layout

💡 Hint: Think about what aspect of circuit behavior contributors look at during testing.

Question 2

The propagation delay increases with higher load capacitance.

  • True
  • False

💡 Hint: Remember how capacitance works related to charging times.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a CMOS inverter that initially has a propagation delay of 15 ps at a load of 50 fF, how would you adjust load capacitance to achieve a propagation delay of 30 ps? Provide detailed reasoning.

💡 Hint: Consider simulations that test various load capacitance values.

Question 2

A balanced CMOS inverter has WN of 0.5 μm and WP of 1.0 μm with observed delays tpHL = 25 ps and tpLH = 35 ps. Propose a design adjustment to better balance delays.

💡 Hint: Think about how adjusting width ratios impacts performance.

Challenge and get performance evaluation