Practice Post-Layout Simulation - 2.6 | Lab Module 7: Layout Design and Verification of Basic Combinational CMOS Logic Gates | 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 parasitic extraction in post-layout simulation?

💡 Hint: Think about what could affect performance.

Question 2

Easy

Define propagation delay.

💡 Hint: Consider the process of a gate changing its output.

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 main purpose of post-layout simulation?

  • To verify schematic connections only
  • To assess circuit performance including parasitics
  • To document design errors

💡 Hint: Think about what you learned about the effect of layout.

Question 2

True or False: Parasitic extraction is performed after the layout has been created.

  • True
  • False

💡 Hint: When do we add parasitics to the simulation?

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a NAND gate that has shown a 50% delay increase due to parasitic effects, suggest three design improvements that could help reduce this delay in future iterations.

💡 Hint: Consider layout changes that minimize the impact of parasitics.

Question 2

Analyze how the propagation delay in an XOR gate could be affected differently than in a basic NAND gate during post-layout simulation with parasitics accounted for.

💡 Hint: Think about the number of transistors and their arrangement in each gate.

Challenge and get performance evaluation