Practice Post-layout Simulation (2.6) - Layout Design and Verification of Basic Combinational CMOS Logic Gates
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Post-Layout Simulation

Practice - Post-Layout Simulation

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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?

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

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