Practice Objective(s) (1) - Layout Design and Verification of Basic Combinational CMOS Logic Gates
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Objective(s)

Practice - Objective(s)

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of a Design Rule Check (DRC)?

💡 Hint: Think about the rules we need to follow before manufacturing.

Question 2 Easy

What does LVS stand for?

💡 Hint: Consider what this check compares in the design process.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the function of a NAND gate?

Outputs 1 when both inputs are 0
Outputs 0 when both inputs are 1
Outputs high only when both inputs are high

💡 Hint: Recall the truth table for a NAND gate.

Question 2

True or False: The layout for NAND and NOR gates requires different design rule considerations.

True
False

💡 Hint: Think about how their transistor configurations differ.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a layout for a more complex gate like XOR, ensuring all design rules are adhered to and that common-centroid techniques are applied.

💡 Hint: Consider how the layout would differ in complexity compared to NAND/NOR.

Challenge 2 Hard

Critically analyze the propagation delays obtained from pre-layout and post-layout simulations. Discuss how variations in parasitics influenced these delays.

💡 Hint: Look at different conditions in the layout that could affect performance.

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Reference links

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