Practice Verification Algorithms For Timing Analysis (7.3.2) - Verification Algorithms in VLSI

Practice: Verification Algorithms for Timing Analysis

Lesson 7.3.2Verification Algorithms in VLSI

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9 questions

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4 cards from this section. Quick, good the night before a test.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is slack analysis used for?
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Think about what happens when the actual delay is too long.
Question 2.
What does critical path analysis identify?
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Consider which paths could determine how fast the design operates.
3Question 3.
What is slack analysis used for?
- To confirm operation under functional conditions
- To compare actual delay with required delay
- To improve performance through retiming
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Think about what slack indicates in relation to timing.
4Question 4.
True or False: Critical path analysis identifies paths that can speed up the design.
- True
- False
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Consider the definition of critical paths in terms of performance limitations.
Question 5.
A VLSI circuit has been designed with various signal paths. If path delays are as follows: A (5ns), B (3ns), C (9ns), and D (7ns), identify the critical path and calculate its slack if the required delay is 8ns.
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Examine all paths to find the one with the maximum delay and compare it to the required delay.
Question 6.
Given a design with a negative slack due to the critical path exceeding the prescribed limit, suggest a descending order of methods to alleviate the problem.
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Think about the sequence of adjustments that can lead to improved timing.

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