Practice Limited Fault Coverage For Complex Faults (4.5.2) - Built-in Self-Test (BIST) Techniques

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10 questions

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

Question 1.
What is meant by 'fault coverage' in BIST?
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Consider how many faults can be caught.
Question 2.
What is a stuck-at fault?
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Think about how a switch would stay in one position.
3Question 3.
What is fault coverage in BIST?
- Percentage of detected faults
- Number of test patterns
- Type of faults detected
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Focus on what percentage relates to detection.
4Question 4.
BIST is particularly poor at detecting which type of faults?
- True
- False
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Consider what BIST excels at versus where it fails.
Question 5.
Design a BIST system model that can handle unknown faults. Which components would you integrate to enhance its effectiveness?
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Think about how AI can help with learning over time.
Question 6.
Evaluate a scenario where a BIST system has missed an unknown fault leading to a product failure. How would you redesign the test process to ensure better detection?
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Consider the importance of feedback in improving performance.

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