Practice Introduction To Scan Chains And Serial Testing (5.1)

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6 sample questions

Question 1.
What is a scan chain?
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Think about how we might connect components in a sequence.
Question 2.
What type of faults can serial testing detect?
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Consider where signals might not change as expected.
3Question 3.
What is the main purpose of a scan chain?
- To create a communication path
- To enable testability of internal circuits
- To enhance circuit performance
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Think about what makes testing easier.
4Question 4.
Serial testing can only detect which type of faults?
- True
- False
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Recall the different faults mentioned.
Question 5.
Analyze a digital circuit design that uses scan chains. Identify potential downsides of its use and suggest improvements.
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Consider what you know about design overhead.
Question 6.
Propose a serial testing strategy for a complex SoC. Explain how you would ensure thorough fault detection.
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Think about what makes fault detection comprehensive.

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