Practice Scan-based Testing (8.2.1) - Design for Testability Strategies
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Scan-Based Testing

Practice - Scan-Based Testing

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a scan chain?

💡 Hint: Think about how signals travel through circuits!

Question 2 Easy

Name one type of fault that scan-based testing can detect.

💡 Hint: Consider how a signal might behave incorrectly.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does scan-based testing primarily aim to improve?

Cost Reduction
Fault Coverage
Performance

💡 Hint: Think about what testing focuses on enhancing.

Question 2

True or False: Scan mode provides access to internal state without the need for physical access.

True
False

💡 Hint: Reflect on the difference scan mode makes.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a complex digital system where scan-based testing has been implemented. Discuss how you would design the scan chain to ensure the maximum fault coverage and minimal overhead.

💡 Hint: Think about how to integrate testability features with minimal disruption.

Challenge 2 Hard

How would you address the power consumption challenges associated with scan-based testing while maintaining effective fault coverage?

💡 Hint: Reflect on ways to reduce power during test phases.

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