Practice - How Scan Chains Work
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Practice Questions
Test your understanding with targeted questions
What is a scan chain?
💡 Hint: Think about how flip-flops are connected.
What does scan mode replace in a circuit?
💡 Hint: Consider what testing replaces in a circuit.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What happens during the test phase regarding data?
💡 Hint: Think about what the scan chain allows during testing.
True or False: The scan chain can help detect stuck-at faults.
💡 Hint: Recall what types of faults are indicated by test patterns.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a small digital circuit that utilizes a scan chain. Explain how you would implement test vectors and what faults you would expect to catch.
💡 Hint: Think about how each part of the circuit interacts with the test patterns.
Consider a scenario where a scan chain fails to detect certain delayed signals in high-speed applications. How might you enhance fault coverage in this situation?
💡 Hint: Reflect on the limitations of scan chains in complex systems and consider supplementary strategies.
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