Practice - Basic Structure of Scan Chains
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Practice Questions
Test your understanding with targeted questions
What is the purpose of Scan-In in a scan chain?
💡 Hint: Think about where data enters during testing.
Name one of the components of a scan chain.
💡 Hint: Consider the building blocks we discussed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of Scan-In?
💡 Hint: Think about what data you put into the system.
True or False: The Scan Enable signal is used to switch between normal and test modes.
💡 Hint: Consider how you toggle operations.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a simple scan chain consisting of four flip-flops. Explain how you would connect the Scan-In and Scan-Out, and describe the role of the Scan Enable signal.
💡 Hint: Think about the flow of data through the flip-flops.
Explain the potential drawbacks of having a very long scan chain in terms of power consumption and testing efficiency.
💡 Hint: Consider both operational and design perspectives.
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