8.2. Common Design for Testability (DFT) Techniques

Try these first

1. 1.

   What does DFT stand for?

   Hint

   Think about what it means to design systems that are easier to test.

2. 2.

   Name one advantage of Built-In Self-Test.

   Hint

   Consider scenarios where external equipment might not be available.

3. 3.

   What is a primary purpose of Scan-Based Testing?

   • To increase manufacturing speed
   • To enable easier testing of internal signals
   • To reduce physical size

   Hint

   Consider what 'scan' refers to in a testing context.

4. 4.

   BIST allows systems to test themselves. True or False?

   • True
   • False

   Hint

   Think about scenarios where external testing might not be possible.

5. 5.

   Discuss the trade-offs of implementing BIST in a critical embedded system environment. Consider aspects such as overhead, testing accuracy, and real-time applications.

   Hint

   Focus on the balance between benefits and potential drawbacks in real-time settings.

6. 6.

   Design a scenario where Scan-Based Testing outperforms traditional debugging methods. Enumerate the advantages in detail.

   Hint

   Think about efficiency and time savings in fast-paced production environments.