Design for Testability | 10. Advanced Topics and Emerging Trends in Design for Testability by Pavan | Learn Smarter
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10. Advanced Topics and Emerging Trends in Design for Testability

The chapter discusses advanced topics and emerging trends in Design for Testability (DFT), with a focus on how traditional techniques are adapting to the complexities of modern electronic systems. It highlights various innovations such as AI-driven test generation, test compression, self-testable systems, and in-system testing, all of which are essential for improving testing efficiency and fault coverage in system-on-chip (SoC) and multi-core processor designs. By embracing these advancements, engineers can better ensure the reliability and maintainability of their designs.

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Sections

  • 10

    Advanced Topics And Emerging Trends In Design For Testability

    This section focuses on advanced techniques and emerging trends in Design for Testability (DFT) which aim to enhance testing efficiency and fault coverage in complex electronic systems.

  • 10.1

    Introduction To Advanced Topics In Design For Testability

    This section introduces emerging trends in Design for Testability (DFT), highlighting advanced techniques to enhance testability in complex electronic systems.

  • 10.2

    Emerging Trends In Design For Testability

    This section discusses emerging trends in Design for Testability (DFT), focusing on AI-driven techniques, test compression, adaptive testing, self-testable systems, and in-system testability.

  • 10.2.1

    Ai-Driven Test Generation And Fault Detection

    This section discusses the integration of AI and ML into design for testability (DFT), focusing on automated test generation and enhanced fault detection.

  • 10.2.1.1

    Automated Test Generation

    Automated Test Generation employs AI to enhance the efficiency and effectiveness of generating test patterns for electronic circuits.

  • 10.2.1.2

    Fault Detection With Machine Learning

    This section discusses the role of machine learning in enhancing fault detection mechanisms in electronic systems.

  • 10.2.1.3

    Predictive Analytics

    Predictive analytics involves using historical data to forecast potential failures and weaknesses in system designs.

  • 10.2.2

    Test Compression And Minimization

    This section discusses test compression and minimization techniques in design for testability, focusing on methods to reduce test data size while maintaining fault coverage.

  • 10.2.2.1

    Test Pattern Compression

    This section discusses test pattern compression techniques that reduce test data size for complex circuit designs, optimizing testing speed and efficiency.

  • 10.2.3

    Adaptive And Reconfigurable Testability

    Adaptive and reconfigurable testability allows electronic systems to modify their testing strategies in real-time to enhance efficiency and fault detection.

  • 10.2.3.1

    Adaptive Scan Chains

    Adaptive scan chains dynamically adjust their configuration for optimized testing efficiency across different fault types.

  • 10.2.3.2

    Reconfigurable Testing

    Reconfigurable testing enhances testability by enabling systems to adjust their testing features dynamically based on current operational states.

  • 10.3

    Advanced Components And Techniques For Enhancing Testability

    This section focuses on advanced fault modeling, test access mechanisms, and power-aware testing techniques that enhance the testability of modern electronic systems.

  • 10.3.1

    Advanced Fault Modeling

    Advanced fault modeling is essential for addressing new failure mechanisms in intricate circuits, focusing on delay faults and their implications in modern designs.

  • 10.3.1.1

    Delay Faults

    Delay faults occur when signals in a circuit do not propagate within the required timing parameters, leading to potential malfunctions.

  • 10.3.1.2

    Transition And Path Delay Faults

    This section discusses transition and path delay faults in complex circuits, emphasizing the significance of advanced fault modeling in detecting and correcting timing-related faults.

  • 10.3.2

    Test Access Mechanisms

    Test access mechanisms (TAM) are crucial for enhancing testability in complex electronic systems, facilitating efficient communication between test equipment and internal components.

  • 10.3.2.1

    Test Access Ports (Tap)

    This section focuses on Test Access Ports (TAP) as a critical mechanism for testing complex electronic systems, highlighting their role in enhanced testability, efficiency, and device management.

  • 10.3.2.2

    Hierarchical Tam

    Hierarchical Test Access Mechanisms (TAM) improve testability in complex SoC designs by facilitating efficient communication between the test equipment and internal components.

  • 10.3.3

    Power-Aware Testing

    Power-aware testing focuses on minimizing power consumption during the testing phase of electronic devices by optimizing test patterns.

  • 10.3.3.1

    Low-Power Test Patterns

    Low-power test patterns are optimized test sequences designed to minimize power consumption during testing phases of electronic systems.

  • 10.3.3.2

    Power Gating During Testing

    Power gating during testing minimizes power consumption in electronic systems by turning off unneeded components, which enhances battery efficiency.

  • 10.4

    Conclusion

    The conclusion emphasizes the rapid evolution of Design for Testability (DFT) techniques to address the complexities of modern electronic systems.

References

eepe-dt10.pdf

Class Notes

Memorization

What we have learnt

  • Traditional DFT techniques ...
  • Emerging trends like AI and...
  • Self-testable and self-heal...

Final Test

Revision Tests