Xinghao Chen

Title: **Innovative Contributions of Inventor Xinghao Chen**

Introduction

Xinghao Chen, an accomplished inventor based in Endwell, NY, has made significant strides in the field of integrated circuit design and testability with a notable portfolio of five patents. His innovative methods focus on enhancing the testability of integrated circuits, making them invaluable in the field of electronic design automation.

Latest Patents

One of Xinghao Chen's latest patents describes a "Spectral and information theoretic method of test point, partial-scan, and full-scan flip-flop insertion to improve integrated circuit testability." This invention introduces advanced Design for Testability (DFT) algorithms that utilize both gradient descent and linear programming (LP) techniques to optimally insert test points and scanned flip-flops within large circuits. The algorithms assess the testability of circuits by employing probabilities derived from logic simulations, alongside Shannon's entropy measure and spectral analysis. By analyzing the toggling rates of flip-flops through digital signal processing methods, the invention reduces the additional hardware required for test points and scan flip-flops while maintaining information flow maximization through the circuits under test.

Moreover, Chen's patent on "Scan-load-based dynamic scan configuration" focuses on reconfiguring scan structures through a novel scan-load operation. This eliminates the need for interconnect networks that distribute configuration signals. His architecture supports reconfigurable scan cells, ensuring compatibility for applications in ASIC implementations. The process uses a configuration-set signal to control data flow and enhance the efficiency of configuration data capture.

Career Highlights

Xinghao Chen has gained extensive experience through his contributions at esteemed organizations such as Cadence Design Systems, Inc. His work reflects a profound understanding of integrated circuit design, particularly in improving testability through innovative methodologies.

Collaborations

Throughout his career, Chen has collaborated with talented individuals like Joseph C. Watkins and Yanbo Tian. These partnerships have contributed to his accomplishments and the development of pioneering technology in the field.

Conclusion

Xinghao Chen's inventive approaches have significantly advanced integrated circuit testability, leading to more efficient designs and reduced hardware requirements. With a focus on utilizing information theory and advanced algorithms, his patents depict a commitment to enhancing the future of electronic design automation. His contributions continue to influence the industry, showcasing the importance of innovation in technology.