Jijun Chen

Title: Innovations of Jijun Chen in Timing Analysis

Introduction

Jijun Chen is a notable inventor based in San Jose, California, recognized for his contributions to the field of timing analysis in circuit design. With a total of five patents to his name, Chen has made significant advancements that enhance the efficiency and accuracy of timing analysis processes.

Latest Patents

One of Chen's latest patents is focused on using waveform propagation for accurate delay calculation. This innovation allows for accurate timing analysis during static timing analysis (STA) by utilizing detailed waveform information alongside traditional slew information. The invention includes a waveform memory system that efficiently stores detailed waveforms used in timing analysis for circuit designs. This system enables the compression, storage, decompression, and retrieval of waveforms, providing storage efficiencies through long-term and short-term storage areas, multi-level storage, and separate storage for each evaluated view during STA.

Another significant patent by Chen is related to view data sharing for efficient multi-mode multi-corner timing analysis. This system and method allow for the simultaneous analysis of multiple views or conditions, improving runtime by leveraging common analysis steps across different corners. By clustering views based on their similarities, the invention facilitates shared calculations and tasks during timing analysis, ensuring that each net in the design is thoroughly analyzed for each view.

Career Highlights

Jijun Chen is currently employed at Cadence Design Systems, Inc., where he continues to innovate in the field of electronic design automation. His work has been instrumental in advancing the methodologies used in timing analysis, making significant contributions to the efficiency of circuit design processes.

Collaborations

Chen collaborates with talented individuals in his field, including Igor Keller and Joel Reuben Phillips. These partnerships enhance the innovative environment in which he works, fostering the development of cutting-edge technologies.

Conclusion

Jijun Chen's contributions to timing analysis through his patents demonstrate his commitment to innovation in circuit design. His work not only improves the accuracy of timing analysis but also enhances the efficiency of the processes involved.