Wu-Chang Chang

Title: Innovations of Wu-Chang Chang

Introduction

Wu-Chang Chang is a prominent inventor based in Hsinchu County, Taiwan. He has made significant contributions to the field of electronics, holding a total of nine patents. His work focuses on enhancing the functionality and efficiency of electronic components.

Latest Patents

One of his latest patents is a "Level shifter with voltage stress durability and method for driving the same." This invention includes a cross-coupled transistor pair, first through third biased transistor pairs, and a differential input pair that are sequentially coupled in series. It also features a sub level shifter that generates differential control voltages based on differential input voltages and reference voltages. The level shifter outputs a pair of differential output voltages through inverted and non-inverted output terminals.

Another notable patent is the "Charge pump circuit with low reverse current and low peak current." This charge pump circuit consists of a voltage input port, a voltage output port, and multiple charge pump units cascaded between these ports. It utilizes a clock signal source and clock delay elements to generate complementary clock signals, enhancing the efficiency of the charge pump units.

Career Highlights

Wu-Chang Chang is currently employed at Ememory Technology Inc., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of electronic devices.

Collaborations

He has collaborated with notable coworkers, including Cheng-Te Yang and Liang-Hsiang Chiu, contributing to various projects and innovations within the company.

Conclusion

Wu-Chang Chang's contributions to the field of electronics through his patents and work at Ememory Technology Inc. highlight his role as a leading inventor in the industry. His innovative designs continue to influence the development of electronic components and systems.