Xiaozhen Guo

Title: Innovations of Xiaozhen Guo

Introduction

Xiaozhen Guo is an accomplished inventor based in Sunnyvale, California. He has made significant contributions to the field of electronics, particularly in memory array technologies. With a total of two patents to his name, Guo's work showcases his expertise and innovative spirit.

Latest Patents

One of Xiaozhen Guo's latest patents is a voltage regulator for a write/read assist circuit. This invention features a push-pull voltage regulator designed to selectively provide power to used portions of a memory array. The regulator includes a voltage-up regulator that supplies a reference voltage to an SRAM array and a voltage-down regulator that manages the removal of excess charge from the SRAM array. The voltage-down regulator is composed of multiple amplifier stages, inverters, a gain amplifier, a biasing transistor, and an NMOS drainage transistor. When activated, the NMOS drainage transistor effectively transfers excess charge from the SRAM array to ground.

Another notable patent focuses on minimizing the effect of clock skew in a precharge circuit. This system incorporates a switch connected between an input to the precharge circuit and a global bitline, along with a control circuit that manages the activation of both the switch and the precharge component. The method involves controlling the output of signals based on various inputs, including a clock signal, select signal, and dynamic signal.

Career Highlights

Xiaozhen Guo has worked with prominent companies in the tech industry, including Oracle America, Inc. and Sun Microsystems, Inc. His experience in these organizations has contributed to his development as an inventor and innovator in the field.

Collaborations

Throughout his career, Guo has collaborated with talented individuals such as Heechoul Park and Jungyong Lee. These partnerships have likely enriched his work and led to further advancements in technology.

Conclusion

Xiaozhen Guo's contributions to the field of electronics through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the development of memory array systems and precharge circuits.