David Johnston

Title: The Innovations of David Johnston

Introduction

David Johnston is a notable inventor based in Tavistock, GB. He has made significant contributions to the field of semiconductor memory technology. With a total of two patents to his name, Johnston's work has had a considerable impact on memory design and functionality.

Latest Patents

David Johnston's latest patents include advancements in synchronous memory and semiconductor memories. The synchronous memory patent describes a single port random access memory that features a core of memory cells arranged in rows and columns. The design allows for immediate propagation of address changes to the core, ensuring that selected memory cells connect quickly to sense amplifiers without fixed delays. His semiconductor memory patent, on the other hand, details a ROM-type memory with columns of memory cells, where bitlines are connected to a sense amplifier via multiplexers. This design enhances the efficiency of column selection by utilizing pull-up transistors to connect the bitlines to a charging voltage.

Career Highlights

David Johnston has established himself as a key figure in the semiconductor industry. He works at Mitel Semiconductor Limited, where he continues to innovate and develop new technologies. His expertise in memory design has positioned him as a valuable asset to his company and the broader tech community.

Collaborations

Throughout his career, Johnston has collaborated with talented individuals such as Richard Albon and Alan Martin. These partnerships have fostered an environment of creativity and innovation, leading to the development of cutting-edge technologies in the semiconductor field.

Conclusion

David Johnston's contributions to semiconductor memory technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of memory design and functionality.