David Cashman

David Cashman: Innovator in Programmable Logic Devices

Introduction:

David Cashman is an accomplished inventor based in Toronto, CA. With 22 patents to his name, Cashman has made significant contributions to the field of programmable logic devices (PLDs). His latest patents, specifically focusing on structures for LUT-based arithmetic in PLDs, have demonstrated his expertise in this area. Let's take a closer look at his career, latest patents, notable collaborations, and overall contributions to the field.

Latest Patents:

Cashman's recent patents highlight his innovative work in the development of structures for LUT-based arithmetic in PLDs. These programmable logic devices consist of logic array blocks (LABs) interconnected with a PLD routing architecture. One key aspect is the integration of logic elements (LEs) that can arithmetically combine binary input signals in multiple stages.

One notable patent describes a K-input Look-Up Table (K-LUT) logic cell within a LAB. The K-LUT receives binary input signals and provides binary result signals at its outputs, representing various stages of the arithmetic combination. These structures offer efficient arithmetic computation while also supporting non-arithmetic functions within PLDs.

Methods and apparatus for providing redundancy on multi-chip devices are another area of Cashman's recent inventions. His patents detail techniques to incorporate spare logic regions and interconnects within multi-chip packages. By forming logic groups and evaluating their functionality, defective logic groups can be identified and repaired. This approach ensures optimum performance and reliability in multi-chip devices.

Career Highlights:

David Cashman has made significant contributions to the field of PLDs throughout his career. Working at Altera Corporation, a prominent technology company in the field of programmable logic devices, he has played a pivotal role in developing innovative solutions. Altera Corporation is a recognized industry leader, known for its exceptional contributions to programmable logic technologies.

Collaborations:

During his career, Cashman has had the opportunity to collaborate with talented individuals, including David Lewis and Andy Louie Lee. These collaborations have further enhanced his expertise and expanded his network within the industry. Working with experts who share a common passion for innovation and patents has undoubtedly influenced his career trajectory and overall success.

Conclusion:

David Cashman's impressive portfolio of 22 patents, particularly in the field of programmable logic devices, showcases his expertise as an innovator. His recent work in structures for LUT-based arithmetic in PLDs and methods for providing redundancy on multi-chip devices demonstrates his commitment to technological advancements and improving the functionality of these devices. With a successful career at Altera Corporation and collaborations with esteemed colleagues, Cashman continues to make substantial contributions to the field of programmable logic devices and remains an influential figure in the industry.