Company Filing History:
Years Active: 2002-2004
Title: Innovations of James S. Ledford
Introduction
James S. Ledford is a notable inventor based in Cedar Park, TX (US). He has made significant contributions to the field of integrated circuits, particularly in the area of Built-In Self-Test (BIST) controllers. With a total of 2 patents, his work has advanced the capabilities of memory testing in electronic devices.
Latest Patents
James S. Ledford's latest patents include innovative designs for integrated circuits that enhance testing efficiency. One of his patents, titled "Multiple level built-in self-test controller and method therefor," describes an integrated circuit featuring a BIST controller with a sequencer. This sequencer provides test algorithm information for multiple memories, allowing for tailored testing based on the specific characteristics of each memory. The flexibility of having multiple memory interfaces enables the implementation of various test algorithms while maintaining a single source for identifying these algorithms. Additionally, the non-volatile memories store timing information related to the test algorithm, which is utilized during the testing process.
Another significant patent by Ledford is "Recording of result information in a built-in self-test circuit and method therefor." This invention also revolves around a BIST controller and sequencer, which identifies and executes test algorithms on multiple memories. The design ensures that pertinent BIST information is stored in a non-user addressable space of the memories when test algorithms fail or complete execution. This innovation further enhances the reliability and efficiency of memory testing in integrated circuits.
Career Highlights
Throughout his career, James S. Ledford has worked with prominent companies in the semiconductor industry. He has held positions at Freescale Semiconductor and Motorola Corporation, where he contributed to various projects related to integrated circuit design and testing. His experience in these companies has allowed him to refine his skills and develop groundbreaking technologies.
Collaborations
James has collaborated with several talented individuals in his field, including Alex S. Yap and Brian E. Cook. These collaborations have fostered innovation and have led to the development of advanced technologies in integrated circuits.
Conclusion
James S. Ledford's contributions to the field of integrated circuits through his patents and career achievements highlight his role as a significant inventor. His work continues to influence the development of memory testing technologies, showcasing the importance of innovation in the semiconductor industry.