Patents by Inventor James C. Weldon

James C. Weldon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • I/O cell ESD system
    Patent number: 7446990
    Abstract: An ESD protection system for I/O cells of an integrated circuit. The I/O cells of a bank of cells include a first type of I/O cells having ESD trigger circuits and a second type of I/O cells having ESD clamp devices. In one embodiment, the ESD trigger circuits of the first type are located at the same area of an active circuitry floor plan as the area in the floor plan for the ESD clamp devices of the I/O cells of the second type.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: November 4, 2008
    Assignee: Freescale Semiconductor, Inc.
    Inventors: James W. Miller, Michael G. Khazhinsky, Michael Stockinger, James C. Weldon