Patents by Inventor Jeffrey Hubert Sloan

Jeffrey Hubert Sloan 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).

  • Input/output circuit having up-shifting circuitry for accommodating different voltage signals
    Patent number: 6353524
    Abstract: The invention comprises an input/output circuit of an integrated circuit chip that includes a pad, a protection circuit connected to the pad, and an up-shift circuit connected to the pad and the protection circuit. The up-shift circuit provides a DC bias voltage to signals received by the pad to protect the protection circuit. With the invention, the protection circuit includes only single gate-oxide devices.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: March 5, 2002
    Assignee: International Business Machines Corporation
    Inventor: Jeffrey Hubert Sloan