Patents by Inventor M. Clifford Biggers

M. Clifford Biggers 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).

  • IC input circuitry programmable for realizing multiple functions from a single input
    Patent number: 4721868
    Abstract: A single, programmable, multifunctional input circuit scheme for integrated circuit chips is disclosed. An input pin is provided with selectable input logic circuit blocks, each capable of providing an input signal to another circuit in the integrated circuit system architecture. The user of the chip is provided with means for programming said pin to select one of said logic circuit blocks, whereby each said pin has multifunction capability.
    Type: Grant
    Filed: September 23, 1986
    Date of Patent: January 26, 1988
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Barry S. Cornell, M. Clifford Biggers