Patents by Inventor Craig A. Borup

Craig A. Borup 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).

  • Circuit for enabling a cache using a flush input to circumvent a late noncachable address input
    Patent number: 5097532
    Abstract: A circuit for generating a synchronized flush signal for use with a cache controller which samples the noncachable address input too late for that input to be used to disable the cache controller is described. The circuit synchronizes a memory-mapped register bit with the internal clock signal in the cache controller to insure setup and hold times and proper phasing. The use of the synchronized flush signal overcomes coherency problems with the noncachable input.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: March 17, 1992
    Assignee: Compaq Computer Corporation
    Inventors: Craig A. Borup, Joseph P. Miller