Patents by Inventor Matthew D. Affeldt

Matthew D. Affeldt 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).

  • Hierarchically aware interior pinning for large synthesis blocks
    Patent number: 10157255
    Abstract: A system and a computer implemented method for interior pinning in a macro block of an integrated circuit are provided. The method includes receiving child level information of the macro block including at least a location of a logic leaflet, receiving parent level information including at least edge direction information for pin connection and routing resource values of each slot of the macro block at each metal layer, and selecting a pin location based on the child level information and the parent level information.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 18, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Matthew D. Affeldt, Christopher J. Berry, Randall J. Darden, Shyam Ramji, Eddy St. Juste
  • HIERARCHICALLY AWARE INTERIOR PINNING FOR LARGE SYNTHESIS BLOCKS
    Publication number: 20180082008
    Abstract: A system and a computer implemented method for interior pinning in a macro block of an integrated circuit are provided. The method includes receiving child level information of the macro block including at least a location of a logic leaflet, receiving parent level information including at least edge direction information for pin connection and routing resource values of each slot of the macro block at each metal layer, and selecting a pin location based on the child level information and the parent level information.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 22, 2018
    Inventors: Matthew D. Affeldt, Christopher J. Berry, Randall J. Darden, Shyam Ramji, Eddy St. Juste
  • Hierarchically aware interior pinning for large synthesis blocks
    Patent number: 9910952
    Abstract: A system and a computer implemented method for interior pinning in a macro block of an integrated circuit are provided. The method includes receiving child level information of the macro block including at least a location of a logic leaflet, receiving parent level information including at least edge direction information for pin connection and routing resource values of each slot of the macro block at each metal layer, and selecting a pin location based on the child level information and the parent level information.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: March 6, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Matthew D. Affeldt, Christopher J. Berry, Randall J. Darden, Shyam Ramji, Eddy St. Juste
  • HIERARCHICALLY AWARE INTERIOR PINNING FOR LARGE SYNTHESIS BLOCKS
    Publication number: 20180004885
    Abstract: A system and a computer implemented method for interior pinning in a macro block of an integrated circuit are provided. The method includes receiving child level information of the macro block including at least a location of a logic leaflet, receiving parent level information including at least edge direction information for pin connection and routing resource values of each slot of the macro block at each metal layer, and selecting a pin location based on the child level information and the parent level information.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 4, 2018
    Inventors: Matthew D. Affeldt, Christopher J. Berry, Randall J. Darden, Shyam Ramji, Eddy St. Juste