Patents by Inventor Wen-Chi Feng

Wen-Chi Feng 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).

  • Patent number: 11966677
    Abstract: A method is disclosed. The method includes computing a time delay for each path of a plurality of paths of a circuit design and determining a commonality score based on a number of segments that are common between the plurality of paths of the circuit design. The method further includes determining a criticality score based on the time delay for each path of the plurality of paths of the circuit design. The method further includes generating a graphical representation of the plurality of paths, wherein a first dimension of the graphical representation corresponds to the commonality score and wherein a second dimension of the graphical representation corresponds to the criticality score. The method further includes providing the graphical representation of the plurality of paths in a graphical user interface (GUI) to represent the plurality of paths in the circuit design.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: April 23, 2024
    Assignee: SYNOPSYS, INC.
    Inventors: Melvyn Goveas, Ribhu Mittal, Wen-Chi Feng, Yanhua Yi
  • Patent number: 8943452
    Abstract: A computer-implemented method for debugging the power aspect of an IC design by integrating the power specification expressed in certain power specification format and its corresponding circuit design within a power schematic diagram called power map. Power map is created by using a power data base generated by regrouping the original circuit design hierarchy to new hierarchies defined by the power specification. Power map contains power cell symbols (such as isolation cells, level shifters, power switches) and signal nets, and can show the relationship between power domains. Power map can also display mismatches or errors between the power specification and the circuit design for those signals connecting the power domains. Furthermore, power map can be used in conjunction with simulation result.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: January 27, 2015
    Assignee: Synopsys Taiwan Co., Ltd.
    Inventors: Chih-Neng Hsu, I-Liang Lin, Wen-Chi Feng
  • Publication number: 20140013293
    Abstract: Power information associated with an IC design is displayed graphically and hierarchically using a power map, thereby providing an intuitive way for describing the power distribution among various power domains of the IC and parent-child relationships within the power domains. Each power domain is associated with a power control for controlling the power domain. The status of the power control for each power domain is displayed on the power map. The power map may include a token to set and display current operating mode of the IC design to enable the IC design to be debugged under different operating modes.
    Type: Application
    Filed: December 18, 2012
    Publication date: January 9, 2014
    Applicant: SYNOPSYS TAIWAN CO., LTD.
    Inventors: Chih-Neng Hsu, I-Liang Lin, Wen-Chi Feng
  • Publication number: 20130275933
    Abstract: A computer-implemented method for debugging the power aspect of an IC design by integrating the power specification expressed in certain power specification format and its corresponding circuit design within a power schematic diagram called power map. Power map is created by using a power data base generated by regrouping the original circuit design hierarchy to new hierarchies defined by the power specification. Power map contains power cell symbols (such as isolation cells, level shifters, power switches) and signal nets, and can show the relationship between power domains. Power map can also display mismatches or errors between the power specification and the circuit design for those signals connecting the power domains. Furthermore, power map can be used in conjunction with simulation result.
    Type: Application
    Filed: December 19, 2012
    Publication date: October 17, 2013
    Inventors: Chih-Neng Hsu, I-Liang Lin, Wen-Chi Feng
  • Patent number: 8365132
    Abstract: A computer-implemented method for debugging the power aspect of an IC design by integrating the power specification expressed in certain power specification format and its corresponding circuit design within a power schematic diagram called power map. Power map is created by using a power data base generated by regrouping the original circuit design hierarchy to new hierarchies defined by the power specification. Power map contains power cell symbols (such as isolation cells, level shifters, power switches) and signal nets, and can show the relationship between power domains. Power map can also display mismatches or errors between the power specification and the circuit design for those signals connecting the power domains. Furthermore, power map can be used in conjunction with simulation result.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: January 29, 2013
    Inventors: Chih-Neng Hsu, I-Liang Lin, Wen-Chi Feng
  • Publication number: 20110320991
    Abstract: A computer-implemented method for debugging the power aspect of an IC design by integrating the power specification expressed in certain power specification format and its corresponding circuit design within a power schematic diagram called power map. Power map is created by using a power data base generated by regrouping the original circuit design hierarchy to new hierarchies defined by the power specification. Power map contains power cell symbols (such as isolation cells, level shifters, power switches) and signal nets, and can show the relationship between power domains. Power map can also display mismatches or errors between the power specification and the circuit design for those signals connecting the power domains. Furthermore, power map can be used in conjunction with simulation result.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 29, 2011
    Applicants: SPRINGSOFT USA, INC., SPRINGSOFT, INC.
    Inventors: Chih-Neng Hsu, I-Liang Lin, Wen-Chi Feng