Patents by Inventor Ratheesh Ramachandran Thankalekshmi

Ratheesh Ramachandran Thankalekshmi 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).

  • Methods, apparatus and system determining dual port DC contention margin
    Patent number: 9530488
    Abstract: At least one method, apparatus and system disclosed involves testing a dual port memory cell in a memory device. A semiconductor wafer is processed for providing a dual port memory device. An inline DC contention margin test is performed for testing a contention margin related to a write operation into a cell of the memory device. A determination is made as to whether the contention margin is within a predetermined range. A responsive action is performed in response to determining that the contention margin is outside the predetermined range.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: December 27, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Sriram Balasubramanian, Vivek Joshi, Randy W. Mann, Ratheesh Ramachandran Thankalekshmi