Patents by Inventor Niall Ffrench

Niall Ffrench 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).

  • Effective use of parallel scan for identically instantiated sequential blocks
    Publication number: 20030079165
    Abstract: A method and system employing a plurality of modules having a scan chain combiner coupled to the output of each one of the plurality of modules. The scan chain combiner selects one value per scan chain received from said plurality of modules, wherein the value is indicative of errors in at least one of the plurality of modules. An output mux for communicating the value to a tester via a plurality of chip outputs is coupled to the scan chain combiner.
    Type: Application
    Filed: October 23, 2001
    Publication date: April 24, 2003
    Inventors: Niall Ffrench, Arjun Punshi