Patents by Inventor Christopher D. Browning

Christopher D. Browning 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: 8924835
    Abstract: Aspects of the disclosure pertain to a system and method for promoting improved error detection efficiency in a Content-Addressable Memory (CAM). The system and method provide CAM continuous error detection with interleave parity. The system continuously monitors for changes in cell contents and, when (e.g., as soon as) a soft error occurs, the error detection output bit for that entry will change, causing an error flag at chip level. The system can then immediately stop compare operations and rewrite the failing entry. Separate read operations are not needed to check for errors, thereby decreasing overall dynamic power usage and increasing possible search frequency for the system.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: December 30, 2014
    Assignee: LSI Corporation
    Inventors: Gordon W. Priebe, Carl W. Swanson, David B. Grover, Christopher D. Browning
  • Publication number: 20140089769
    Abstract: Aspects of the disclosure pertain to a system and method for promoting improved error detection efficiency in a Content-Addressable Memory (CAM). The system and method provide CAM continuous error detection with interleave parity. The system continuously monitors for changes in cell contents and, when (e.g., as soon as) a soft error occurs, the error detection output bit for that entry will change, causing an error flag at chip level. The system can then immediately stop compare operations and rewrite the failing entry. Separate read operations are not needed to check for errors, thereby decreasing overall dynamic power usage and increasing possible search frequency for the system.
    Type: Application
    Filed: September 27, 2012
    Publication date: March 27, 2014
    Applicant: LSI Corporation
    Inventors: Gordon W. Priebe, Carl W. Swanson, David B. Grover, Christopher D. Browning
  • Publication number: 20130286705
    Abstract: An apparatus and a method of operating the apparatus. The apparatus includes a driver circuit and a memory circuit. The driver circuit may be configured to precharge a hitline in response to a predetermined voltage level and a control signal and sense a result of a compare operation based upon a hitline signal on the hitline. The driver circuit generally precharges the hitline to a voltage level lower than the predetermined voltage level and senses the result of the compare operation using the full predetermined voltage level. The memory circuit may be configured to perform the compare operation using the hitline.
    Type: Application
    Filed: April 26, 2012
    Publication date: October 31, 2013
    Inventors: David B. Grover, Richard J. Stephani, Christopher D. Browning
  • Publication number: 20120120702
    Abstract: An apparatus comprising a first circuit, a driver circuit and a memory circuit. The first circuit may be configured to generate a supply voltage that changes between (i) a first voltage when an input signal is in a first state and (ii) a second voltage when the input signal is in a second state. The driver circuit may be configured to generate a wordline signal in response to (i) the supply voltage, (ii) a clock signal and (iii) a select signal. The memory circuit may be configured to perform a read/write operation in a response to the wordline signal.
    Type: Application
    Filed: November 13, 2010
    Publication date: May 17, 2012
    Inventors: Christopher D. Browning, David B. Grover