Patents by Inventor Tao-Ying Yau

Tao-Ying Yau 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: 6995596
    Abstract: The precharge circuit includes circuitry for initiating charging of a precharge pulse at a first edge of a first clock-like signal. The precharge circuit also includes circuitry for ending the charging of the precharge pulse after a time period that is longer of a preset delay period and a time period designated by a second edge of the second clock-like signal.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: February 7, 2006
    Assignee: Sun Microsystems, Inc.
    Inventor: Tao-Ying Yau
  • Publication number: 20050077940
    Abstract: A precharge circuit capable of generating a precharge pulse is provided. The precharge circuit includes circuitry for initiating charging of a precharge pulse at a first edge of a first clock-like signal. The precharge circuit also includes circuitry for ending the charging of the precharge pulse after a time period that is longer of a preset delay period and a time period designated by a second edge of the second clock-like signal. Methods for generating a precharge pulse are also included.
    Type: Application
    Filed: October 14, 2003
    Publication date: April 14, 2005
    Applicant: Sun Microsystems, Inc.
    Inventor: Tao-Ying Yau
  • Patent number: 6498520
    Abstract: A system for minimizing the effect of clock skew in a precharge circuit includes a switch coupled between an input to the precharge circuit and a global bitline; and a control circuit coupled to a precharge component and the switch. The control circuit determines whether the switch and the precharge component are activated and the control circuit receives feedback from the switch. A method of minimizing the effect of clock skew in a precharge circuit includes controlling whether an input signal outputting a first signal and a second signal from the precharge circuit; controlling the outputting of the second signal from the precharge circuit based on a clock signal, a select signal, and a dynamic signal.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: December 24, 2002
    Assignee: Sun Microsystems, Inc.
    Inventors: Tao-ying Yau, Ping Wang, Xiaozhen Guo
  • Patent number: 6498516
    Abstract: A system for minimizing the effect of clock skew in a bit line write driver includes a first control circuit coupled to the bit line write driver; and a second control circuit coupled to the bit line write driver. The bit line write driver outputs a first output signal and a second output signal. A method of minimizing the effect of clock skew in a bit line write driver includes outputting a first signal and a second signal from the bit line write driver; controlling the outputting of the second signal from the bit line write driver based on a feedback of the first signal; and controlling the outputting of the first signal from the bit line write driver based on feedback of the second signal.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: December 24, 2002
    Assignee: Sun Microsystems, Inc.
    Inventor: Tao-ying Yau
  • Publication number: 20020171463
    Abstract: A system for minimizing the effect of clock skew in a bit line write driver includes a first control circuit coupled to the bit line write driver; and a second control circuit coupled to the bit line write driver. The bit line write driver outputs a first output signal and a second output signal. The first control circuit receives feedback from the second output signal and controls whether the bit line write driver outputs the first output signal based on the feedback from the second output signal and the second control circuit receives feedback from the first output signal and controls whether the bit line write driver outputs the second output signal based on the feedback from the first output signal.
    Type: Application
    Filed: May 15, 2001
    Publication date: November 21, 2002
    Inventor: Tao-Ying Yau