Patents by Inventor Hai Tao Cao

Hai Tao Cao 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).

  • Sense amplifier
    Patent number: 8854868
    Abstract: Embodiments of the invention provide a sense amplifier, a SRAM chip comprising the sense amplifier and a method of performing read operation on the SRAM chip. The sense amplifier according to embodiments of the invention comprises an additional driving assist portion, which further takes a global data bus as input, the driving assist portion is configured to enable the sense amplifier to provide assisted driving for other sense amplifiers. With the solution according to embodiments of the invention, driving capability of a sense amplifier on global data bus can be enhanced.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: October 7, 2014
    Assignee: International Business Machines Corporation
    Inventors: Hai Tao Cao, Xiao Li Hu, Qing Ql Li, Huan Shi
  • SENSE AMPLIFIER
    Publication number: 20140036579
    Abstract: Embodiments of the invention provide a sense amplifier, a SRAM chip comprising the sense amplifier and a method of performing read operation on the SRAM chip. The sense amplifier according to embodiments of the invention comprises an additional driving assist portion, which further takes a global data bus as input, the driving assist portion is configured to enable the sense amplifier to provide assisted driving for other sense amplifiers. With the solution according to embodiments of the invention, driving capability of a sense amplifier on global data bus can be enhanced.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: International Business Machines Corporation
    Inventors: Hai Tao Cao, Xiao Li Hu, Qing QL Li, Huan Shi