Patents by Inventor Sei-Hui Lee

Sei-Hui Lee 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).

  • Semiconductor memory device, write control circuit and write control method for the same
    Patent number: 7075854
    Abstract: A semiconductor memory device and a write control circuit which may detect write failures and a write control method for the same are provided. The semiconductor memory device may include a memory cell array, a bit line amplifier, a switch unit, and a write driver. Exemplary embodiments of the semiconductor memory device, according to the present invention, may determine the activation timing of the column select line signal using a clock enable signal and a mode register set signal, without synchronizing with a master clock signal.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: July 11, 2006
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sei-Hui Lee, Sang-Seok Kang
  • Semiconductor memory device, write control circuit and write control method for the same
    Publication number: 20050117437
    Abstract: A semiconductor memory device and a write control circuit which may detect write failures and a write control method for the same are provided. The semiconductor memory device may include a memory cell array, a bit line amplifier, a switch unit, and a write driver. Exemplary embodiments of the semiconductor memory device, according to the present invention, may determine the activation timing of the column select line signal using a clock enable signal and a mode register set signal, without synchronizing with a master clock signal.
    Type: Application
    Filed: August 27, 2004
    Publication date: June 2, 2005
    Inventors: Sei-Hui Lee, Sang-Seok Kang