Patents by Inventor Tseng-Yi Liu

Tseng-Yi Liu 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).

  • Erasing device and method for flash memory
    Patent number: 6438039
    Abstract: An erase device and a method of erasing data from a flash memory. The erase device includes a shift control signal transmission terminal, an erase control group and a pulse control group. The shift control signal transmission terminal is used for transmitting a shift control signal. The erase control group includes a plurality of serially connected erase controllers. Each erase controller corresponds to a memory block. Each of the erase controllers contains a shift register, a receiving terminal and an output terminal. The receiving terminal of the first erase controller receives a shift control signal sent from the shift control signal transmission terminal. The receiver terminal of a subsequent erase controller connects electrically with the output terminal of the previous erase controller. In addition, the shift register contains a shift control signal received from the receiving terminal.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: August 20, 2002
    Assignee: Macronix International Co., Ltd.
    Inventors: Tseng-Yi Liu, Han-Sung Chen, Chun-Hsiung Hung