Patents by Inventor Vladislay Vashchenko

Vladislay Vashchenko 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).

  • Erase pin protection in EEPROM using active snapback ESD device with positive feedback and shutdown
    Patent number: 7872840
    Abstract: In an ESD protection circuit for an EEPROM erase pin a snapback device is provided for discharging high ESD currents, whereas the snapback device is operated in active mode during low voltage electrical overstress and to discharge post ESD event current by connecting an RC circuit over the control electrode of the snapback device. In order to handle high voltage normal operating conditions the snapback device is deactivated once VDD is applied by pulling the control electrode to ground using a VDD controlled switch.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: January 18, 2011
    Assignee: National Semiconductor Corporation
    Inventors: Vladislay Vashchenko, Peter J. Hopper