Patents by Inventor Chinh Vo

Chinh Vo 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: 11269555
    Abstract: An apparatus is provided that includes a memory die including a pipeline circuit coupled to a memory structure. The memory die is configured to execute a first command by receiving in the pipeline circuit data to be written to the memory structure, processing the received data in the pipeline circuit and providing the processed data to the memory structure, predicting that the pipeline circuit has completed processing the received data, and ending execution of the first command based on the prediction.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: March 8, 2022
    Assignee: SanDisk Technologies LLC
    Inventors: Harihara Sravan, Nihal Singla, Chinh Vo
  • Publication number: 20210397372
    Abstract: An apparatus is provided that includes a memory die including a pipeline circuit coupled to a memory structure. The memory die is configured to execute a first command by receiving in the pipeline circuit data to be written to the memory structure, processing the received data in the pipeline circuit and providing the processed data to the memory structure, predicting that the pipeline circuit has completed processing the received data, and ending execution of the first command based on the prediction.
    Type: Application
    Filed: June 22, 2020
    Publication date: December 23, 2021
    Applicant: SanDisk Technologies LLC
    Inventors: Harihara Sravan, Nihal Singla, Chinh Vo
  • Patent number: 10133288
    Abstract: An output circuit at the output of an LDO regulator has two FETs (Field-Effect Transistors), a current source and a capacitor. The first FET is connected to the LDO output and a second voltage supply. The second FET is connected in series with the current source between the LDO output and the second voltage supply. The second FET is connected to the first FET in such a matter that a bias voltage is supplied to the first FET so that in static conditions the first FET draws predetermined amounts of current from the LDO output and to divert the predetermined amounts of current to the LDO output or to draw additional amounts of current from the LDO output to compensate for transient currents on the LDO output and to reduce variations in the output voltage of the LDO regulator.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: November 20, 2018
    Assignee: Synopsys, Inc.
    Inventors: Wen Fang, Chinh Vo
  • Patent number: 9959934
    Abstract: A differential current sensing circuit architecture is used with an integrated circuit NVM memory block in which a selected memory cell and a related complementary memory cell are accessed at the same time for reading. The circuit architecture is used not only for normal operations for reading the logic states of a selected memory cell and its complementary memory cell after programming, but also for reading the logic states of a selected memory cell and its complementary memory cell before programming for the detecting of faults in memory cells.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: May 1, 2018
    Assignee: Kilopass Technology, Inc.
    Inventor: Chinh Vo
  • Publication number: 20180095489
    Abstract: An output circuit at the output of an LDO regulator has two FETs (Field-Effect Transistors), a current source and a capacitor. The first FET is connected to the LDO output and a second voltage supply. The second FET is connected in series with the current source between the LDO output and the second voltage supply. The second FET is connected to the first FET in such a matter that a bias voltage is supplied to the first FET so that in static conditions the first FET draws predetermined amounts of current from the LDO output and to divert the predetermined amounts of current to the LDO output or to draw additional amounts of current from the LDO output to compensate for transient currents on the LDO output and to reduce variations in the output voltage of the LDO regulator.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventors: Wen Fang, Chinh Vo
  • Publication number: 20180096730
    Abstract: A differential current sensing circuit architecture is used with an integrated circuit NVM memory block in which a selected memory cell and a related complementary memory cell are accessed at the same time for reading. The circuit architecture is used not only for normal operations for reading the logic states of a selected memory cell and its complementary memory cell after programming, but also for reading the logic states of a selected memory cell and its complementary memory cell before programming for the detecting of faults in memory cells.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventor: Chinh Vo
  • Patent number: 8116145
    Abstract: A method and system for enabling auto shut-off of programming of a non-volatile memory cell is disclosed. The system includes a memory array having a plurality of memory cells, each cell storing one bit of data. During the programming process, programming signals are applied to the target memory cells. A predefined period of time after the programming signals are applied, the auto shut-off system begins sensing an output signal from the memory cell. After the system detects an output signal from the memory cell, the system waits for a second predefined period of time before turning off the programming voltages. The system may be configured to sense an output voltage from the memory cell. The system then compares the output voltage to a reference voltage in order to detect when the cell is programmed. Alternatively, the system may sense an output current from the memory cell. The system then compares the output current to a reference current to detect when the cell is programmed.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: February 14, 2012
    Assignee: Kilopass Technology, Inc.
    Inventors: Pearl P. Cheng, Harry S. Luan, Chinh Vo, Chih-Chieh (Steve) Wang
  • Publication number: 20100054048
    Abstract: A method and system for enabling auto shut-off of programming of a non-volatile memory cell is disclosed. The system includes a memory array having a plurality of memory cells, each cell storing one bit of data. During the programming process, programming signals are applied to the target memory cells. A predefined period of time after the programming signals are applied, the auto shut-off system begins sensing an output signal from the memory cell. After the system detects an output signal from the memory cell, the system waits for a second predefined period of time before turning off the programming voltages. The system may be configured to sense an output voltage from the memory cell. The system then compares the output voltage to a reference voltage in order to detect when the cell is programmed. Alternatively, the system may sense an output current from the memory cell. The system then compares the output current to a reference current to detect when the cell is programmed.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 4, 2010
    Inventors: Pearl P. Cheng, Harry S. Luan, Chinh Vo, Chih-Chieh (Steve) Wang
  • Patent number: 7586787
    Abstract: In example embodiments, methods are provided for reducing bit line leakage current. In an example embodiment, an unselected program word line is biased to a bias voltage. The unselected program word line is connected to a memory cell and the memory cell includes a plurality of transistors. In another example embodiment, an unselected memory cell is biased to a negative bias voltage during read operations.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: September 8, 2009
    Assignee: Kilopass Technology Inc.
    Inventors: Chinh Vo, Harry Shengwen Luan, Pearl Cheng
  • Publication number: 20090080275
    Abstract: In example embodiments, methods are provided for reducing bit line leakage current. In an example embodiment, an unselected program word line is biased to a bias voltage. The unselected program word line is connected to a memory cell and the memory cell includes a plurality of transistors. In another example embodiment, an unselected memory cell is biased to a negative bias voltage during read operations.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 26, 2009
    Inventors: Chinh Vo, Harry Shengwen Luan, Pearl Cheng
  • Publication number: 20060213595
    Abstract: The embodiment of this invention is a retractable spike pin snow tire. The retractable spike pin units are radially embedded in the road contact surface of specially designed vehicle tires. The retractable spike pin unit utilizes SMA (Shape Memory Alloy) actuators to provide mechanical forces for the spike pin. When activated electronically as needed by the driver, or by tire traction sensors, the plurality of spike pins will protrude out from the metal housings. These protruded pins will cling onto the ice covered or snow pressed road surface and provide needed extra grips for tires on slippery road conditions. When not in need the pins will be retracted back into their metal housing electronically by the driver's input, or by sensors.
    Type: Application
    Filed: March 28, 2005
    Publication date: September 28, 2006
    Inventors: Kevin Volt, Sao Vo, Chinh Vo.lt