Patents by Inventor Dhruvin Devangbhai Shah

Dhruvin Devangbhai Shah 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: 11569819
    Abstract: A high-voltage tolerant circuit includes a first level shifter responsive to an input signal having a first logic high voltage and a first logic low voltage for providing a first intermediate signal having the first logic high voltage and a second logic low voltage referenced to a second reference voltage higher than the first logic low voltage, a second level shifter responsive to the input signal for providing a second intermediate signal having a second logic high voltage referenced to a first reference voltage lower than the first logic high voltage, and the first logic low voltage, an output stage responsive to the first and second intermediate signals for providing an output signal having the first logic high voltage and the first logic low voltage, and a reference voltage generation circuit providing the second logic high and second logic low voltages without drawing current from the reference voltage generation circuit.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: January 31, 2023
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Dhruvin Devangbhai Shah, Jagadeesh Anathahalli Singrigowda, Girish Anathahalli Singrigowda, Prasant Kumar Vallur
  • Patent number: 11463084
    Abstract: A level shifting output circuit converts a signal from a core voltage to an I/O voltage without causing voltage overstress on transistor terminals in the level shifting output circuit. The output circuit includes protection transistors to protect various transistors in the output circuit from overvoltage conditions including those transistors coupled to I/O power supply nodes.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: October 4, 2022
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Thanapandi Ganesan, Prateek Mishra, Jagadeesh Anathahalli Singrigowda, Dhruvin Devangbhai Shah, Animesh Jain, Girish Anathahalli Singrigowda