Patents by Inventor Abhishek Pathak

Abhishek Pathak 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).

  • Publication number: 20180261278
    Abstract: A memory circuit includes a wordline, memory cells connected to the wordline and a wordline driver circuit. The memory circuit further includes a read assist circuit including an n-channel pull-down transistor having a source-drain path connected between the wordline and a ground node. A bias circuit applies a biasing voltage to the gate terminal of the n-channel pull-down transistor that is modulated responsive to process, voltage and temperature conditions in order to provide controlled word line underdrive.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicant: STMicroelectronics International N.V.
    Inventor: Abhishek Pathak
  • Patent number: 10037794
    Abstract: A first transistor has a first conduction terminal coupled to a second bit line, a second conduction terminal coupled to a bit line node, and a control terminal biased by a second control signal. A second transistor has a first conduction terminal coupled to a second complementary bit line, a second conduction terminal coupled to a complementary bit line node, and a control terminal biased by the second control signal. A first replica transistor has a first conduction terminal coupled to the second bit line, a second conduction terminal coupled to the complementary bit line node, and a control terminal biased such that the first replica transistor is off. A second replica transistor has a first conduction terminal coupled to the second complementary bit line, a second conduction terminal coupled to the bit line node, and a control terminal biased such that the second replica transistor is off.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: July 31, 2018
    Assignee: STMicroelectronics International N.V.
    Inventors: Dhori Kedar Janardan, Abhishek Pathak, Shishir Kumar
  • Patent number: 10032506
    Abstract: A memory array has word lines and bit lines. A row decoder is operable to decode a row address and select a corresponding word line. A read-write clock generator is operable to generate a hold clock signal. An address clock generator receives a read address, a write address, a dual port mode control signal, a read chip select signal, and a write chip select signal. When operating in dual port mode, and when operating in a read mode, the address clock generator applies a read delay to the read address and outputs the read address, as delayed, to the row pre-decoder as the address in response to the hold clock signal.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: July 24, 2018
    Assignee: STMicroelectronics International N.V.
    Inventors: Harsh Rawat, Abhishek Pathak
  • Publication number: 20180166127
    Abstract: A memory circuit includes a wordline, memory cells connected to the wordline and a wordline driver circuit. The memory circuit further includes a read assist circuit including an n-channel pull-down transistor having a source-drain path connected between the wordline and a ground node. A bias circuit applies a biasing voltage to the gate terminal of the n-channel pull-down transistor that is modulated responsive to process, voltage and temperature conditions in order to provide controlled word line underdrive.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 14, 2018
    Applicant: STMicroelectronics International N.V.
    Inventor: Abhishek Pathak
  • Publication number: 20180166128
    Abstract: A memory array has word lines and bit lines. A row decoder is operable to decode a row address and select a corresponding word line. A read-write clock generator is operable to generate a hold clock signal. An address clock generator receives a read address, a write address, a dual port mode control signal, a read chip select signal, and a write chip select signal. When operating in dual port mode, and when operating in a read mode, the address clock generator applies a read delay to the read address and outputs the read address, as delayed, to the row pre-decoder as the address in response to the hold clock signal.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 14, 2018
    Applicant: STMicroelectronics International N.V.
    Inventors: Harsh Rawat, Abhishek Pathak
  • Patent number: 9997236
    Abstract: A memory circuit includes a wordline, memory cells connected to the wordline and a wordline driver circuit. The memory circuit further includes a read assist circuit including an n-channel pull-down transistor having a source-drain path connected between the wordline and a ground node. A bias circuit applies a biasing voltage to the gate terminal of the n-channel pull-down transistor that is modulated responsive to process, voltage and temperature conditions in order to provide controlled word line underdrive.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: June 12, 2018
    Assignee: STMicroelectronics International N.V.
    Inventor: Abhishek Pathak
  • Patent number: 9786364
    Abstract: Disclosed herein is an electronic device including a bit line and a complementary bit line, first and second cross coupled inverters, a first pass gate coupled between the complementary bit line and the first inverter, and a second pass gate coupled between the bit line and the second inverter. The electronic device also includes third and fourth cross coupled inverters, a third pass gate coupled between the complementary bit line and the third inverter, and a fourth pass gate coupled between the bit line and the fourth inverter. The first, second, and fourth inverters are powered between a supply node and a reference node, and the third inverter is powered between a floating node and the reference node. The first pass gate and third pass gate are coupled in parallel.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: October 10, 2017
    Assignee: STMicroelectronics International N.V.
    Inventors: Harsh Rawat, Abhishek Pathak