Patents by Inventor Dibya Dipti

Dibya Dipti 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: 9390786
    Abstract: An SRAM cell is formed of FDSOI-type NMOS and PMOS transistors. A doped well extends under the NMOS and PMOS transistors and is separated therefrom by an insulating layer. A bias voltage is applied to the doped well. The applied bias voltage is adjusted according to a state of the memory cell. For example, a temperature of the memory cell is sensed and the bias voltage adjusted as a function of the sensed temperature. The adjustment in the bias voltage is configured so that threshold voltages of the NMOS and PMOS transistors are substantially equal to n and p target threshold voltages, respectively.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: July 12, 2016
    Assignees: STMicroelectronics SA, STMicroelectronics International N.V.
    Inventors: Christophe Lecocq, Kaya Can Akyel, Amit Chhabra, Dibya Dipti
  • Publication number: 20160049189
    Abstract: An SRAM cell is formed of FDSOI-type NMOS and PMOS transistors. A doped well extends under the NMOS and PMOS transistors and is separated therefrom by an insulating layer. A bias voltage is applied to the doped well. The applied bias voltage is adjusted according to a state of the memory cell. For example, a temperature of the memory cell is sensed and the bias voltage adjusted as a function of the sensed temperature. The adjustment in the bias voltage is configured so that threshold voltages of the NMOS and PMOS transistors are substantially equal to n and p target threshold voltages, respectively.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 18, 2016
    Applicants: STMicroelectronics SA, STMicroelectronics International N.V.
    Inventors: Christophe Lecocq, Kaya Can Akyel, Amit Chhabra, Dibya Dipti
  • Patent number: 9006841
    Abstract: A dual port SRAM has two data storage nodes, a true data and complementary data. A first pull down transistor has an active area that forms the drain region of the first transistor and the true data storage node that is physically isolated from all other transistor active areas of the memory cell. A second pull down transistor has an active area that forms the drain region of a second transistor that is the complementary data node that is physically isolated from all other transistor active areas of the memory cell.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: April 14, 2015
    Assignee: STMicroelectronics International N.V.
    Inventors: Shishir Kumar, Dibya Dipti, Pierre Malinge
  • Patent number: 8693267
    Abstract: A system and a method to improve signal synchronization in a plurality of signal paths traversing multiple voltage domains. According to an embodiment of the present disclosure a memory arrangement is preferred for signal synchronization. All read/write and clocks signals and other control signals are driven to periphery supply (Vp) levels, except wordline (WL[i]) signals which are driven at core supply (Vc) level. By doing so, lower average and peak current consumption associated with core supply (Vc) is achieved with constant delays and maintaining required signal synchronization in the signal paths traversing multiple voltage domains.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: April 8, 2014
    Assignee: STMicroelectronics International N.V.
    Inventors: Siddharth Gupta, Rakesh Kumar Sinha, Vamsi Krishna Gullapalli, Dibya Dipti
  • Publication number: 20130170275
    Abstract: A dual port SRAM has two data storage nodes, a true data and complementary data. A first pull down transistor has an active are that forms the drain region of the first transistor and the true data storage node that is physically isolated from all other transistor active areas of the memory cell. A second pull down transistor has an active area that form the drain region of a second transistor that is the complementary data node that is physically isolated from all other transistor active areas of the memory cell.
    Type: Application
    Filed: August 22, 2012
    Publication date: July 4, 2013
    Applicant: STMicroelectronics Pvt. Ltd.
    Inventors: Shishir Kumar, Dibya Dipti, Pierre Malinge
  • Publication number: 20100165754
    Abstract: A system and a method to improve signal synchronization in a plurality of signal paths traversing multiple voltage domains. According to an embodiment of the present disclosure a memory arrangement is preferred for signal synchronization. All read/write and clocks signals and other control signals are driven to periphery supply (Vp) levels, except wordline (WL[i]) signals which are driven at core supply (Vc) level. By doing so, lower average and peak current consumption associated with core supply (Vc) is achieved with constant delays and maintaining required signal synchronization in the signal paths traversing multiple voltage domains.
    Type: Application
    Filed: December 23, 2009
    Publication date: July 1, 2010
    Applicant: STMicroelectronics PVT, Ltd.
    Inventors: Siddharth Gupta, Rakesh Kumar Sinha, Vamsi Krishna Gullapalli, Dibya Dipti