Patents by Inventor Sylvain Clerc

Sylvain Clerc 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: 8837206
    Abstract: A memory device includes first and second inverters cross-coupled between first and second nodes. The first inverter is configured to be supplied by a first supply voltage via a first transistor and the second inverter is configured to be supplied by the first supply voltage via a second transistor. A first control circuit is configured to control a gate node of the first transistor based on the voltage at the second node and at a gate node of the second transistor. A second control circuit is configured to control the gate node of the second transistor based on the voltage at the first node and at the gate node of the first transistor.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: September 16, 2014
    Assignee: STMicroelectronics (Crolles 2)
    Inventors: Maximilien Glorieux, Sylvain Clerc, Gilles Gasiot, Phillippe Roche
  • Publication number: 20140176228
    Abstract: The invention relates to an integrated circuit comprising: a first semiconductor well (60); a plurality of standard cells (66), each standard cell comprising a first field-effect transistor in FDSOI technology comprising a first semiconductor ground plane located immediately on the first well; and a clock tree cell (30) contiguous with the standard cells, the clock tree cell comprising a second field-effect transistor in FDSOI technology, which transistor comprises a second semiconductor ground plane located immediately on the first well (60), so as to form a p-n junction with this first well. The integrated circuit comprises an electrical power supply network (51) able to apply separate electrical biases directly to the first and second ground planes.
    Type: Application
    Filed: December 19, 2013
    Publication date: June 26, 2014
    Inventors: Bastien Giraud, Fady Abouzeid, Sylvain Clerc, Jean-Philippe Noel, Yvain Thonnart
  • Publication number: 20140176216
    Abstract: The invention relates to an integrated circuit comprising: a block comprising: first (38) and second (40) oppositely doped semiconductor wells; standard cells (42, 43) placed next to one another, each standard cell (42) comprising first transistors (60, 62), and a clock tree cell (30) encircled by standard cells, the clock tree cell (30) comprising: a third semiconductor well (104) having the same doping type as the doping of the first well (38); second transistors (100, 102); a semiconductor strip (106) extending continuously around the third well (104), and having the opposite doping type to the doping of the third well, so as to electrically isolate the third well (104) from the first well (38).
    Type: Application
    Filed: December 19, 2013
    Publication date: June 26, 2014
    Inventors: Yvain Thonnart, Bastien Giraud, Fady Abouzeid, Sylvain Clerc, Jean-Philippe Noel
  • Patent number: 8570060
    Abstract: A method for protecting an electronic circuit having at least one output against external radiation includes functionally duplicating the electronic circuit and linking the outputs of the electronic circuit and the duplicated electronic circuit to homologous inputs of at least functionally equivalent combinatorial or sequential elements. The homologous outputs of all the combinatorial or sequential elements are linked together. The electronic circuit can be duplicated multiple times.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: October 29, 2013
    Assignee: STMicroelectronics SA
    Inventors: Sylvain Clerc, Fabian Firmin, Philippe Roche
  • Patent number: 8565030
    Abstract: A read boost circuit arranged to boost the voltage difference between a pair of complementary bit lines of a memory device during a read operation, the read boost circuit including: a first transistor adapted to be controlled by the voltage level on a first bit line of the pair of bit lines to couple a second bit line of the pair of bit lines to a first supply voltage; and a second transistor connected directly to ground and adapted to be controlled by the voltage level on the second bit line to couple the first bit line to ground.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 22, 2013
    Assignees: STMicroelectronics S.A., STMicroelectronics (Crolles 2) SAS, Centre National de la Recherche Scientifique
    Inventors: Fady Abouzeid, Sylvain Clerc, Philippe Roche
  • Patent number: 8497701
    Abstract: The present invention relates to an integrated electronic circuit including elements enabling to implement a logic function and means for attenuating the sensitivity of said elements to external disturbances, said attenuation means being disconnectable during phases of intentional modification of the state of said elements.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: July 30, 2013
    Assignee: STMicroelectronics (Crolles 2) SAS
    Inventors: Sylvain Clerc, Gilles Gasiot, Maximilien Glorieux
  • Publication number: 20130051131
    Abstract: A device and a method for controlling an SRAM-type device, including: a bistable circuit and two switching circuits respectively connecting two access terminals of the bistable circuit to two complementary bit lines in a first direction, each switching circuit including a first switch and a second switch in series between one of the bit lines and one of the access terminals, the control terminal of the second switch being connected to a word control line in the first direction; and a third switch between the midpoint of the series connection and a terminal of application of a reference potential, a control terminal of the third switch being connected to the other one of the access terminals.
    Type: Application
    Filed: February 14, 2011
    Publication date: February 28, 2013
    Applicants: ST Microelectronics (Crolles 2) SAS, ST Microelectronics S.A.
    Inventors: Fady Abouzeid, Sylvain Clerc
  • Publication number: 20130009665
    Abstract: The present invention relates to an integrated electronic circuit including elements enabling to implement a logic function and means for attenuating the sensitivity of said elements to external disturbances, said attenuation means being disconnectable during phases of intentional modification of the state of said elements.
    Type: Application
    Filed: November 18, 2011
    Publication date: January 10, 2013
    Applicant: STMicroelectronics SAS (Crolles)
    Inventors: Sylvain Clerc, Gilles Gasiot, Maximillen Glorieux
  • Patent number: 8339172
    Abstract: A flip-flop may include a first master stage for latching data, a second slave stage for latching data, and an input multiplexer circuit receiving, as input, data to be latched in the flip-flop. The multiplexer may have single clock phase. The first master stage may be clocked based upon a clock phase, whereas the second stage may be clocked based upon another clock phase.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: December 25, 2012
    Assignee: STMicroelectronics SA
    Inventors: Fabian Firmin, Sylvain Clerc, Jean-Pierre Schoellkopf, Fady Abouzeid
  • Publication number: 20120081978
    Abstract: A read boost circuit arranged to boost the voltage difference between a pair of complementary bit lines of a memory device during a read operation, the read boost circuit including: a first transistor adapted to be controlled by the voltage level on a first bit line of the pair of bit lines to couple a second bit line of the pair of bit lines to a first supply voltage; and a second transistor connected directly to ground and adapted to be controlled by the voltage level on the second bit line to couple the first bit line to ground.
    Type: Application
    Filed: September 22, 2011
    Publication date: April 5, 2012
    Applicants: STMicroelectronics S.A., Centre National de la Recherche Scientifique, STMicroelectronics Crolles 2 SAS
    Inventors: Fady Abouzeid, Sylvain Clerc, Philippe Roche
  • Publication number: 20120042292
    Abstract: A method of synthesis of at least one logic device coupled between first and second supply voltages and having a plurality of inputs and an output, the logic device including a plurality of transistors having a standard gate length, the method including: identifying, in the at least one logic device, one or more transistors connected between the first or second supply voltage and the output node; and increasing the gate length of each of the identified one or more transistors.
    Type: Application
    Filed: August 10, 2010
    Publication date: February 16, 2012
    Applicants: STMicroelectronics S.A., Centre National de la Recherche Scientifique, STMicroelectronics (Crolles 2) SAS
    Inventors: Fady Abouzeid, Sylvain Clerc, Fabian Firmin
  • Publication number: 20110291696
    Abstract: A method for protecting an electronic circuit having at least one output against external radiation includes functionally duplicating the electronic circuit and linking the outputs of the electronic circuit and the duplicated electronic circuit to homologous inputs of at least functionally equivalent combinatorial or sequential elements. The homologous outputs of all the combinatorial or sequential elements are linked together. The electronic circuit can be duplicated multiple times.
    Type: Application
    Filed: May 19, 2011
    Publication date: December 1, 2011
    Applicant: STMicroelectronics SA
    Inventors: Sylvain Clerc, Fabian Firmin, Philippe Roche
  • Publication number: 20110084748
    Abstract: A flip-flop may include a first master stage for latching data, a second slave stage for latching data, and an input multiplexer circuit receiving, as input, data to be latched in the flip-flop. The multiplexer may have single clock phase. The first master stage may be clocked based upon a clock phase, whereas the second stage may be clocked based upon another clock phase.
    Type: Application
    Filed: October 7, 2010
    Publication date: April 14, 2011
    Applicant: STMicroelectronics SA
    Inventors: Fabian Firmin, Sylvain Clerc, Jean-Pierre Schoellkopf, Fady Abouzeid
  • Patent number: 7876141
    Abstract: A generator of synchronization pulses intended for at least two registers, including a first input intended to receive a clock signal and at least one output intended to deliver the pulses on the clock input of said registers, and at least one second input intended to receive a signal for forcing the output, independently from the clock signal, to make said registers transparent.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: January 25, 2011
    Assignees: STMicroelectronics Inc., STMicroelectronics S.A.
    Inventors: Benoît Lasbouygues, Sylvain Clerc, Alain Artieri, Thomas Zounes, Françoise Jacquet
  • Patent number: 7564282
    Abstract: A bistable flip-flop device is provided that is triggered on the edges of a clock signal. The device has an active mode in which it is electrically powered and an inactive mode. The device includes a chain of inverters controlled by a clock signal, storage means for storing the state of the device in the active mode, and retention means for storing the state of the device in the inactive mode. The device includes a continuously-powered bistable structure that integrates the retention means and part of the storage means. The bistable structure includes a single isolation switch connected to the inverter chain and controlled by a standby logic signal that is representative of the active or inactive mode.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: July 21, 2009
    Assignee: STMicroelectronics SA
    Inventor: Sylvain Clerc
  • Publication number: 20090146720
    Abstract: A generator of synchronization pulses intended for at least two registers, including a first input intended to receive a clock signal and at least one output intended to deliver the pulses on the clock input of said registers, and at least one second input intended to receive a signal for forcing the output, independently from the clock signal, to make said registers transparent.
    Type: Application
    Filed: October 14, 2008
    Publication date: June 11, 2009
    Applicants: STMicroelectronics Inc., STMicroelectronics S.A.
    Inventors: Benoit Lasbouygues, Sylvain Clerc, Alain Artieri, Thomas Zounes, Francoise Jacquet
  • Patent number: 7321506
    Abstract: The multivibrator is protected against current or voltage spikes and includes a first data transfer port that receives, as input, multivibrator input data, and a first/master latch cell connected on the output side of the first transfer port. A second/slave latch cell is included, and a second data transfer port is placed between the first and second latch cells. Each latch cell includes a set of redundant data storage nodes. The transfer ports each circuits/devices for writing data separately into each storage node.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: January 22, 2008
    Assignee: STMicroelectronics SA
    Inventors: Philippe Roche, Francois Jacquet, Sylvain Clerc
  • Patent number: 7236031
    Abstract: A bistable circuit includes a first inverter and a capacitive inversion circuit having one input coupled to an output of the first inverter. The capacitive inversion circuit includes a second inverter and a capacitive circuit parallel-coupled to the input and an output of the capacitive inversion circuit. The bistable circuit also includes a switch to isolate the output of the capacitive inversion circuit from an input of the first inverter when the switch receives an active validation signal or, if not, to couple the output of the capacitive inversion circuit to the input of the first inverter.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: June 26, 2007
    Assignee: STMicroelectronics SA
    Inventors: Sylvain Clerc, Philippe Roche, Francois Jacquet
  • Publication number: 20060255870
    Abstract: The multivibrator is protected against current or voltage spikes and includes a first data transfer port that receives, as input, multivibrator input data, and a first/master latch cell connected on the output side of the first transfer port. A second/slave latch cell is included, and a second data transfer port is placed between the first and second latch cells. Each latch cell includes a set of redundant data storage nodes. The transfer ports each circuits/devices for writing data separately into each storage node.
    Type: Application
    Filed: April 21, 2006
    Publication date: November 16, 2006
    Applicant: STMicroelectronics SA
    Inventors: Philippe Roche, Francois Jacquet, Sylvain Clerc
  • Publication number: 20060109040
    Abstract: A bistable flip-flop device is provided that is triggered on the edges of a clock signal. The device has an active mode in which it is electrically powered and an inactive mode. The device includes a chain of inverters controlled by a clock signal, storage means for storing the state of the device in the active mode, and retention means for storing the state of the device in the inactive mode. The device includes a continuously-powered bistable structure that integrates the retention means and part of the storage means. The bistable structure includes a single isolation switch connected to the inverter chain and controlled by a standby logic signal that is representative of the active or inactive mode.
    Type: Application
    Filed: October 26, 2005
    Publication date: May 25, 2006
    Applicant: STMICROELECTRONICS SA
    Inventor: Sylvain Clerc