Patents by Inventor Rezaul Haque
Rezaul Haque 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).
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Patent number: 12394492Abstract: A sense circuit performs a multistage boost, including a boost during precharge operation and a boost during the standard boost operation. The sense circuit includes an output transistor to drive a sense output based on current through a sense node which drives a gate of the output transistor. The sense circuit includes a precharge circuit to precharge the sense node and the gate of the output transistor and a boost circuit to boost the sense node. The boost circuit can be boosted during precharge by a first boost voltage, resulting in a lower boost applied to the sense node after precharge. The boost circuit boosts up the sense node by a second boost voltage lower than the first boost voltage. The boost circuit boosts the sense node down by the full boost voltage of the first boost voltage plus the second boost voltage after sensing.Type: GrantFiled: November 30, 2020Date of Patent: August 19, 2025Assignee: Intel NDTM US LLCInventors: Shantanu R. Rajwade, Bayan Nasri, Tzu-Ning Fang, Rezaul Haque, Dhanashree R. Kulkarni, Narayanan Ramanan, Matin Amani, Ahsanur Rahman, Seong Je Park, Netra Mahuli
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Patent number: 12224015Abstract: Systems, apparatuses and methods may provide for technology that applies a first set of control signals to even bitlines in NAND memory and senses voltage levels of the even bitlines during an even sensing time period. The technology may also apply a second set of control signals to odd bitlines in the NAND memory, and sense voltage levels of the odd bitlines during an odd sensing time period, wherein the second set of control signals are applied after expiration of a stagger time period between the even sensing time period and the odd sensing time period.Type: GrantFiled: April 21, 2021Date of Patent: February 11, 2025Assignee: Intel CorporationInventors: Ali Khakifirooz, Rezaul Haque, Dhanashree Kulkarni, Bayan Nasri
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Publication number: 20220343982Abstract: Systems, apparatuses and methods may provide for technology that applies a first set of control signals to even bitlines in NAND memory and senses voltage levels of the even bitlines during an even sensing time period. The technology may also apply a second set of control signals to odd bitlines in the NAND memory, and sense voltage levels of the odd bitlines during an odd sensing time period, wherein the second set of control signals are applied after expiration of a stagger time period between the even sensing time period and the odd sensing time period.Type: ApplicationFiled: April 21, 2021Publication date: October 27, 2022Inventors: Ali Khakifirooz, Rezaul Haque, Dhanashree Kulkarni, Bayan Nasri
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Publication number: 20220172784Abstract: A sense circuit performs a multistage boost, including a boost during precharge operation and a boost during the standard boost operation. The sense circuit includes an output transistor to drive a sense output based on current through a sense node which drives a gate of the output transistor. The sense circuit includes a precharge circuit to precharge the sense node and the gate of the output transistor and a boost circuit to boost the sense node. The boost circuit can be boosted during precharge by a first boost voltage, resulting in a lower boost applied to the sense node after precharge. The boost circuit boosts up the sense node by a second boost voltage lower than the first boost voltage. The boost circuit boosts the sense node down by the full boost voltage of the first boost voltage plus the second boost voltage after sensing.Type: ApplicationFiled: November 30, 2020Publication date: June 2, 2022Inventors: Shantanu R. RAJWADE, Bayan NASRI, Tzu-Ning FANG, Rezaul HAQUE, Dhanashree R. KULKARNI, Narayanan RAMANAN, Matin AMANI, Ahsanur RAHMAN, Seong Je PARK, Netra MAHULI
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Patent number: 10802742Abstract: The present disclosure relates to memory array access control. An apparatus includes partition control circuitry to control at least one partition of a memory array, the at least one partition control circuitry also to receive a controlled clock signal to enable execution of a legitimate memory access command and to generate an active/idle signal having an active state when executing the legitimate memory access command and an idle state when executing the legitimate memory access command is complete; wherein the clock signal is disabled when the active/idle signal is in an idle state.Type: GrantFiled: October 5, 2018Date of Patent: October 13, 2020Assignee: Intel CorporationInventors: Rezaul Haque, Lady Nataly Pinilla Pico
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Publication number: 20190129642Abstract: The present disclosure relates to memory array access control. An apparatus includes partition control circuitry to control at least one partition of a memory array, the at least one partition control circuitry also to receive a controlled clock signal to enable execution of a legitimate memory access command and to generate an active/idle signal having an active state when executing the legitimate memory access command and an idle state when executing the legitimate memory access command is complete; wherein the clock signal is disabled when the active/idle signal is in an idle state.Type: ApplicationFiled: October 5, 2018Publication date: May 2, 2019Applicant: Intel CorporationInventors: REZAUL HAQUE, LADY NATALY PINILLA PICO
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Patent number: 10095437Abstract: The present disclosure relates to memory array access control. An apparatus includes partition control circuitry to control at least one partition of a memory array, the at least one partition control circuitry also to receive a controlled clock signal to enable execution of a legitimate memory access command and to generate an active/idle signal having an active state when executing the legitimate memory access command and an idle state when executing the legitimate memory access command is complete; wherein the clock signal is disabled when the active/idle signal is in an idle state.Type: GrantFiled: August 3, 2015Date of Patent: October 9, 2018Assignee: Intel CorporationInventors: Rezaul Haque, Lady Nataly Pinilla Pico
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Publication number: 20170038997Abstract: The present disclosure relates to memory array access control. An apparatus includes partition control circuitry to control at least one partition of a memory array, the at least one partition control circuitry also to receive a controlled clock signal to enable execution of a legitimate memory access command and to generate an active/idle signal having an active state when executing the legitimate memory access command and an idle state when executing the legitimate memory access command is complete; wherein the clock signal is disabled when the active/idle signal is in an idle state.Type: ApplicationFiled: August 3, 2015Publication date: February 9, 2017Applicant: INTEL CORPORATIONInventors: REZAUL HAQUE, LADY NATALY PINILLA PICO
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Patent number: 7710781Abstract: A wireless device that includes a memory device having an engine to execute a voting algorithm to average a memory cell data sensing result over time to provide a charge placement in the memory cell.Type: GrantFiled: September 25, 2007Date of Patent: May 4, 2010Assignee: Intel CorporationInventors: Rezaul Haque, Darshak A. Udeshi, Karthi Ramamurthi, Nathan C. Chrisman, Aliasgar S. Madraswala, Kevin P. Flanagan
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Patent number: 7551489Abstract: A multi-level cell memory device performs a read by providing a stepped voltage waveform on a wordline, and comparing cell currents to a substantially constant reference current. Prior to the application of the stepped voltage waveform, the wordline may share charge with another circuit node.Type: GrantFiled: December 28, 2005Date of Patent: June 23, 2009Assignee: Intel CorporationInventors: Kerry D. Tedrow, Dung Nguyen, Bo Li, Rezaul Haque, Ahsanur Rahman, Saad P. Monasa, Matthew Goldman
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Patent number: 7525840Abstract: In the multi level/bit per cell memory array, a flag cell indicates pseudo single bit per cell configuration for one or more cells of the memory array. The output of the cell or cells associated with the flag cell is a single bit when the flag cell is set. The cell or cells associated with the flag cell operate as multi level/bit per cell cells when the flag cell is not set. The flag cell of the memory array may also be a multi level/bit per cell cell that is read to provide a single bit output. Multiple flag cells may be provided and associated with various cells or groups of cells so that these cells or groups of cells may be operated in a user selectable pseudo single bit configuration.Type: GrantFiled: August 7, 2007Date of Patent: April 28, 2009Assignee: Intel CorporationInventors: Ahsanur Rahman, Rezaul Haque, Kerry D. Tedrow
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Publication number: 20090080248Abstract: A wireless device that includes a memory device having an engine to execute a voting algorithm to average a memory cell data sensing result over time to provide a charge placement in the memory cell.Type: ApplicationFiled: September 25, 2007Publication date: March 26, 2009Inventors: Rezaul Haque, Darshak A. Udeshi, Karthi Ramamurthi, Nathan C. Chrisman, Aliasgar S. Madraswala, Kevin P. Flanagan
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Patent number: 7489555Abstract: During a program verify sensing operation, a tracking signal may be generated to match a sense amplifier signal. A data stream from a sequence generator may be held at a pass/hold logic until the tracking signal reaches a trip point. The data stream may be subsequently latched at a main latch with the sense amplifier signal.Type: GrantFiled: June 22, 2007Date of Patent: February 10, 2009Assignee: Intel CorporationInventors: Rezaul Haque, Darshak Udeshi
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Publication number: 20080316813Abstract: A method of sensing data in a multi-level cell memory using two or less sense operations and adjusting column load is provided. A sensing circuit implementing a serial-parallel sense scheme is also provided. The column loads are re-configurable based on the sensing circuit and the serial-parallel sense scheme.Type: ApplicationFiled: June 21, 2007Publication date: December 25, 2008Inventor: Rezaul Haque
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Publication number: 20080316814Abstract: According to some embodiments, a method and apparatus for program verify sensing disclosed. During a program verify sensing operation, a tracking signal may be generated to match a sense amplifier signal. A data stream from a sequence generator may be held at a pass/hold logic until the tracking signal reaches a trip point. The data stream may be subsequently latched at a main latch with the sense amplifier signal.Type: ApplicationFiled: June 22, 2007Publication date: December 25, 2008Inventors: Rezaul Haque, Darshak Udeshi
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Patent number: 7463514Abstract: A method of sensing data in a multi-level cell memory using two or less sense operations and adjusting column load is provided. A sensing circuit implementing a serial-parallel sense scheme is also provided. The column loads are re-configurable based on the sensing circuit and the serial-parallel sense scheme.Type: GrantFiled: June 21, 2007Date of Patent: December 9, 2008Assignee: Intel CorporationInventor: Rezaul Haque
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Publication number: 20080117675Abstract: The supply voltage to a selected cell may be turned off after sensing. In one embodiment, this may be done by providing the output of the sense amplifier through a control circuit to simply turn off the voltage to the selected column or bitline. This may reduce the drain disturb by reducing the amount of voltage applied over time to a multi-level cell.Type: ApplicationFiled: November 17, 2006Publication date: May 22, 2008Inventors: Rezaul Haque, Kerry D. Tedrow
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Publication number: 20070268758Abstract: In the multi level/bit per cell memory array, a flag cell indicates pseudo single bit per cell configuration for one or more cells of the memory array. The output of the cell or cells associated with the flag cell is a single bit when the flag cell is set. The cell or cells associated with the flag cell operate as multi level/bit per cell cells when the flag cell is not set. The flag cell of the memory array may also be a multi level/bit per cell cell that is read to provide a single bit output. Multiple flag cells may be provided and associated with various cells or groups of cells so that these cells or groups of cells may be operated in a user selectable pseudo single bit configuration.Type: ApplicationFiled: August 7, 2007Publication date: November 22, 2007Applicant: INTEL CORPORATIONInventors: Ahsanur Rahman, Rezaul Haque, Kerry Tedrow
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Patent number: 7272041Abstract: In the multi level/bit per cell memory array, a flag cell indicates pseudo single bit per cell configuration for one or more cells of the memory array. The output of the cell or cells associated with the flag cell is a single bit when the flag cell is set. The cell or cells associated with the flag cell operate as multi level/bit per cell cells when the flag cell is not set. The flag cell of the memory array may also be a multi level/bit per cell cell that is read to provide a single bit output. Multiple flag cells may be provided and associated with various cells or groups of cells so that these cells or groups of cells may be operated in a user selectable pseudo single bit configuration.Type: GrantFiled: June 30, 2005Date of Patent: September 18, 2007Assignee: Intel CorporationInventors: Ahsanur Rahman, Rezaul Haque, Kerry D. Tedrow
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Publication number: 20070171708Abstract: A multi-level cell memory device performs a read by providing a stepped voltage waveform on a wordline, and comparing cell currents to a substantially constant reference current. Prior to the application of the stepped voltage waveform, the wordline may share charge with another circuit node.Type: ApplicationFiled: December 28, 2005Publication date: July 26, 2007Inventors: Kerry Tedrow, Dung Nguyen, Bo Li, Rezaul Haque, Ahsanur Rahman, Saad Monasa, Matthew Goldman