Patents by Inventor Jae-Duk Yu

Jae-Duk Yu 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: 11798629
    Abstract: Each of memory blocks of a nonvolatile memory device includes a memory cell region including first metal pads, first memory cells of a first portion of pillar, and second memory cells of a second portion of the pillar, and a peripheral circuit region including second metal pads, a row decoder, and a page buffer. When performing program operations based on consecutive addresses at a memory block selected from the memory blocks, the nonvolatile memory device sequentially completes first program operations of non-adjacent memory cells not adjacent to a boundary of the first portion and the second portion from among the first and second memory cells and then completes a second program operation of an adjacent memory cell adjacent to the boundary. The peripheral circuit region is vertically connected to the memory cell region by the first metal pads and the second metal pads directly.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yonghyuk Choi, Jae-Duk Yu, Kang-Bin Lee, Sang-Won Shim, Bongsoon Lim
  • Patent number: 11532365
    Abstract: An operation method of a nonvolatile memory device includes receiving a read command and an address, increasing a voltage applied to an unselected word line from an off voltage to a read pass voltage during a setup phase in response to the read command, increasing a voltage applied to an unselected string selection line from the off voltage to a pre-pulse voltage during a first setup phase of the setup phase, increasing a voltage applied to an unselected ground selection line from the off voltage to the pre-pulse voltage during the first setup phase, applying a read voltage to a selected word line to read data corresponding to the address, during a sensing phase following the setup phase, and outputting the read data through data lines after the sensing phase. During the setup phase, a slope of the voltage applied to the unselected word line is varied.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Duk Yu, Sang-Wan Nam, Jonghoon Park, Ho-Jun Lee
  • Publication number: 20220130467
    Abstract: An operation method of a nonvolatile memory device includes receiving a read command and an address, increasing a voltage applied to an unselected word line from an off voltage to a read pass voltage during a setup phase in response to the read command, increasing a voltage applied to an unselected string selection line from the off voltage to a pre-pulse voltage during a first setup phase of the setup phase, increasing a voltage applied to an unselected ground selection line from the off voltage to the pre-pulse voltage during the first setup phase, applying a read voltage to a selected word line to read data corresponding to the address, during a sensing phase following the setup phase, and outputting the read data through data lines after the sensing phase. During the setup phase, a slope of the voltage applied to the unselected word line is varied.
    Type: Application
    Filed: July 15, 2021
    Publication date: April 28, 2022
    Inventors: JAE-DUK YU, SANG-WAN NAM, JONGHOON PARK, HO-JUN LEE
  • Publication number: 20220020434
    Abstract: Each of memory blocks of a nonvolatile memory device includes a memory cell region including first metal pads, first memory cells of a first portion of pillar, and second memory cells of a second portion of the pillar, and a peripheral circuit region including second metal pads, a row decoder, and a page buffer. When performing program operations based on consecutive addresses at a memory block selected from the memory blocks, the nonvolatile memory device sequentially completes first program operations of non-adjacent memory cells not adjacent to a boundary of the first portion and the second portion from among the first and second memory cells and then completes a second program operation of an adjacent memory cell adjacent to the boundary. The peripheral circuit region is vertically connected to the memory cell region by the first metal pads and the second metal pads directly.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Inventors: YONGHYUK CHOI, JAE-DUK YU, KANG-BIN LEE, SANG-WON SHIM, BONGSOON LIM
  • Patent number: 11158379
    Abstract: Each of memory blocks of a nonvolatile memory device includes a memory cell region including first metal pads, first memory cells of a first portion of pillar, and second memory cells of a second portion of the pillar, and a peripheral circuit region including second metal pads, a row decoder, and a page buffer. When performing program operations based on consecutive addresses at a memory block selected from the memory blocks, the nonvolatile memory device sequentially completes first program operations of non-adjacent memory cells not adjacent to a boundary of the first portion and the second portion from among the first and second memory cells and then completes a second program operation of an adjacent memory cell adjacent to the boundary. The peripheral circuit region is vertically connected to the memory cell region by the first metal pads and the second metal pads directly.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: October 26, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yonghyuk Choi, Jae-Duk Yu, Kang-Bin Lee, Sang-Won Shim, Bongsoon Lim
  • Patent number: 11106368
    Abstract: A solid state drive and a method for accessing the metadata are provided. The solid state drive includes different kinds of first and second memories and a memory controller which controls the first and second memories, wherein the memory controller receives a metadata access request from a host, and includes a condition checker which determines conditions of the first and second memories in response to the metadata access request and selects at least one of the conditions, and the memory controller accesses to the memory selected by the condition checker.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Duk Yu, Jin-Young Kim, Yu-Hun Jun
  • Patent number: 11061769
    Abstract: A storage device includes a first nonvolatile memory chip; a second nonvolatile memory chip; and a controller. The controller may include a processor configured to execute a flash translation layer (FTL) loaded onto an on-chip memory; an ECC engine configured to generate first parity bits for data and to selectively generate second parity bits for the data, under control of the processor; and a nonvolatile memory interface circuit configured to transmit the data and the first parity bits to the first nonvolatile memory chip, and to selectively transmit the second parity bits selectively generated to the second nonvolatile memory chip.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: July 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Duk Yu, Jin-Young Kim
  • Patent number: 11043274
    Abstract: Each of memory blocks of a nonvolatile memory device includes first memory cells of a first portion of pillar and second memory cells of a second portion of the pillar. When performing program operations based on consecutive addresses at a memory block selected from the memory blocks, the nonvolatile memory device sequentially completes first program operations of non-adjacent memory cells not adjacent to a boundary of the first portion and the second portion from among the first and second memory cells and then completes a second program operation of an adjacent memory cell adjacent to the boundary.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yonghyuk Choi, Jae-Duk Yu, Kang-Bin Lee, Sang-Won Shim, Bongsoon Lim
  • Publication number: 20210089394
    Abstract: A storage device includes a first nonvolatile memory chip; a second nonvolatile memory chip; and a controller. The controller may include a processor configured to execute a flash translation layer (FTL) loaded onto an on-chip memory; an ECC engine configured to generate first parity bits for data and to selectively generate second parity bits for the data, under control of the processor; and a nonvolatile memory interface circuit configured to transmit the data and the first parity bits to the first nonvolatile memory chip, and to selectively transmit the second parity bits selectively generated to the second nonvolatile memory chip.
    Type: Application
    Filed: April 17, 2020
    Publication date: March 25, 2021
    Inventors: Jae-Duk YU, Jin-Young KIM
  • Patent number: 10942678
    Abstract: A method of accessing data in a storage device including first and second nonvolatile memories of different types is provided. The method includes setting a meta data attribute table by classifying a plurality of meta data based on a plurality of data attributes and accessible memory types, detecting a data attribute of first meta data among the plurality of meta data based on the meta data attribute table in response to receiving a first access request for the first meta data, determining a target memory optimized for the first meta data from among the first and second nonvolatile memories based on the detected data attribute of the first meta data, and performing an access operation on the target memory based on the first meta data. The plurality of meta data are used for controlling an operation of the storage device.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: March 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Young Kim, Jae-Duk Yu, Yu-Hun Jun
  • Publication number: 20210065806
    Abstract: Each of memory blocks of a nonvolatile memory device includes a memory cell region including first metal pads, first memory cells of a first portion of pillar, and second memory cells of a second portion of the pillar, and a peripheral circuit region including second metal pads, a row decoder, and a page buffer. When performing program operations based on consecutive addresses at a memory block selected from the memory blocks, the nonvolatile memory device sequentially completes first program operations of non-adjacent memory cells not adjacent to a boundary of the first portion and the second portion from among the first and second memory cells and then completes a second program operation of an adjacent memory cell adjacent to the boundary. The peripheral circuit region is vertically connected to the memory cell region by the first metal pads and the second metal pads directly.
    Type: Application
    Filed: July 22, 2020
    Publication date: March 4, 2021
    Inventors: Yonghyuk Choi, Jae-Duk Yu, Kang-Bin Lee, Sang-Won Shim, Bongsoon Lim
  • Publication number: 20210065805
    Abstract: Each of memory blocks of a nonvolatile memory device includes first memory cells of a first portion of pillar and second memory cells of a second portion of the pillar. When performing program operations based on consecutive addresses at a memory block selected from the memory blocks, the nonvolatile memory device sequentially completes first program operations of non-adjacent memory cells not adjacent to a boundary of the first portion and the second portion from among the first and second memory cells and then completes a second program operation of an adjacent memory cell adjacent to the boundary.
    Type: Application
    Filed: April 17, 2020
    Publication date: March 4, 2021
    Inventors: Yonghyuk CHOI, Jae-Duk Yu, Kang-Bin Lee, Sang-Won Shim, Bongsoon Lim
  • Publication number: 20200050400
    Abstract: A method of accessing data in a storage device including first and second nonvolatile memories of different types is provided. The method includes setting a meta data attribute table by classifying a plurality of meta data based on a plurality of data attributes and accessible memory types, detecting a data attribute of first meta data among the plurality of meta data based on the meta data attribute table in response to receiving a first access request for the first meta data, determining a target memory optimized for the first meta data from among the first and second nonvolatile memories based on the detected data attribute of the first meta data, and performing an access operation on the target memory based on the first meta data. The plurality of meta data are used for controlling an operation of the storage device.
    Type: Application
    Filed: March 5, 2019
    Publication date: February 13, 2020
    Inventors: JIN-YOUNG KIM, JAE-DUK YU, YU-HUN JUN
  • Publication number: 20200034047
    Abstract: A solid state drive and a method for accessing the metadata are provided. The solid state drive includes different kinds of first and second memories and a memory controller which controls the first and second memories, wherein the memory controller receives a metadata access request from a host, and includes a condition checker which determines conditions of the first and second memories in response to the metadata access request and selects at least one of the conditions, and the memory controller accesses to the memory selected by the condition checker.
    Type: Application
    Filed: July 1, 2019
    Publication date: January 30, 2020
    Inventors: JAE-DUK YU, JIN-YOUNG KIM, YU-HUN JUN
  • Patent number: 9478280
    Abstract: A semiconductor memory device is configured to perform a first verification operation by setting an initial voltage level of a verification voltage to a first voltage level and boosting the verification voltage during a first period. The semiconductor memory device includes a memory cell array that stores program data, a sensor generating sensing data, and a condition determination unit comparing the program data and the sensing data.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: October 25, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Duk Yu, Dong-Ku Kang, Dae-Yeal Lee
  • Patent number: 9406386
    Abstract: A data storage device includes a nonvolatile memory having a plurality of first memory cells connected to a first word line and a plurality of second memory cells connected to a second word line. A memory controller divides first data to be programmed in the first memory cells into first and second data groups and divides second data to be programmed in the second memory cells into third and fourth data groups. The nonvolatile memory device performs a third program operation of the second data group and a fourth program operation of the fourth data group after sequentially performing a first program operation of the first data group and a second program operation of the third data group.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: August 2, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Duk Yu, Chul Bum Kim, Dongku Kang
  • Publication number: 20160035427
    Abstract: A data storage device includes a nonvolatile memory having a plurality of first memory cells connected to a first word line and a plurality of second memory cells connected to a second word line. A memory controller divides first data to be programmed in the first memory cells into first and second data groups and divides second data to be programmed in the second memory cells into third and fourth data groups. The nonvolatile memory device performs a third program operation of the second data group and a fourth program operation of the fourth data group after sequentially performing a first program operation of the first data group and a second program operation of the third data group.
    Type: Application
    Filed: July 13, 2015
    Publication date: February 4, 2016
    Inventors: JAE-DUK YU, CHUL BUM KIM, DONGKU KANG
  • Publication number: 20160019975
    Abstract: A semiconductor memory device is configured to perform a first verification operation by setting an initial voltage level of a verification voltage to a first voltage level and boosting the verification voltage during a first period. The semiconductor memory device includes a memory cell array that stores program data, a sensor generating sensing data, and a condition determination unit comparing the program data and the sensing data.
    Type: Application
    Filed: June 18, 2015
    Publication date: January 21, 2016
    Inventors: JAE-DUK YU, DONG-KU KANG, DAE-YEAL LEE
  • Patent number: 8705273
    Abstract: A negative voltage generator includes a direct current voltage generator configured to generate a direct current voltage, a reference voltage generator configured to generate a reference voltage, an oscillator configured to generate an oscillation clock, a charge pump configured to generate a negative voltage in response to a pump clock, and a voltage detector. The voltage detector is configured to detect the negative voltage by comparing a division voltage, obtained by voltage dividing the direct current voltage, with the reference voltage, and to generate the pump clock corresponding to the detected negative voltage based on the oscillation clock.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: April 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moosung Kim, Jaewoo Im, Jae-Duk Yu, Kitae Park, Ohsuk Kwon
  • Patent number: 8559229
    Abstract: A word line voltage generating method of a flash memory which includes generating a program voltage using a positive voltage generator; generating a plurality of negative program verification voltages corresponding to a plurality of negative data states using a negative voltage generator; and generating at least one or more program verification voltages corresponding to at least one or more states using the positive voltage generator. Generating a plurality of negative program verification voltages includes generating a first negative verification voltage; discharging an output of the negative voltage generator to become higher than the first negative verification voltage; and performing a negative charge pumping operation until an output of the negative voltage generator reaches a second negative verification voltage level.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: October 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Gum Kim, Ohsuk Kwon, Dongku Kang, Tae-Young Kim, Jaewoo Im, Moosung Kim, Jae-Duk Yu