Patents by Inventor JE-MIN RYU

JE-MIN RYU 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: 20190198087
    Abstract: A memory device includes a memory cell array that includes a plurality of memory cell rows; and a refresh address generator configured to store flags respectively corresponding to the plurality of memory cell rows, generate refresh row addresses respectively corresponding to the plurality of memory cell rows by performing a count operation, and according to the flags, change a refresh period of the plurality of memory cell rows.
    Type: Application
    Filed: February 28, 2019
    Publication date: June 27, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-ho HYUN, Kyo-min Sohn, Je-min Ryu, Ho-Seok Seol
  • Patent number: 10331354
    Abstract: A stacked memory includes a logic semiconductor die, a plurality of memory semiconductor dies stacked with the logic semiconductor die, a plurality of through-silicon vias (TSVs) electrically connecting the logic semiconductor die and the memory semiconductor dies, a global processor disposed in the logic semiconductor die and configured to perform a global sub process corresponding to a portion of a data process, a plurality of local processors respectively disposed in the memory semiconductor dies and configured to perform local sub processes corresponding to other portions of the data process and a plurality of memory integrated circuits respectively disposed in the memory semiconductor dies and configured to store data associated with the data process.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hak-Soo Yu, Je-Min Ryu, Reum Oh, Pavan Kumar Kasibhatla, Seok-In Hong
  • Patent number: 10319451
    Abstract: Provided is a semiconductor device including chip identification (ID) generation circuits. The semiconductor device may be a multi-chip package including a plurality of memory chips, and each of the memory chips includes a chip ID generation circuit configured to selectively modify a chip ID of a corresponding memory chip. The chip ID generation circuit determines the chip ID of the memory chip by testing the chip ID of the memory chip by using a mode register, and selectively programs the chip ID of the memory chip by using at least two fuse sets. The chip ID generation circuit may block an output of the chip ID of the memory chip when the memory chip is determined as a defective chip or is selected to stop its use.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: June 11, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yang-gyoon Loh, Je-min Ryu, Hyun-ki Kim, Yoon-jae Jeong
  • Patent number: 10262699
    Abstract: A memory device includes a memory cell array having a plurality of memory cell groups with a corresponding plurality of independent channels, and the device and an operating method thereof perform an internal data processing operation for the memory cell groups. The memory device includes an internal command generator configured to generate one or more internal commands in order to perform an internal data processing operation in response to a reception of a command, and an internal common bus for a common internal processing channel which is disposed to be shared by the plurality of memory cell groups and configured to form a transmission path of data between the plurality of memory cell groups when the internal data processing operation is performed.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Reum Oh, Je-Min Ryu, Pavan Kumar Kasibhatla
  • Patent number: 10242731
    Abstract: A memory device includes a memory cell array that includes a plurality of memory cell rows; and a refresh address generator configured to store flags respectively corresponding to the plurality of memory cell rows, generate refresh row addresses respectively corresponding to the plurality of memory cell rows by performing a count operation, and according to the flags, change a refresh period of the plurality of memory cell rows.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: March 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-ho Hyun, Kyo-min Sohn, Je-min Ryu, Ho-Seok Seol
  • Patent number: 10224114
    Abstract: A memory device may include a memory cell array including a plurality of memory cells, and an internal operation circuit configured to perform a test operation in a test mode using a parallel bit operation of simultaneously comparing a plurality of bits and also perform an internal operation including a comparison operation with respect to external data in a normal mode other than the test mode using the parallel bit operation.
    Type: Grant
    Filed: May 20, 2017
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je-min Ryu, Hak-soo Yu, Reum Oh, Seong-young Seo, Soo-jung Rho
  • Publication number: 20180358055
    Abstract: A memory device includes a memory cell array having a plurality of memory cell groups with a corresponding plurality of independent channels, and the device and an operating method thereof perform an internal data processing operation for the memory cell groups. The memory device includes an internal command generator configured to generate one or more internal commands in order to perform an internal data processing operation in response to a reception of a command, and an internal common bus for a common internal processing channel which is disposed to be shared by the plurality of memory cell groups and configured to form a transmission path of data between the plurality of memory cell groups when the internal data processing operation is performed.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 13, 2018
    Inventors: REUM OH, JE-MIN RYU, PAVAN KUMAR KASIBHATLA
  • Patent number: 10083722
    Abstract: A memory device includes a memory cell array having a plurality of memory cell groups with a corresponding plurality of independent channels, and the device and an operating method thereof perform an internal data processing operation for the memory cell groups. The memory device includes an internal command generator configured to generate one or more internal commands in order to perform an internal data processing operation in response to a reception of a command, and an internal common bus for a common internal processing channel which is disposed to be shared by the plurality of memory cell groups and configured to form a transmission path of data between the plurality of memory cell groups when the internal data processing operation is performed.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: September 25, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Reum Oh, Je-Min Ryu, Pavan Kumar Kasibhatla
  • Publication number: 20180189127
    Abstract: A memory device includes a command decoder and a status circuit. The command decoder decodes a command. The status circuit sequentially stores operation information of the memory device determined based on the decoded command and outputs at least one of the sequentially stored operation information in response to an output control signal.
    Type: Application
    Filed: December 21, 2017
    Publication date: July 5, 2018
    Inventors: Moonhee Oh, Je Min Ryu, Reum Oh, Jaeyoun Youn
  • Publication number: 20180032252
    Abstract: A stacked memory includes a logic semiconductor die, a plurality of memory semiconductor dies stacked with the logic semiconductor die, a plurality of through-silicon vias (TSVs) electrically connecting the logic semiconductor die and the memory semiconductor dies, a global processor disposed in the logic semiconductor die and configured to perform a global sub process corresponding to a portion of a data process, a plurality of local processors respectively disposed in the memory semiconductor dies and configured to perform local sub processes corresponding to other portions of the data process and a plurality of memory integrated circuits respectively disposed in the memory semiconductor dies and configured to store data associated with the data process.
    Type: Application
    Filed: June 8, 2017
    Publication date: February 1, 2018
    Inventors: HAK-SOO YU, Je-Min Ryu, Reum Oh, Pavan Kumar Kasibhatla, Seok-In Hong
  • Publication number: 20170358327
    Abstract: A memory device includes a memory cell array having a plurality of memory cell groups with a corresponding plurality of independent channels, and the device and an operating method thereof perform an internal data processing operation for the memory cell groups. The memory device includes an internal command generator configured to generate one or more internal commands in order to perform an internal data processing operation in response to a reception of a command, and an internal common bus for a common internal processing channel which is disposed to be shared by the plurality of memory cell groups and configured to form a transmission path of data between the plurality of memory cell groups when the internal data processing operation is performed.
    Type: Application
    Filed: May 30, 2017
    Publication date: December 14, 2017
    Inventors: REUM OH, JE-MIN RYU, PAVAN KUMAR KASIBHATLA
  • Publication number: 20170352434
    Abstract: A memory device may include a memory cell array including a plurality of memory cells, and an internal operation circuit configured to perform a test operation in a test mode using a parallel bit operation of simultaneously comparing a plurality of bits and also perform an internal operation including a comparison operation with respect to external data in a normal mode other than the test mode using the parallel bit operation.
    Type: Application
    Filed: May 20, 2017
    Publication date: December 7, 2017
    Inventors: Je-min RYU, Hak-soo YU, Reum OH, Seong-young SEO, Soo-jung RHO
  • Publication number: 20170344301
    Abstract: An operation method of a semiconductor memory device including a memory cell array and an internal processor configured to perform an internal processing operation includes receiving at the memory device a first mode indicator that indicates whether the memory device should operate in a processor mode or in a normal mode, receiving at the memory device processing information for the memory device, when the first mode indicator indicates that the memory device should operate in the processor mode, storing the processing information in a first memory cell region of the memory cell array, using the stored processing information to perform internal processing by the internal processor, and storing a result of the internal processing in the memory cell array.
    Type: Application
    Filed: April 21, 2017
    Publication date: November 30, 2017
    Inventors: JE MIN RYU, REUM OH, HAK-SOO YU
  • Publication number: 20170200507
    Abstract: A memory system includes a plurality of first signal lines to connect a plurality of memory devices to one another. The memory devices include a first memory device and at least one second memory device. The first memory device has at least one fuse cell and outputs fuse information set based on whether each of the at least one fuse cell is programmed. The at least one second memory device receives the fuse information and selectively activates the first signal lines based on the fuse information. The at least one second memory device simultaneously operates based on the fuse information received from the first memory device.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 13, 2017
    Inventors: Yoon Jae JEONG, Je Min RYU
  • Publication number: 20170125119
    Abstract: Provided is a semiconductor device including chip identification (ID) generation circuits. The semiconductor device may be a multi-chip package including a plurality of memory chips, and each of the memory chips includes a chip ID generation circuit configured to selectively modify a chip ID of a corresponding memory chip. The chip ID generation circuit determines the chip ID of the memory chip by testing the chip ID of the memory chip by using a mode register, and selectively programs the chip ID of the memory chip by using at least two fuse sets. The chip ID generation circuit may block an output of the chip ID of the memory chip when the memory chip is determined as a defective chip or is selected to stop its use.
    Type: Application
    Filed: August 9, 2016
    Publication date: May 4, 2017
    Inventors: Yang-gyoon LOH, Je-min RYU, Hyun-ki KIM, Yoon-jae JEONG
  • Patent number: 9601216
    Abstract: Provided is a semiconductor device and a manufacturing method thereof. The semiconductor device may include a first cell array, a first fuse circuit, a first spare cell array, a second spare cell array, and a redundancy select controller. The first fuse circuit may be configured to store a first failed address corresponding to one or more defective memory cells in the first cell array. Each of the first and second spare cell arrays may include a plurality of spare memory cells configured to replace first and second defective memory cells in the first cell array, respectively. For replacing the first and second defective memory cells, the redundancy select controller may be configured to selectively assign the first fuse circuit to either one or both of the first and second spare cell arrays.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je-Min Ryu, Ho-Young Song, Yun-Young Lee
  • Publication number: 20160189800
    Abstract: Provided is a semiconductor device and a manufacturing method thereof. The semiconductor device may include a first cell array, a first fuse circuit, a first spare cell array, a second spare cell array, and a redundancy select controller. The first fuse circuit may be configured to store a first failed address corresponding to one or more defective memory cells in the first cell array. Each of the first and second spare cell arrays may include a plurality of spare memory cells configured to replace first and second defective memory cells in the first cell array, respectively. For replacing the first and second defective memory cells, the redundancy select controller may be configured to selectively assign the first fuse circuit to either one or both of the first and second spare cell arrays.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 30, 2016
    Inventors: Je-Min RYU, Ho-Young SONG, Yun-Young LEE
  • Publication number: 20160163373
    Abstract: A memory device includes a memory cell array that includes a plurality of memory cell rows; and a refresh address generator configured to store flags respectively corresponding to the plurality of memory cell rows, generate refresh row addresses respectively corresponding to the plurality of memory cell rows by performing a count operation, and according to the flags, change a refresh period of the plurality of memory cell rows.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 9, 2016
    Inventors: Ki-ho HYUN, Kyo-min SOHN, Je-min RYU, Ho-Seok SEOL
  • Patent number: 9343175
    Abstract: A fuse data reading circuit is configured to read fuse data in multi-reading modes. The fuse data may be stored in a fuse array that includes a plurality of fuse cells configured to store fuse data. The fuse data reading circuit may include a sensing unit configured to sense the fuse data stored in the fuse cells of the fuse array, and a controller configured to control an operation of reading the fuse data stored in the fuse cells. The controller sets different sensing conditions for sensing the fuse data according to an operation period during the fuse data reading operation to read the fuse data. Methods include operations and use of the fuse data reading circuit.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gil-Su Kim, Jong-Min Oh, Sung-Min Seo, Je-Min Ryu, Seong-Jin Jang
  • Patent number: 9287009
    Abstract: A repair circuit includes first and second fuse circuits, a determination circuit and an output circuit. The first fuse circuit includes a first fuse and is configured to generate a first master signal indicating whether the first fuse has been programmed. The second fuse circuit includes second fuses and is configured to generate a first address indicating whether each of the second fuses has been programmed. The determination circuit is configured to generate a detection signal based on the first master signal and the first address. The detection signal indicates whether a negative program operation has been performed on the second fuse circuit. The output circuit is configured to generate a second master signal based on the first master signal and the detection signal and generate a repair address corresponding to a defective input address based on the first address and the detection signal.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: March 15, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-Chang Kang, Gil-Su Kim, Je-Min Ryu, Yun-Young Lee, Kyo-Min Sohn