Patents by Inventor Hyeon-Cheon Seol

Hyeon-Cheon Seol 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: 20250124957
    Abstract: A pipeline system includes a first inverter latch configured to receive plural data entries, and plural second inverter latches coupled to each other in parallel for storing the plural data entries input from the first inverter latch in a distributive manner. Plural first switches are arranged between the first inverter latch and the plural second inverter latches, each first switch configured for controlling transmission of each of the plural data entries from the first inverter latch to one of the plural second inverter latches. Plural second switches are configured to output the plural data entries stored in the plural second inverter latches.
    Type: Application
    Filed: February 8, 2024
    Publication date: April 17, 2025
    Inventors: Young Seung YOO, Ji Seong MUN, Hyeon Cheon SEOL, Sung Hwa OK, Sung Wook CHO, Kyeong Min CHAE, Hyun Kyu KANG, Won Keun SONG
  • Publication number: 20250077425
    Abstract: A memory device includes a plurality of memory planes, each including a plurality of memory banks; one or more plane groups, each comprising at least two memory planes sharing at least one peripheral circuit; a plurality of compressing circuits, each connected to a corresponding memory bank and outputting compressed data by compressing data read from the corresponding memory bank; a plurality of merge circuits, each receiving compressed data and at least one output control signal corresponding to a merge group of a plurality of merge groups, each merge circuit outputting, in response to at least one output control signal, merged data obtained by merging compressed data corresponding to memory banks grouped in the merge group; and an output buffer circuit latching and outputting the merged data in response to at least one output control signal. The merge group comprises at least two memory banks in a same plane group.
    Type: Application
    Filed: January 19, 2024
    Publication date: March 6, 2025
    Applicant: SK hynix Inc.
    Inventors: Ji Seong MUN, Chan Keun KWON, Ja Yoon GOO, Hyeon Cheon SEOL, Sung Hwa OK, Young Seung YOO
  • Publication number: 20250054526
    Abstract: A memory device includes: a plurality of memory planes each including a plurality of memory banks, the plurality of memory planes being grouped into memory planes; a plurality of compressing circuits respectively connected to the plurality of memory banks, the plurality of compressing circuits outputting compressed data by respectively compressing data read from the plurality of memory; a plurality of first merge circuits receiving the compressed data and output control signals corresponding to at least a portion of the memory banks, the plurality of first merge circuits outputting first merged data obtained by merging compressed data corresponding to memory banks grouped as a first merge group; a second merge circuit outputting second merged data obtained by merging first merged data generated from memory banks included in the same plane group; and an output buffer circuit outputting the second merged data, based on at least a portion of the output control signals.
    Type: Application
    Filed: January 30, 2024
    Publication date: February 13, 2025
    Applicant: SK hynix Inc.
    Inventors: Chan Keun KWON, Hyeon Cheon SEOL, Sung Hwa OK
  • Publication number: 20250037748
    Abstract: A column address generation circuit including: a command set conversion section configured to generate column address information on the basis of sector information included in a first command set synchronized with a first clock signal, and to output a second command set from the first command set by replacing information on column address cycles of the first clock signal with the column address information in response to a conversion signal; and a column address output section configured to output a column address on the basis of the second command set.
    Type: Application
    Filed: December 4, 2023
    Publication date: January 30, 2025
    Applicant: SK hynix Inc.
    Inventors: Young Seung YOO, Ji Seong MUN, Hyeon Cheon SEOL, Sung Hwa OK, Jae Hoon JUNG
  • Publication number: 20240347082
    Abstract: A memory system comprising a first memory device configured to compress, into first compression data, data read from a first memory region included therein, and output the first compression data through first selection lines among first output lines in response to a first clock, a second memory device configured to compress, into second compression data, data read from a second memory region included therein, and output the second compression data through second selection lines among second output lines in response to a second clock; and a first parallel transmission unit configured to simultaneously connect the first and second selection lines to third output lines, select, as a selection clock, one having a lagging phase to the other between the first clock and the second clock, and transmit the first and second compression data in parallel through the third output lines in response to the selection clock.
    Type: Application
    Filed: August 30, 2023
    Publication date: October 17, 2024
    Inventors: Chan Keun KWON, Hyeon Cheon SEOL
  • Publication number: 20240302992
    Abstract: A storage device may include: a memory device for extracting bits having a first logic value among bits included in data received from outside the memory device, generating a plurality of compressed data chunks including the bits comprising the first logic value and position information representing positions of the bits having the first logic value in the data, and outputting the plurality of compressed data chunks in response to a data output command; and a memory controller for receiving the plurality of compressed data chunks from the memory device, and recovering the data, based on the bits having the first logic value, which are included in the plurality of compressed data, and the position information.
    Type: Application
    Filed: May 21, 2024
    Publication date: September 12, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyeok Chan SOHN, Kang Wook JO, Hyeon Cheon SEOL, Byung Ryul KIM, Jae Young LEE
  • Patent number: 12032851
    Abstract: A storage device may include: a memory device for extracting bits having a first logic value among bits included in data received from outside the memory device, generating a plurality of compressed data chunks including the bits comprising the first logic value and position information representing positions of the bits having the first logic value in the data, and outputting the plurality of compressed data chunks in response to a data output command; and a memory controller for receiving the plurality of compressed data chunks from the memory device, and recovering the data, based on the bits having the first logic value, which are included in the plurality of compressed data, and the position information.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: July 9, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyeok Chan Sohn, Kang Wook Jo, Hyeon Cheon Seol, Byung Ryul Kim, Jae Young Lee
  • Patent number: 12014076
    Abstract: A memory device may include a data receiver configured to receive a plurality of read data chunks from a plurality of memory areas which transmit and receive data through one channel, a data compressor configured to generate a plurality of compressed data chunks from each of the plurality of read data chunks and a data output unit configured to simultaneously output the plurality of compressed data through the channel in response to a data output command.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: June 18, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyeok Chan Sohn, Kang Wook Jo, Hyeon Cheon Seol, Byung Ryul Kim, Jae Young Lee
  • Publication number: 20230030668
    Abstract: A storage device may include: a memory device for extracting bits having a first logic value among bits included in data received from outside the memory device, generating a plurality of compressed data chunks including the bits comprising the first logic value and position information representing positions of the bits having the first logic value in the data, and outputting the plurality of compressed data chunks in response to a data output command; and a memory controller for receiving the plurality of compressed data chunks from the memory device, and recovering the data, based on the bits having the first logic value, which are included in the plurality of compressed data, and the position information.
    Type: Application
    Filed: July 18, 2022
    Publication date: February 2, 2023
    Applicant: SK hynix Inc.
    Inventors: Hyeok Chan SOHN, Kang Wook JO, Hyeon Cheon SEOL, Byung Ryul KIM, Jae Young LEE
  • Publication number: 20230031951
    Abstract: A memory device may include a data receiver configured to receive a plurality of read data chunks from a plurality of memory areas which transmit and receive data through one channel, a data compressor configured to generate a plurality of compressed data chunks from each of the plurality of read data chunks and a data output unit configured to simultaneously output the plurality of compressed data through the channel in response to a data output command.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 2, 2023
    Applicant: SK hynix Inc.
    Inventors: Hyeok Chan SOHN, Kang Wook JO, Hyeon Cheon SEOL, Byung Ryul KIM, Jae Young LEE
  • Patent number: 9054697
    Abstract: A majority decision circuit includes: a majority decision unit configured to compare first data with second data to decide whether one of the first data and the second data has more bits with a first logical value; and an offset application unit configured to control the majority decision unit so that the majority decision unit decides, in a case when the number of bits with the first logical value among the first data is equal to the number of bits with the first logical value among the second data, that the first data have more bits with the first logical value if offset is a first setting value in a first phase and decides that the second data have more bits with the first logical value if the offset is a second setting value in a second phase.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: June 9, 2015
    Assignee: SK Hynix Inc.
    Inventors: Hae-Rang Choi, Yong-Ju Kim, Oh-Kyong Kwon, Kang-Sub Kwak, Jun-Yong Song, Hyeon-Cheon Seol
  • Patent number: 9018991
    Abstract: A data recovery circuit may include a data sampling unit suitable for sampling source data including an edge data using data clocks and an edge clock, a data extraction unit suitable for extracting the edge data from sampled data outputted from the data sampling unit, a control signal generation unit suitable for generating a phase control signal in response to the edge data, and a multi-clock control unit suitable for controlling phases of the data clocks and the edge clock in response to the phase control signal.
    Type: Grant
    Filed: December 15, 2013
    Date of Patent: April 28, 2015
    Assignees: SK Hynix Inc., Industry-University Cooperation Foundation Hanyang University
    Inventors: Hae-Rang Choi, Yong-Ju Kim, Oh-Kyong Kwon, Kang-Sub Kwak, Jun-Yong Song, Hyeon-Cheon Seol
  • Publication number: 20150042387
    Abstract: A data recovery circuit may include a data sampling unit suitable for sampling source data including an edge data using data clocks and an edge clock, a data extraction unit suitable for extracting the edge data from sampled data outputted from the data sampling unit, a control signal generation unit suitable for generating a phase control signal in response to the edge data, and a multi-clock control unit suitable for controlling phases of the data clocks and the edge clock in response to the phase control signal.
    Type: Application
    Filed: December 15, 2013
    Publication date: February 12, 2015
    Applicants: Industry-University Cooperation Foundation Hanyang University, SK hynix Inc.
    Inventors: Hae-Rang CHOI, Yong-Ju KIM, Oh-Kyong KWON, Kang-Sub KWAK, Jun-Yong SONG, Hyeon-Cheon SEOL
  • Publication number: 20130249593
    Abstract: A majority decision circuit includes: a majority decision unit configured to compare first data with second data to decide whether one of the first data and the second data has more bits with a first logical value; and an offset application unit configured to control the majority decision unit so that the majority decision unit decides, in a case when the number of bits with the first logical value among the first data is equal to the number of bits with the first logical value among the second data, that the first data have more bits with the first logical value if offset is a first setting value in a first phase and decides that the second data have more bits with the first logical value if the offset is a second setting value in a second phase.
    Type: Application
    Filed: May 9, 2013
    Publication date: September 26, 2013
    Applicant: SK hynix Inc.
    Inventors: Hae-Rang CHOI, Yong-Ju KIM, Oh-Kyong KWON, Kang-Sub KWAK, Jun-Yong SONG, Hyeon-Cheon SEOL
  • Patent number: 8476924
    Abstract: A majority decision circuit includes: a majority decision unit configured to compare first data with second data to decide whether one of the first data and the second data has more bits with a first logical value; and an offset application unit configured to control the majority decision unit so that the majority decision unit decides, in a case when the number of bits with the first logical value among the first data is equal to the number of bits with the first logical value among the second data, that the first data have more bits with the first logical value if offset is a first setting value in a first phase and decides that the second data have more bits with the first logical value if the offset is a second setting value in a second phase.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: July 2, 2013
    Assignees: Hynix Semiconductor Inc., Industry-University Cooperation Foundation Hanyang University
    Inventors: Hae-Rang Choi, Yong-Ju Kim, Oh-Kyong Kwon, Kang-Sub Kwak, Jun-Yong Song, Hyeon-Cheon Seol
  • Publication number: 20130113518
    Abstract: A majority decision circuit includes: a majority decision unit configured to compare first data with second data to decide whether one of the first data and the second data has more bits with a first logical value; and an offset application unit configured to control the majority decision unit so that the majority decision unit decides, in a case when the number of bits with the first logical value among the first data is equal to the number of bits with the first logical value among the second data, that the first data have more bits with the first logical value if offset is a first setting value in a first phase and decides that the second data have more bits with the first logical value if the offset is a second setting value in a second phase.
    Type: Application
    Filed: December 22, 2011
    Publication date: May 9, 2013
    Inventors: Hae-Rang Choi, Yong-Ju Kim, Oh-Kyong Kwon, Kang-Sub Kwak, Jun-Yong Song, Hyeon-Cheon Seol