Patents by Inventor Oung Sic CHO

Oung Sic CHO 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: 20230367518
    Abstract: A memory device includes a plurality of memories, a plurality of access units and a controller configured to control data from an access unit according to an operation cycle of another access unit whose form factor is different from that of the access unit.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Inventors: Won Ha Choi, Oung Sic Cho, Jong Hoon Oh
  • Publication number: 20230367519
    Abstract: A memory device includes a plurality of memories, a plurality of access units and a controller configured to control data from an access unit according to an operation cycle of another access unit whose form factor is different from that of the access unit.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Inventors: Won Ha Choi, Oung Sic Cho, Jong Hoon Oh
  • Patent number: 11755255
    Abstract: A memory device includes a plurality of memories, a plurality of access units, and a controller configured to control data from an access unit according to an operation cycle of another access unit whose form factor is different from that of the access unit. A resistor can be shared by the plurality of memories for impedance matching, which can shorten calibration time.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: September 12, 2023
    Assignee: SK hynix Inc.
    Inventors: Won Ha Choi, Oung Sic Cho, Jong Hoon Oh
  • Patent number: 11082043
    Abstract: A memory device comprising: a plurality of memories, a plurality of access units and a controller configured to control data from an access unit according to operation cycle different to another access unit whose form factor is different to that of the access unit.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: August 3, 2021
    Assignee: SK hynix Inc.
    Inventors: Won Ha Choi, Oung Sic Cho, Jong Hoon Oh
  • Patent number: 10897253
    Abstract: A system may include: a first memory device; a second memory device; a third memory device; and a fourth memory device, wherein the first memory device to the fourth memory device are configured to share a resistor for impedance matching, wherein the first memory device to the fourth memory device are coupled to have a chain shape, wherein the forth memory device generates a completion signal when performance is completed and the first memory device receives the completion signal provided from the fourth memory device.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: January 19, 2021
    Assignee: SK hynix Inc.
    Inventors: Oung Sic Cho, Jong Hoon Oh
  • Publication number: 20200295757
    Abstract: A memory device comprising: a plurality of memories, a plurality of access units and a controller configured to control data from an access unit according to operation cycle different to another access unit whose form factor is different to that of the access unit.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Inventors: Won Ha CHOI, Oung Sic CHO, Jong Hoon OH
  • Publication number: 20200293197
    Abstract: A memory device comprising: a plurality of memories, a plurality of access units and a controller configured to control data from an access unit according to operation cycle different to another access unit whose form factor is different to that of the access unit.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Inventors: Won Ha Choi, Oung Sic Cho, Jong Hoon Oh
  • Publication number: 20200293199
    Abstract: A memory device comprising: a plurality of memories, a plurality of access units and a controller configured to control data from an access unit according to operation cycle different to another access unit whose form factor is different to that of the access unit.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Inventors: Won Ha CHOI, Oung Sic CHO, Jong Hoon OH, Hyuk Choong KANG
  • Publication number: 20200059233
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Application
    Filed: October 23, 2019
    Publication date: February 20, 2020
    Applicant: SK hynix Inc.
    Inventors: Oung Sic CHO, Jong Hoon OH
  • Patent number: 10491215
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: November 26, 2019
    Assignee: SK hynix Inc.
    Inventors: Oung Sic Cho, Jong Hoon Oh
  • Publication number: 20180351555
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Application
    Filed: August 13, 2018
    Publication date: December 6, 2018
    Applicant: SK hynix Inc.
    Inventors: Oung Sic CHO, Jong Hoon OH
  • Patent number: 10075165
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: September 11, 2018
    Assignee: SK hynix Inc.
    Inventors: Oung Sic Cho, Jong Hoon Oh
  • Publication number: 20170288669
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 5, 2017
    Applicant: SK hynix Inc.
    Inventors: Oung Sic CHO, Jong Hoon OH
  • Patent number: 9716497
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: July 25, 2017
    Assignee: SK hynix Inc.
    Inventors: Oung Sic Cho, Jong Hoon Oh
  • Patent number: 9665506
    Abstract: A data processing device includes a controller. The controller includes a compression circuit configured to compare a plurality of data groups, each of which has a first burst length and is transmitted in units of an input/output width, with a predetermined pattern, and perform data compression on the data groups based on a result of comparison. The controller further includes a compression data restructuring circuit configured to generate a transmission data group by restructuring the compressed data group to have a second burst length.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: May 30, 2017
    Assignee: SK HYNIX INC.
    Inventors: Sang Eun Lee, Chang il Kim, Oung Sic Cho
  • Patent number: 9509338
    Abstract: A data processing device includes a compression circuit and a padding circuit. The compression circuit is configured to compare pairs of two contiguous bits within data composed of 2n bits (where n is a natural number), and compress the data based on a result of the comparison. The padding circuit is configured to generate transmission data of 2n bits by padding the compressed data with a dummy pad.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: November 29, 2016
    Assignee: SK HYNIX INC.
    Inventors: Sang Eun Lee, Chang il Kim, Oung Sic Cho
  • Patent number: 9489996
    Abstract: A data processing apparatus includes a controller configured to provide, using a unified connector, group data processing information for a processing operation of a data group processed based on the same data processing information. The data group comprises a plurality data transmitted or received through a plurality of connectors. An operation unit is configured to decode and/or encode the data group based on the group data processing information.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: November 8, 2016
    Assignee: SK HYNIX INC.
    Inventors: Sang Eun Lee, Oung Sic Cho
  • Publication number: 20160118983
    Abstract: A calibration circuit sharing a resistor for impedance matching includes a command decoder configured to receive a command signal and decode the command signal into a calibration enable signal; a selector configured to select one of the calibration enable signal and a start signal according to a select signal, and provide a driving signal; and a calibration driver configured to perform an impedance matching operation in response to the driving signal, and generate a completion signal when performance is completed, wherein the start signal corresponds to a completion signal provided from another calibration circuit which shares the resistor for the impedance matching.
    Type: Application
    Filed: March 18, 2015
    Publication date: April 28, 2016
    Inventors: Oung Sic CHO, Jong Hoon OH
  • Patent number: 9197209
    Abstract: The semiconductor device includes: a first die configured to include a first input pad and a first output pad; and a second die configured to include a second input pad and a second output pad. The second die corrects a level of an output voltage in response to a feedback reference voltage applied from the first output pad to the second input pad.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: November 24, 2015
    Assignee: SK Hynix Inc.
    Inventors: Oung Sic Cho, Sang Eun Lee
  • Publication number: 20150280709
    Abstract: The semiconductor device includes: a first die configured to include a first input pad and a first output pad; and a second die configured to include a second input pad and a second output pad. The second die corrects a level of an output voltage in response to a feedback reference voltage applied from the first output pad to the second input pad.
    Type: Application
    Filed: June 18, 2014
    Publication date: October 1, 2015
    Inventors: Oung Sic CHO, Sang Eun LEE