Patents by Inventor Min-Chang Kim

Min-Chang Kim 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: 10592419
    Abstract: A memory system includes: a memory module including: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; and a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: March 17, 2020
    Assignee: SK hynix Inc.
    Inventors: Yong-Woo Lee, Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Jae-Jin Lee, Hun-Sam Jung
  • Publication number: 20190393864
    Abstract: A signal receiver circuit includes: a negative voltage applier suitable for applying a negative voltage to a common source node in response to a first clock is at a first logic level; a first sampling transistor coupled between the common source node and a first sampling node to sink a current from the first sampling node to the common source node in response to a first input signal; a second sampling transistor coupled between the common source node and a second sampling node to sink a current from the second sampling node to the common source node in response to a second input signal; an equalizer suitable for equalizing the first sampling node and the second sampling node in response to the first clock is at a second logic level; a precharger suitable for precharging a first output node and a second output node with a pull-up voltage in response to a second clock is at the first logic level, and electrically coupling the first output node and second output node to the second sampling node and the first sam
    Type: Application
    Filed: December 28, 2018
    Publication date: December 26, 2019
    Inventor: Min-Chang KIM
  • Patent number: 10466909
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: November 5, 2019
    Assignee: SK hynix Inc.
    Inventors: Chang-Hyun Kim, Min-Chang Kim, Do-Yun Lee, Yong-Woo Lee, Jae-Jin Lee, Hun-Sam Jung
  • Patent number: 10445003
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: October 15, 2019
    Assignee: SK hynix Inc.
    Inventors: Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Yong-Woo Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Patent number: 10305705
    Abstract: A signal receiver circuit may include: a receiver suitable for generating a received signal based on comparison of an input signal with a reference voltage during a normal operation and based on comparison of the input signal with a target voltage during a training operation; a compensator suitable for applying a weight to the received signal to compensate for the input signal; and a weight adjuster suitable for adjusting the weight based on a level of the received signal during the training operation, wherein during the training operation, the input signal toggles between first and second levels, and the receiver is enabled when the input signal is at the first level.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: May 28, 2019
    Assignees: SK hynix Inc., Seoul National University R&DB Foundation
    Inventors: Suhwan Kim, Min-Chang Kim, Deog-Kyoon Jeong
  • Publication number: 20190114264
    Abstract: A memory system includes: a memory module including: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; and a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Application
    Filed: November 21, 2018
    Publication date: April 18, 2019
    Inventors: Yong-Woo LEE, Min-Chang KIM, Chang-Hyun KIM, Do-Yun LEE, Jae-Jin LEE, Hun-Sam JUNG
  • Patent number: 10204001
    Abstract: A semiconductor system may include a first semiconductor device and a second semiconductor device. The first semiconductor device may output an external strobe signal and external data. The second semiconductor device may extract error information from the external data in synchronization with the external strobe signal during a write operation and outputs the external data and the error information through input/output (I/O) lines during the write operation. The second semiconductor device may correct errors of internal data with the error information loaded on the I/O lines to output the corrected internal data as the external data during a read operation.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: February 12, 2019
    Assignee: SK hynix Inc.
    Inventors: Chang Hyun Kim, Min Chang Kim, Do Yun Lee, Jae Jin Lee, Hun Sam Jung
  • Patent number: 10191664
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 29, 2019
    Assignee: SK Hynix Inc.
    Inventors: Yong-Woo Lee, Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Jae-Jin Lee, Hun-Sam Jung
  • Patent number: 10180796
    Abstract: A memory system includes: a plurality of first memory devices directly or indirectly coupled to one another, each first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a multi-processor including a plurality of processors, each processor executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 15, 2019
    Assignee: SK Hynix Inc.
    Inventors: Chang-Hyun Kim, Min-Chang Kim, Do-Yun Lee, Yong-Woo Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Patent number: 10169242
    Abstract: A memory system includes: a memory module including: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; and a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 1, 2019
    Assignee: SK Hynix Inc.
    Inventors: Yong-Woo Lee, Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Jae-Jin Lee, Hun-Sam Jung
  • Publication number: 20180343149
    Abstract: A signal receiver circuit may include: a receiver suitable for generating a received signal based on comparison of an input signal with a reference voltage during a normal operation and based on comparison of the input signal with a target voltage during a training operation; a compensator suitable for applying a weight to the received signal to compensate for the input signal; and a weight adjuster suitable for adjusting the weight based on a level of the received signal during the training operation, wherein during the training operation, the input signal toggles between first and second levels, and the receiver is enabled when the input signal is at the first level.
    Type: Application
    Filed: December 18, 2017
    Publication date: November 29, 2018
    Inventors: Suhwan KIM, Min-Chang KIM, Deog-Kyoon JEONG
  • Patent number: 10083761
    Abstract: A semiconductor memory apparatus includes an input/output pad, a first data input/output circuit, a first data transfer circuit, a second data transfer circuit, and a test data comparison circuit. The input/output pad may be coupled to an external equipment. The first data input/output circuit may be coupled to the input/output pad. The first data transfer circuit may transfer data output from the first data input/output circuit to a first data storage region in response to a test write signal and transfer data output from the first data storage region to the first data input/output circuit in response to a test read signal. The second data transfer circuit may transfer data output from the first data input/output circuit to a second data storage region in response to the test write signal and transfer data output from the second data storage region to a second data input/output circuit in response to the test read signal.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: September 25, 2018
    Assignee: SK hynix Inc.
    Inventors: Min Chang Kim, Chang Hyun Kim, Do Yun Lee, Jae Jin Lee, Hun Sam Jung
  • Patent number: 10013195
    Abstract: A memory module may include a plurality of memory groups configured to include a plurality of memory packages, respectively, and input/output data through input/output pins. The memory module may include a control circuit configured to activate one or more of the plurality of memory groups on a basis of an address signal. The memory module may include a multiplexer circuit configured to couple the memory group activated on the basis of the address signal to input/output buses of the memory module.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: July 3, 2018
    Assignee: SK hynix Inc.
    Inventors: Do Yun Lee, Min Chang Kim, Chang Hyun Kim, Jae Jin Lee, Hun Sam Jung
  • Patent number: 9990970
    Abstract: A semiconductor device may be provided. The semiconductor device may include a first chip and a second chip. The second chip may be configured to receive signals from the first chip to generate a latch address based on the received signals from the first chip.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: June 5, 2018
    Assignee: SK hynix Inc.
    Inventors: Chang Hyun Kim, Min Chang Kim, Do Yun Lee, Jae Jin Lee, Hun Sam Jung
  • Patent number: 9990283
    Abstract: A memory system includes: a first memory device including a plurality of first memories and a first memory controller suitable for controlling the plurality of first memories to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: June 5, 2018
    Assignee: SK Hynix Inc.
    Inventors: Do-Yun Lee, Min-Chang Kim, Chang-Hyun Kim, Yong-Woo Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Patent number: 9990143
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application, and accessing data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: June 5, 2018
    Assignee: SK Hynix Inc.
    Inventors: Do-Yun Lee, Min-Chang Kim, Chang-Hyun Kim, Yong-Woo Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Patent number: 9977605
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: May 22, 2018
    Assignee: SK Hynix Inc.
    Inventors: Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Patent number: 9977606
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application to access a data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: May 22, 2018
    Assignee: SK Hynix Inc.
    Inventors: Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Yong-Woo Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Patent number: 9977604
    Abstract: A memory system includes: a first memory device including a first memory and a first memory controller suitable for controlling the first memory to store data; a second memory device including a second memory and a second memory controller suitable for controlling the second memory to store data; and a processor suitable for executing an operating system (OS) and an application, and accessing data storage memory through the first and second memory devices.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 22, 2018
    Assignee: SK Hynix Inc.
    Inventors: Min-Chang Kim, Chang-Hyun Kim, Do-Yun Lee, Jae-Jin Lee, Hoe-Kwon Jung
  • Publication number: 20180039532
    Abstract: A semiconductor system may include a first semiconductor device and a second semiconductor device. The first semiconductor device may output an external strobe signal and external data. The second semiconductor device may extract error information from the external data in synchronization with the external strobe signal during a write operation and outputs the external data and the error information through input/output (I/O) lines during the write operation. The second semiconductor device may correct errors of internal data with the error information loaded on the I/O lines to output the corrected internal data as the external data during a read operation.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Applicant: SK hynix Inc.
    Inventors: Chang Hyun KIM, Min Chang KIM, Do Yun LEE, Jae Jin LEE, Hun Sam JUNG