Patents by Inventor Kyo-Min Sohn

Kyo-Min Sohn 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: 20180322005
    Abstract: A device, system, and/or method includes an internal circuit configured to perform at least one function, an input-output terminal set and a repair circuit. The input-output terminal set includes a plurality of normal input-output terminals connected to an external device via a plurality of normal signal paths and at least one repair input-output terminal selectively connected to the external device via at least one repair signal path. The repair circuit repairs at least one failed signal path included in the normal signal paths based on a mode signal and fail information signal, where the mode signal represents whether to use the repair signal path and the fail information signal represents fail information on the normal signal paths. Using the repair circuit, various systems adopting different repair schemes may be repaired and cost of designing and manufacturing the various systems may be reduced.
    Type: Application
    Filed: July 11, 2018
    Publication date: November 8, 2018
    Applicant: Samsung Electronics Co. , Ltd.
    Inventors: Sang-Hoon SHIN, Hae-Suk LEE, Han-Vit JUNG, Kyo-Min SOHN
  • Patent number: 10014037
    Abstract: A semiconductor memory device includes a plurality of memory banks in a first region, a data terminal to which an input data signal is input, the data terminal being in a second region, and an inverting circuit that inverts or non-inverts the input data signal in response to an inversion control signal indicating whether the input data signal has been inverted, wherein at least one inverting circuit is disposed for each of the plurality of memory banks.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: July 3, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyo-min Sohn
  • Patent number: 9941247
    Abstract: A memory device including a stack semiconductor device including; an upper substrate vertically stacked on a lower substrate, the upper substrate including N upper through-silicon vias (UTSV) and upper driving circuits, and the lower substrate including N lower through-silicon vias (LTSV) and lower driving circuits, wherein each one of the upper driving circuits is stagger-connected between a Kth UTSV and a (K+1)th LTSV, where ‘N’ is a natural number greater than 1, and ‘K’ is a natural number ranging from 1 to (N?1).
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: April 10, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hae-Suk Lee, Kyo-Min Sohn, Ho-Young Song, Sang-Hoon Shin, Han-Vit Jung
  • Publication number: 20180075889
    Abstract: A memory cell array may include a normal cell array and a spare cell array, the normal cell array having a plurality of normal memory cells connected to normal lines and the spare memory cell array having a plurality of spare memory cells connected to spare lines configured to replace a failed normal memory cell with a spare memory cell. A spare line address encoding circuit may be configured to generate a spare line address which encodes spare line enable signals being applied when a spare line replacing a normal line is activated to indicate a physical location of the spare line being activated. A spare line adjacent address generator may be configured to generate spare line adjacent address based on the spare line address, and to activate spare lines physically adjacent to the activated spare line.
    Type: Application
    Filed: November 14, 2017
    Publication date: March 15, 2018
    Inventors: Kyo Min Sohn, Dong Su Lee, Young Jin Cho, Hyung Woo Choi
  • Publication number: 20180068742
    Abstract: Provided are a method and an apparatus for repairing a memory cell in a memory test system. A test device detects a fail address by testing a memory device according to a test command, and temporarily stores the fail address in a fail address memory (FAM). The fail address is transmitted to the memory device according to a fail address transmission mode, is temporarily stored in a temporary fail address storage of the memory device, and is then stored in an anti-fuse array, which is a non-volatile storage device. To secure the reliability of data, stored data can be read to verify the data and a verification result can be transmitted in series or in parallel to the test device.
    Type: Application
    Filed: October 27, 2017
    Publication date: March 8, 2018
    Inventors: Kyo-Min Sohn, Ho-Young Song, Sang-Joon Hwang, Cheol Kim, Dong-Hyun Sohn
  • Patent number: 9858981
    Abstract: A semiconductor memory device includes a memory cell array, a repair control circuit and a refresh control circuit. The memory cell array includes a plurality of memory cells and a plurality of redundancy memory cells. The repair control circuit receives a repair command and performs a repair operation on a first defective memory cell among the plurality of memory cells during a repair mode. The semiconductor memory device may operate in a repair mode in response to the repair command. The refresh control circuit performs a refresh operation on non-defective ones of the plurality of memory cells during the repair mode.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: January 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Young Lee, Kyo-Min Sohn, Sang-Joon Hwang, Sung-Min Seo, Sang-Bo Lee, Nak-Won Heo
  • Patent number: 9859022
    Abstract: A memory device including: an error correction code (ECC) cell array; an ECC engine configured to receive write data to be written to a memory cell array and generate internal parity bits for the write data; and an ECC select unit configured to receive the internal parity bits and external parity bits and, in response to a first level of a control signal, store the internal parity bits in the ECC cell array and, in response to a second level of the control signal store the external parity bits in the ECC cell array.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: January 2, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-joong Kim, Soo-hyeong Kim, Sang-hoon Shin, Ju-yun Jung, Ho-young Song, Kyo-min Sohn, Hae-suk Lee, Bu-il Jung, Han-vit Jeong
  • Patent number: 9831003
    Abstract: Provided are a method and an apparatus for repairing a memory cell in a memory test system. A test device detects a fail address by testing a memory device according to a test command, and temporarily stores the fail address in a fail address memory (FAM). The fail address is transmitted to the memory device according to a fail address transmission mode, is temporarily stored in a temporary fail address storage of the memory device, and is then stored in an anti-fuse array, which is a non-volatile storage device. To secure the reliability of data, stored data can be read to verify the data and a verification result can be transmitted in series or in parallel to the test device.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: November 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyo-Min Sohn, Ho-Young Song, Sang-Joon Hwang, Cheol Kim, Dong-Hyun Sohn
  • Publication number: 20170315860
    Abstract: A device, system, and/or method includes an internal circuit configured to perform at least one function, an input-output terminal set and a repair circuit. The input-output terminal set includes a plurality of normal input-output terminals connected to an external device via a plurality of normal signal paths and at least one repair input-output terminal selectively connected to the external device via at least one repair signal path. The repair circuit repairs at least one failed signal path included in the normal signal paths based on a mode signal and fail information signal, where the mode signal represents whether to use the repair signal path and the fail information signal represents fail information on the normal signal paths. Using the repair circuit, various systems adopting different repair schemes may be repaired and cost of designing and manufacturing the various systems may be reduced.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-Hoon SHIN, Hae-Suk LEE, Han-Vit JUNG, Kyo-Min SOHN
  • Publication number: 20170229192
    Abstract: Provided are a method and an apparatus for repairing a memory cell in a memory test system. A test device detects a fail address by testing a memory device according to a test command, and temporarily stores the fail address in a fail address memory (FAM). The fail address is transmitted to the memory device according to a fail address transmission mode, is temporarily stored in a temporary fail address storage of the memory device, and is then stored in an anti-fuse array, which is a non-volatile storage device. To secure the reliability of data, stored data can be read to verify the data and a verification result can be transmitted in series or in parallel to the test device.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventors: Kyo-Min Sohn, Ho-Young Song, Sang-Joon Hwang, Cheol Kim, Dong-Hyun Sohn
  • Patent number: 9727409
    Abstract: A device, system, and/or method includes an internal circuit configured to perform at least one function, an input-output terminal set and a repair circuit. The input-output terminal set includes a plurality of normal input-output terminals connected to an external device via a plurality of normal signal paths and at least one repair input-output terminal selectively connected to the external device via at least one repair signal path. The repair circuit repairs at least one failed signal path included in the normal signal paths based on a mode signal and fail information signal, where the mode signal represents whether to use the repair signal path and the fail information signal represents fail information on the normal signal paths. Using the repair circuit, various systems adopting different repair schemes may be repaired and cost of designing and manufacturing the various systems may be reduced.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: August 8, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Hoon Shin, Hae-Suk Lee, Han-Vit Jung, Kyo-Min Sohn
  • Publication number: 20170221534
    Abstract: A semiconductor memory device includes a plurality of memory banks in a first region, a data terminal to which an input data signal is input, the data terminal being in a second region, and an inverting circuit that inverts or non-inverts the input data signal in response to an inversion control signal indicating whether the input data signal has been inverted, wherein at least one inverting circuit is disposed for each of the plurality of memory banks.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 3, 2017
    Inventor: Kyo-min SOHN
  • Publication number: 20170162545
    Abstract: A stacked semiconductor device includes a plurality of semiconductor dies and a plurality of thermal-mechanical bumps. The semiconductor dies are stacked in a vertical direction. The thermal-mechanical bumps are disposed in bump layers between the semiconductor dies. Fewer thermal-mechanical bumps are disposed at a location near a heat source included in the semiconductor dies than at other locations, or a structure of the thermal-mechanical bumps at the location near the heat source is different from a structure of the thermal-mechanical bumps at other locations.
    Type: Application
    Filed: October 26, 2016
    Publication date: June 8, 2017
    Inventors: MIN-SANG PARK, KYO-MIN SOHN
  • Patent number: 9659669
    Abstract: Provided are a method and an apparatus for repairing a memory cell in a memory test system. A test device detects a fail address by testing a memory device according to a test command, and temporarily stores the fail address in a fail address memory (FAM). The fail address is transmitted to the memory device according to a fail address transmission mode, is temporarily stored in a temporary fail address storage of the memory device, and is then stored in an anti-fuse array, which is a non-volatile storage device. To secure the reliability of data, stored data can be read to verify the data and a verification result can be transmitted in series or in parallel to the test device.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyo-Min Sohn, Ho-Young Song, Sang-Joon Hwang, Cheol Kim, Dong-Hyun Sohn
  • Patent number: 9640233
    Abstract: A semiconductor memory device includes a plurality of memory banks in a first region, a data terminal to which an input data signal is input, the data terminal being in a second region, and an inverting circuit that inverts or non-inverts the input data signal in response to an inversion control signal indicating whether the input data signal has been inverted, wherein at least one inverting circuit is disposed for each of the plurality of memory banks.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: May 2, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyo-min Sohn
  • Publication number: 20170092349
    Abstract: A semiconductor memory device includes a memory cell array, a repair control circuit and a refresh control circuit. The memory cell array includes a plurality of memory cells and a plurality of redundancy memory cells. The repair control circuit receives a repair command and performs a repair operation on a first defective memory cell among the plurality of memory cells during a repair mode. The semiconductor memory device may operate in a repair mode in response to the repair command. The refresh control circuit performs a refresh operation on non-defective ones of the plurality of memory cells during the repair mode.
    Type: Application
    Filed: December 8, 2016
    Publication date: March 30, 2017
    Inventors: Yun-Young Lee, Kyo-Min SOHN, Sang-Joon HWANG, Sung-Min SEO, Sang-Bo LEE, Nak-Won HEO
  • Patent number: 9589674
    Abstract: In a method of operating a memory device, a command and a first address from a memory controller are received. A read code word including a first set of data corresponding to the first address, a second set of data corresponding to a second address and a read parity data is read from a memory cell array of the memory device. Corrected data are generated by operating error checking and correction (ECC) using an ECC circuit based on the read cord word.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-Pil Son, Young-Soo Sohn, Uk-Song Kang, Chul-Woo Park, Jung-Hwan Choi, Won-Il Bae, Kyo-Min Sohn
  • Patent number: 9524770
    Abstract: A semiconductor memory device includes a memory cell array, a repair control circuit and a refresh control circuit. The memory cell array includes a plurality of memory cells and a plurality of redundancy memory cells. The repair control circuit receives a repair command and performs a repair operation on a first defective memory cell among the plurality of memory cells during a repair mode. The semiconductor memory device may operate in a repair mode in response to the repair command. The refresh control circuit performs a refresh operation on non-defective ones of the plurality of memory cells during the repair mode.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Young Lee, Kyo-Min Sohn, Sang-Joon Hwang, Sung-Min Seo, Sang-Bo Lee, Nak-Won Heo
  • Publication number: 20160322085
    Abstract: A semiconductor memory device includes a plurality of memory banks in a first region, a data terminal to which an input data signal is input, the data terminal being in a second region, and an inverting circuit that inverts or non-inverts the input data signal in response to an inversion control signal indicating whether the input data signal has been inverted, wherein at least one inverting circuit is disposed for each of the plurality of memory banks.
    Type: Application
    Filed: July 8, 2016
    Publication date: November 3, 2016
    Inventor: Kyo-min SOHN
  • Patent number: 9460766
    Abstract: A memory device may include a pre-charge control circuit, an active control circuit, and a driver circuit. The pre-charge control circuit may be configured to receive an active command after receiving a pre-charge command for a first bank, determine whether or not a pre-charge operation for the first bank has ended when receiving the active command, and generate an active instruction signal according to a result of the determination. The active control circuit may be configured to generate an active control signal for an active operation according to the active instruction signal. The driver circuit may be configured to control an active operation according to the active control signal.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 4, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yoon Lee, Myeong-O Kim, Kyo-Min Sohn, Sang-Joon Hwang