Patents by Inventor Su-Hae WOO
Su-Hae WOO 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).
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Patent number: 11804278Abstract: A memory system includes a memory device and a memory controller. The memory controller includes a core processor and a built-in self-repair (BISR) logic circuit. The core processor includes a register file with a plurality of register values corresponding to a plurality of repair commands. The BISR logic circuit receives at least one of the plurality of register values from the core processor and converts the at least one of the plurality of register values into at least one of the repair commands to output the least one of the repair commands to the memory device. The core processor transmits the at least one of the plurality of register values to the BISR logic circuit in response to a firmware instruction that is output from an external firmware coupled to the memory controller.Type: GrantFiled: July 13, 2022Date of Patent: October 31, 2023Assignee: SK hynix Inc.Inventors: Bo Ra Kim, Su Hae Woo, Jae Il Lim
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Patent number: 11621050Abstract: A semiconductor memory device includes a memory and a memory controller configured to control the memory. The memory controller includes a normal operation control part and a repair part. The normal operation control part is configured to control a normal operation of the memory and includes a plurality of storage spaces used while the normal operation is controlled. The repair part is configured to control a repair operation of the memory and stores faulty addresses detected while the repair operation is controlled into the plurality of storage spaces included in the normal operation control part.Type: GrantFiled: September 17, 2020Date of Patent: April 4, 2023Assignee: SK hynix Inc.Inventors: Jae Il Lim, Su Hae Woo
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Patent number: 11538550Abstract: A memory system includes a memory medium and a memory controller. The memory medium has a second address system that is different from a first address system of a host. The memory controller performs a control operation to access the memory medium based on a command from the host. The memory controller is configured to store a second address, corresponding to an address of a read data, when an error of the read data that is outputted from the memory medium is uncorrectable and is configured to repair a region of the memory medium, designated by the second address, when the region of the memory medium that is designated by the second address is repairable.Type: GrantFiled: June 26, 2020Date of Patent: December 27, 2022Assignee: SK hynix Inc.Inventors: Hyun Seok Kim, Yong Ju Kim, Su Hae Woo
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Publication number: 20220351801Abstract: A memory system includes a memory device and a memory controller. The memory controller includes a core processor and a built-in self-repair (BISR) logic circuit. The core processor includes a register file with a plurality of register values corresponding to a plurality of repair commands. The BISR logic circuit receives at least one of the plurality of register values from the core processor and converts the at least one of the plurality of register values into at least one of the repair commands to output the least one of the repair commands to the memory device. The core processor transmits the at least one of the plurality of register values to the BISR logic circuit in response to a firmware instruction that is output from an external firmware coupled to the memory controller.Type: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Applicant: SK hynix Inc.Inventors: Bo Ra KIM, Su Hae WOO, Jae Il LIM
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Patent number: 11424003Abstract: A memory controller includes a core processor and a built-in self-repair (BISR) logic circuit. The core processor includes a register file with a plurality of register values corresponding to repair commands that control a self-repair operation of a memory device. The BISR logic circuit receives at least one of the plurality of register values from the core processor and converts the at least one of the plurality of register values into at least one of the repair commands to output the least one of the repair commands to the memory device. The core processor transmits the at least one of the plurality of register values to the BISR logic circuit in response to a firmware instruction that is output from an external firmware coupled to the memory controller.Type: GrantFiled: March 16, 2021Date of Patent: August 23, 2022Assignee: SK hynix Inc.Inventors: Bo Ra Kim, Su Hae Woo, Jae Il Lim
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Publication number: 20220101941Abstract: A memory controller includes a core processor and a built-in self-repair (BISR) logic circuit. The core processor includes a register file with a plurality of register values corresponding to repair commands that control a self-repair operation of a memory device. The BISR logic circuit receives at least one of the plurality of register values from the core processor and converts the at least one of the plurality of register values into at least one of the repair commands to output the least one of the repair commands to the memory device. The core processor transmits the at least one of the plurality of register values to the BISR logic circuit in response to a firmware instruction that is output from an external firmware coupled to the memory controller.Type: ApplicationFiled: March 16, 2021Publication date: March 31, 2022Applicant: SK hynix Inc.Inventors: Bo Ra KIM, Su Hae WOO, Jae Il LIM
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Publication number: 20210295944Abstract: A semiconductor memory device includes a memory and a memory controller configured to control the memory. The memory controller includes a normal operation control part and a repair part. The normal operation control part is configured to control a normal operation of the memory and includes a plurality of storage spaces used while the normal operation is controlled. The repair part is configured to control a repair operation of the memory and stores faulty addresses detected while the repair operation is controlled into the plurality of storage spaces included in the normal operation control part.Type: ApplicationFiled: September 17, 2020Publication date: September 23, 2021Applicant: SK hynix Inc.Inventors: Jae Il LIM, Su Hae WOO
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Patent number: 10970208Abstract: A memory system includes a memory device including a main memory and a cache memory that includes a plurality of cache lines for caching data stored in the main memory, wherein each of the cache lines includes cache data, a valid bit indicating whether or not the corresponding cache data is valid, and a loading bit indicating whether or not read data of the main memory is being loaded; and a memory controller suitable for scheduling an operation of the memory device with reference to the valid bits and the loading bits.Type: GrantFiled: December 26, 2018Date of Patent: April 6, 2021Assignee: SK hynix Inc.Inventors: Seung-Gyu Jeong, Su-Hae Woo, Chang-Soo Ha
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Publication number: 20210090684Abstract: A memory system includes a memory medium and a memory controller. The memory medium has a second address system that is different from a first address system of a host. The memory controller performs a control operation to access the memory medium based on a command from the host. The memory controller is configured to store a second address, corresponding to an address of a read data, when an error of the read data that is outputted from the memory medium is unrepairable and is configured to repair a region of the memory medium, designated by the second address, when the region of the memory medium that is designated by the second address is repairable.Type: ApplicationFiled: June 26, 2020Publication date: March 25, 2021Applicant: SK hynix Inc.Inventors: Hyun Seok KIM, Yong Ju KIM, Su Hae WOO
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Patent number: 10861577Abstract: A test circuit includes a built-in self-test (BIST) circuit and a built-in repair analysis (BIRA) circuit. The built-in self-test (BIST) circuit performs a test operation for a plurality of memory packages to generate fail information. The built-in repair analysis (BIRA) circuit receives the fail information from the BIST circuit to select at least one of the plurality of memory packages as a repair target memory package. The repair target memory package is selected by considering an error correction capability of an error correction code (ECC) circuit and usability of redundancy regions included in each of the plurality of memory packages.Type: GrantFiled: November 30, 2018Date of Patent: December 8, 2020Assignee: SK hynix Inc.Inventor: Su Hae Woo
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Patent number: 10679691Abstract: A semiconductor system may include a memory device and a controller. The memory device may include a plurality of decks. Each of the decks may include word lines and bit lines alternately stacked. The controller may control an operation for data of the decks included in the memory device. The controller may include a counting circuit block for counting access numbers of the word lines and the bit lines. The counting circuit block may include a plurality of x-counting blocks corresponding to the word lines that are stacked a plurality of y-counting blocks corresponding to the bit lines that are stacked. The x-counting blocks may count access numbers of selected word lines in accordance with a selection signal of a corresponding deck among the decks. The y-counting block may count access numbers of selected bit lines in accordance with the selection signal of the corresponding deck.Type: GrantFiled: November 28, 2018Date of Patent: June 9, 2020Assignee: SK hynix Inc.Inventors: Seung Gyu Jeong, Do-Sun Hong, Su Hae Woo, Chang Soo Ha
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Publication number: 20200012601Abstract: A memory system includes a memory device including a main memory and a cache memory that includes a plurality of cache lines for caching data stored in the main memory, wherein each of the cache lines includes cache data, a valid bit indicating whether or not the corresponding cache data is valid, and a loading bit indicating whether or not read data of the main memory is being loaded; and a memory controller suitable for scheduling an operation of the memory device with reference to the valid bits and the loading bits.Type: ApplicationFiled: December 26, 2018Publication date: January 9, 2020Inventors: Seung-Gyu JEONG, Su-Hae WOO, Chang-Soo HA
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Publication number: 20190348103Abstract: A semiconductor system may include a memory device and a controller. The memory device may include a plurality of decks. Each of the decks may include word lines and bit lines alternately stacked. The controller may control an operation for data of the decks included in the memory device. The controller may include a counting circuit block for counting access numbers of the word lines and the bit lines. The counting circuit block may include a plurality of x-counting blocks corresponding to the word lines that are stacked a plurality of y-counting blocks corresponding to the bit lines that are stacked. The x-counting blocks may count access numbers of selected word lines in accordance with a selection signal of a corresponding deck among the decks. The y-counting block may count access numbers of selected bit lines in accordance with the selection signal of the corresponding deck.Type: ApplicationFiled: November 28, 2018Publication date: November 14, 2019Applicant: SK hynix Inc.Inventors: Seung Gyu JEONG, Do-Sun HONG, Su Hae WOO, Chang Soo HA
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Publication number: 20190325982Abstract: A test circuit includes a built-in self-test (BIST) circuit and a built-in repair analysis (BIRA) circuit. The built-in self-test (BIST) circuit performs a test operation for a plurality of memory packages to generate fail information. The built-in repair analysis (BIRA) circuit receives the fail information from the BIST circuit to select at least one of the plurality of memory packages as a repair target memory package. The repair target memory package is selected by considering an error correction capability of an error correction code (ECC) circuit and usability of redundancy regions included in each of the plurality of memory packages.Type: ApplicationFiled: November 30, 2018Publication date: October 24, 2019Applicant: SK hynix Inc.Inventor: Su Hae WOO
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Patent number: 10379978Abstract: A semiconductor system may be provided. The semiconductor system may include a fail information generator and a data mapping circuit. The fail information generator may detect a data fail address of a data storage region. The data mapping circuit may change a mapping table based on the data fail address, and transmit data to be stored at the data fail address in the data storage region, to a parity storage region.Type: GrantFiled: February 16, 2017Date of Patent: August 13, 2019Assignee: SK hynix Inc.Inventors: Young Ook Song, Hyun Seok Kim, Su Hae Woo
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Patent number: 10157152Abstract: A semiconductor device includes a plurality of memory controllers each of which includes a local buffer, a global buffer coupled to the plurality of memory controllers and including areas respectively allocated to the plurality of memory controllers, and a global buffer controller that controls sizes of the allocated areas of the global buffer.Type: GrantFiled: September 23, 2015Date of Patent: December 18, 2018Assignees: SK HYNIX INC., INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITYInventors: Kihyun Park, Su-Hae Woo, Sungho Kang
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Publication number: 20180032415Abstract: A semiconductor system may be provided. The semiconductor system may include a fail information generator and a data mapping circuit. The fail information generator may detect a data fail address of a data storage region. The data mapping circuit may change a mapping table based on the data fail address, and transmit data to be stored at the data fail address in the data storage region, to a parity storage region.Type: ApplicationFiled: February 16, 2017Publication date: February 1, 2018Applicant: SK hynix Inc.Inventors: Young Ook SONG, Hyun Seok KIM, Su Hae WOO
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Publication number: 20160154750Abstract: A semiconductor device includes a plurality of memory controllers each of which includes a local buffer, a global buffer coupled to the plurality of memory controllers and including areas respectively allocated to the plurality of memory controllers, and a global buffer controller that controls sizes of the allocated areas of the global buffer.Type: ApplicationFiled: September 23, 2015Publication date: June 2, 2016Inventors: Kihyun PARK, Su-Hae WOO, Sungho KANG