Patents by Inventor Sang Sic Yoon
Sang Sic Yoon 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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Publication number: 20240185902Abstract: A semiconductor device includes a driving signal generation circuit configured to generate a pull-up driving signal that is enabled when a data clock input control signal is input during a normal operation, configured to generate a pull-down driving signal that is enabled when any one of a write signal and a read signal is input, and configured to generate the pull-down driving signal that is enabled after a set interval when a synchronization signal is input, and a sync enable signal generation circuit configured to generate a sync enable signal for receiving a data clock from a time at which the pull-up driving signal is enabled to a time at which the pull-down driving signal is enabled.Type: ApplicationFiled: April 17, 2023Publication date: June 6, 2024Applicant: SK hynix Inc.Inventors: Kang Sub KWAK, Sang Sic YOON
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Publication number: 20240061464Abstract: A semiconductor device includes a command pulse generation circuit configured to generate a first command pulse in synchronization with a frequency division clock and to generate a second command pulse in synchronization with an inverted frequency division clock, based on a test write command. The semiconductor device also includes an alignment data generation circuit configured to align first internal data in an in-phase manner to generate first alignment data, based on the first command pulse, and to align second internal data in an out-of-phase manner to generate second alignment data, based on the second command pulse. The semiconductor device further includes a phase detection circuit configured to determine synchronization states of a clock and the frequency division clock, based on the first alignment data and the second alignment data.Type: ApplicationFiled: August 11, 2023Publication date: February 22, 2024Applicant: SK hynix Inc.Inventors: Kyu Dong Hwang, Sang Sic YOON
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Publication number: 20230386532Abstract: A semiconductor system according to an embodiment of the present disclosure includes a controller configured to output a command address, a first chip selection signal, and a second chip selection signal, and a semiconductor device, including a first rank and a second rank, configured to receive the command address, the first chip selection signal, and the second chip selection signal and configured to calibrate each termination resistance value based on the command address, the first chip selection signal, and the second chip selection signal. The first rank calibrates the termination resistance value of the first rank to a target resistance value based on the command address and the first chip selection signal when a write operation on the first rank is performed, and the first rank calibrates the termination resistance value of the first rank to a dynamic resistance value based on the second chip selection signal when a write operation on the second rank is performed.Type: ApplicationFiled: August 14, 2023Publication date: November 30, 2023Applicant: SK hynix Inc.Inventors: Sang Sic YOON, Jung Taek YOU
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Publication number: 20230344429Abstract: A semiconductor system includes a controller configured to apply a command address, a first chip selection signal, and a second chip selection signal, and a semiconductor device including a first rank and a second rank configured to calibrate each termination resistance, based on the command address, the first chip selection signal, and the second chip selection signal.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: SK hynix Inc.Inventors: Chae Sung LIM, Jung Taek YOU, Saeng Hwan KIM, Sang Sic YOON, Hong Joo SONG
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Publication number: 20230335168Abstract: A semiconductor system includes a controller configured to transmit a command address and a plurality of read strobe signals, and a semiconductor device including a first rank and a second rank that are configured to receive the command address and the plurality of read strobe signals and to perform a write operation and a read operation based on the command address. In the semiconductor device, the first rank is configured to calibrate a termination resistance value of the first rank to a target resistance value when a write operation for the first rank is performed. In the semiconductor device, the first rank is configured to calibrate the termination resistance value of the first rank to a dynamic resistance value based on the plurality of read strobe signals when a write operation for the second rank is performed.Type: ApplicationFiled: March 1, 2023Publication date: October 19, 2023Applicant: SK hynix Inc.Inventors: Jung Taek YOU, Sang Sic YOON, Kyu Dong HWANG, Chae Sung LIM, Saeng Hwan KIM, Hong Joo SONG
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Patent number: 11783908Abstract: A memory device includes a first data strobe pad; a strobe signal generation circuit suitable for generating a read data strobe signal based on a read timing signal; a monitoring receiver suitable for receiving the read data strobe signal fed back through the first data strobe pad according to a monitoring enable signal; a sampler suitable for generating a sampling clock by sampling the fed back read data strobe signal according to a random clock; a first counter suitable for generating a first counting signal by counting the random clock; a second counter suitable for generating a second counting signal by counting the sampling clock; and a duty detector suitable for generating a duty ratio detection signal based on the first counting signal and the second counting signal.Type: GrantFiled: November 18, 2021Date of Patent: October 10, 2023Assignee: SK hynix Inc.Inventors: Young Jun Park, Young Jun Ku, Sang Sic Yoon
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Publication number: 20230305592Abstract: A memory system includes a memory controller and a memory device. The memory controller accesses the memory device by providing a system clock signal, a data clock signal, and a chip selection signal and provides a data clock enable signal to the memory device after the access to the memory device. The memory device communicates with the memory controller based on the system clock signal, the data clock signal, and the data clock enable signal.Type: ApplicationFiled: February 9, 2023Publication date: September 28, 2023Applicant: SK hynix Inc.Inventors: Kyu Dong HWANG, Sang Sic YOON
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Patent number: 11646097Abstract: A memory device includes a data pad; a read circuit outputting read or test data to the data pad according to a read timing signal and a read command; a write circuit receiving write data through the data pad according to a write timing signal; a test register circuit performing a preset operation on data and storing the data, and transferring the stored data as the test data in response to the read command, during a first test mode; a data compression circuit generating a test output signal by compressing the test data and outputting the test output signal to a first test output pad, during the first test mode; and a timing control circuit generating, according to first to third output control signals, the read timing signal and generating the write timing signal by delaying the read timing signal, during the first test mode.Type: GrantFiled: December 2, 2021Date of Patent: May 9, 2023Assignee: SK hynix Inc.Inventors: Young Jun Park, Young Jun Ku, In Keun Kim, Sang Sic Yoon
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Publication number: 20230011546Abstract: A memory device includes a data pad; a read circuit outputting read or test data to the data pad according to a read timing signal and a read command; a write circuit receiving write data through the data pad according to a write timing signal; a test register circuit performing a preset operation on data and storing the data, and transferring the stored data as the test data in response to the read command, during a first test mode; a data compression circuit generating a test output signal by compressing the test data and outputting the test output signal to a first test output pad, during the first test mode; and a timing control circuit generating, according to first to third output control signals, the read timing signal and generating the write timing signal by delaying the read timing signal, during the first test mode.Type: ApplicationFiled: December 2, 2021Publication date: January 12, 2023Inventors: Young Jun PARK, Young Jun KU, In Keun KIM, Sang Sic YOON
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Publication number: 20220300371Abstract: A semiconductor device includes a selection input circuit and a core data generation circuit. The selection input circuit is configured to generate selection data, a selection parity, and a selection data control signal from data, a parity, and a data control signal during a write operation and sets the selection data, the selection parity, and the selection data control signal to a predetermined logic level during a pattern write operation. The core data generation circuit is configured to receive drive data, a drive parity, and a drive data control signal driven by the selection data, the selection parity, and the selection data control signal to generate core data which are stored into a memory core according to whether an error correction operation and a data inversion operation is performed.Type: ApplicationFiled: June 9, 2022Publication date: September 22, 2022Applicant: SK hynix Inc.Inventor: Sang Sic YOON
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Patent number: 11409598Abstract: A semiconductor device includes a selection input circuit and a core data generation circuit. The selection input circuit is configured to generate selection data, a selection parity, and a selection data control signal from data, a parity, and a data control signal during a write operation and sets the selection data, the selection parity, and the selection data control signal to a predetermined logic level during a pattern write operation. The core data generation circuit is configured to receive drive data, a drive parity, and a drive data control signal driven by the selection data, the selection parity, and the selection data control signal to generate core data which are stored into a memory core according to whether an error correction operation and a data inversion operation is performed.Type: GrantFiled: June 23, 2020Date of Patent: August 9, 2022Assignee: SK hynix Inc.Inventor: Sang Sic Yoon
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Publication number: 20220076769Abstract: A memory device includes a first data strobe pad; a strobe signal generation circuit suitable for generating a read data strobe signal based on a read timing signal; a monitoring receiver suitable for receiving the read data strobe signal fed back through the first data strobe pad according to a monitoring enable signal; a sampler suitable for generating a sampling clock by sampling the fed back read data strobe signal according to a random clock; a first counter suitable for generating a first counting signal by counting the random clock; a second counter suitable for generating a second counting signal by counting the sampling clock; and a duty detector suitable for generating a duty ratio detection signal based on the first counting signal and the second counting signal.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: Young Jun Park, Young Jun Ku, Sang Sic Yoon
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Patent number: 11249680Abstract: A semiconductor system includes a semiconductor device and a controller. The semiconductor device includes a first memory rank and is configured to perform, in response to receiving a first write command, a first write operation of writing first data to the first memory rank. The semiconductor device includes a second memory rank and is configured to perform, in response to receiving a second write command, a second write operation of writing second data to the second memory rank. The controller is configured to receive at least one write request and responsively generate the first and second write commands separated in time so that a transition time interval between generation of the first write command and generation of the second write command is based on the second memory rank being different from the first memory rank and based on a comparison of a write preamble period to a write post-amble period.Type: GrantFiled: September 26, 2019Date of Patent: February 15, 2022Assignee: SK hynix Inc.Inventors: Min Su Park, Dong Kyun Kim, Sang Sic Yoon
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Publication number: 20210294693Abstract: A semiconductor device includes a selection input circuit and a core data generation circuit. The selection input circuit is configured to generate selection data, a selection parity, and a selection data control signal from data, a parity, and a data control signal during a write operation and sets the selection data, the selection parity, and the selection data control signal to a predetermined logic level during a pattern write operation. The core data generation circuit is configured to receive drive data, a drive parity, and a drive data control signal driven by the selection data, the selection parity, and the selection data control signal to generate core data which are stored into a memory core according to whether an error correction operation and a data inversion operation is performed.Type: ApplicationFiled: June 23, 2020Publication date: September 23, 2021Applicant: SK hynix Inc.Inventor: Sang Sic YOON
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Patent number: 11100962Abstract: A semiconductor device includes a power gating control block and a power gating circuit. The power gating control block activates a data power control signal during a period that is set by a target code, the period being from a point in time in which the semiconductor device enters a read mode or a write mode. In addition, the power gating control block deactivates an operation power control signal in a power-down mode. The power gating circuit inhibits a data power signal from being supplied to a data input/output block based on the data power control signal. Moreover, the power gating control block inhibits an operation power signal from being supplied to an internal operation control block based on the operation power control signal.Type: GrantFiled: July 30, 2020Date of Patent: August 24, 2021Assignee: SK hynix Inc.Inventors: Yoo Jong Lee, Sang Sic Yoon
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Patent number: 11062749Abstract: A semiconductor device includes a read control circuit configured to generate first and second output control signals including pulses which are selectively generated, from first and second strobe signals depending on burst information; and a data output circuit configured to latch first internal data depending on the pulse of the first output control signal, transfer second internal data at a time when the second output control signal level-transitions, and generate output data from the latched first internal data and the transferred second internal data.Type: GrantFiled: June 18, 2020Date of Patent: July 13, 2021Assignee: SK hynix Inc.Inventors: Kwang Hun Lee, Sang Sic Yoon
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Publication number: 20210183419Abstract: A semiconductor device includes a read control circuit configured to generate first and second output control signals including pulses which are selectively generated, from first and second strobe signals depending on burst information; and a data output circuit configured to latch first internal data depending on the pulse of the first output control signal, transfer second internal data at a time when the second output control signal level-transitions, and generate output data from the latched first internal data and the transferred second internal data.Type: ApplicationFiled: June 18, 2020Publication date: June 17, 2021Applicant: SK hynix Inc.Inventors: Kwang Hun LEE, Sang Sic YOON
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Patent number: 11023065Abstract: In one embodiment, a touch sensor includes a first electrode, a second electrode, and a spacer layer located between the first electrode and the second electrode. One of the first electrode and the second electrode is a drive electrode to which a drive signal is applied. The other one of the first electrode and the second electrode is a receiving electrode that receives the drive signal by a mutual capacitance between the first electrode and the second electrode. When an external pressure is applied to the first electrode through a display, the first electrode is concavely bent toward the second electrode. The mutual capacitance between the first electrode and the second electrode changes according to a distance between the first electrode and the second electrode. The magnitude of the external pressure according to the change of the capacitance between the first electrode and the second electrode is detected.Type: GrantFiled: October 14, 2016Date of Patent: June 1, 2021Assignee: HIDEEP INC.Inventors: Sang Sic Yoon, Bon Kee Kim
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Patent number: 10990147Abstract: A semiconductor apparatus may include a logic circuit and a power control circuit. The logic circuit operates by being supplied with power through a power line. The power control circuit includes a plurality of power switches, and supplies a first power supply voltage and a second power supply voltage to the power line. When a mode of the semiconductor apparatus is changed, the power control circuit causes the plurality of power switches to sequentially stop supplying one of the first power supply voltage and the second power supply voltage to the power line, and then causes the plurality of power switches to sequentially supply the other of the first power supply voltage and the second power supply voltage to the power line.Type: GrantFiled: September 16, 2019Date of Patent: April 27, 2021Assignee: SK hynix Inc.Inventors: Woongrae Kim, Sang Sic Yoon
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Patent number: 10983646Abstract: A touch input device which includes a display module and is capable of detecting a pressure may be provided. The touch input device includes: a display module including a flat portion and at least one curved portion which extends from the flat portion and is curved with a predetermined curvature; and a pressure detection module which is formed under the display module and detects a touch pressure applied to a surface of the display module. The pressure detection module detects the touch pressure on the basis of a capacitance change amount according to a distance change between a reference potential layer and the pressure detection module. As a result, the touch input device including various types and forms of the display modules is capable of efficiently detecting the touch position and touch pressure.Type: GrantFiled: May 26, 2016Date of Patent: April 20, 2021Assignee: HiDeep Inc.Inventors: Sang Sic Yoon, Se Yeob Kim, Yun Joung Kim, Bon Kee Kim