Patents by Inventor Young-Sik Koh
Young-Sik Koh 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: 20240177754Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: ApplicationFiled: February 8, 2024Publication date: May 30, 2024Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE
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Patent number: 11972839Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: July 26, 2022Date of Patent: April 30, 2024Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11915790Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: May 26, 2022Date of Patent: February 27, 2024Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Publication number: 20220366953Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: ApplicationFiled: July 26, 2022Publication date: November 17, 2022Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE
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Patent number: 11468921Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit, the interface circuit storing first system data, and a semiconductor memory; and a controller configured to output a read enable signal and a first read command for the first system data to the memory device. The semiconductor memory transfers a data strobe signal to the interface circuit in response to the read enable signal, the interface circuit reads the first system data in response to the first read command and transmits the read first system data to the controller in synchronization with the data strobe signal.Type: GrantFiled: June 9, 2021Date of Patent: October 11, 2022Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Publication number: 20220284937Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: ApplicationFiled: May 26, 2022Publication date: September 8, 2022Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11430490Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit, the interface circuit storing first system data, and a semiconductor memory; and a controller configured to output a read enable signal and a first read command for the first system data to the memory device. The semiconductor memory transfers a data strobe signal to the interface circuit in response to the read enable signal, the interface circuit reads the first system data in response to the first read command and transmits the read first system data to the controller in synchronization with the data strobe signal.Type: GrantFiled: June 9, 2021Date of Patent: August 30, 2022Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11404097Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: August 13, 2020Date of Patent: August 2, 2022Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11361804Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: August 13, 2020Date of Patent: June 14, 2022Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11170831Abstract: A memory system includes: a memory device suitable for storing a data; a controller suitable for controlling an operation of the memory device based on a control signal; and an interface device includes a signal transfer device suitable for transferring the control signal from the controller to the memory device and transferring the data between the memory device and the controller; and a signal control device suitable for controlling an operation of the signal transfer device in response to an interface control signal included in the control signal, wherein the interface control signal includes a blocking command for stopping an operation of the signal transfer device, a correction command for correcting a duty cycle of the control signal, and an unblocking command for resuming the operation in response to the corrected control signal, of the signal transfer device.Type: GrantFiled: June 8, 2020Date of Patent: November 9, 2021Assignee: SK hynix Inc.Inventor: Young-Sik Koh
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Patent number: 11150838Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller configured to generate a command set in response to a host command and output the command set to the memory device. The interface circuit is configured to: receive the command set, transmit the received command set to the semiconductor memory, when the received command set corresponds to the semiconductor memory, perform a blocking operation so that the received command set is not transmitted to the semiconductor memory, when the received command set corresponds to the interface circuit, and perform an on-die termination operation, a ZQ calibration operation, or a driving force control operation of the interface circuit in response to the received command set corresponding to the interface circuit.Type: GrantFiled: November 11, 2019Date of Patent: October 19, 2021Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11139010Abstract: Provided is a method for operating an interface circuit of a memory device. The method includes receiving a command from a controller; determining whether the command is for a semiconductor memory or the interface circuit, the semiconductor memory operatively coupled to the interface circuit; and when it is determined that the command is for the interface circuit, performing a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performing an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: August 13, 2020Date of Patent: October 5, 2021Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11133080Abstract: The present technology includes a memory device and a method of operating the same. The memory device in which an interface circuit and a semiconductor memory are packaged together includes a centrally located region in a ball mapping region of a memory device in which data input/output pins for an operation of the interface circuit and the semiconductor memory are disposed, and a test pin region in which test pins for a test operation of the interface circuit are disposed.Type: GrantFiled: December 26, 2019Date of Patent: September 28, 2021Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Publication number: 20210295882Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit, the interface circuit storing first system data, and a semiconductor memory; and a controller configured to output a read enable signal and a first read command for the first system data to the memory device. The semiconductor memory transfers a data strobe signal to the interface circuit in response to the read enable signal, the interface circuit reads the first system data in response to the first read command and transmits the read first system data to the controller in synchronization with the data strobe signal.Type: ApplicationFiled: June 9, 2021Publication date: September 23, 2021Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE
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Publication number: 20210295883Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit, the interface circuit storing first system data, and a semiconductor memory; and a controller configured to output a read enable signal and a first read command for the first system data to the memory device. The semiconductor memory transfers a data strobe signal to the interface circuit in response to the read enable signal, the interface circuit reads the first system data in response to the first read command and transmits the read first system data to the controller in synchronization with the data strobe signal.Type: ApplicationFiled: June 9, 2021Publication date: September 23, 2021Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE
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Patent number: 11069387Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller configured to generate a command for controlling the memory device and output the command to the memory device. The interface circuit receives the command, transmits the received command to the semiconductor memory when the received command corresponds to the semiconductor memory, and performs a training operation of the interface circuit when the received command corresponds to the interface circuit and the received command is a specific command.Type: GrantFiled: November 11, 2019Date of Patent: July 20, 2021Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11062742Abstract: The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit, the interface circuit storing first system data, and a semiconductor memory; and a controller configured to output a read enable signal and a first read command for the first system data to the memory device. The semiconductor memory transfers a data strobe signal to the interface circuit in response to the read enable signal, the interface circuit reads the first system data in response to the first read command and transmits the read first system data to the controller in synchronization with the data strobe signal.Type: GrantFiled: November 11, 2019Date of Patent: July 13, 2021Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Publication number: 20200381070Abstract: The present technology includes a memory device and a method of operating the same. The memory device in which an interface circuit and a semiconductor memory are packaged together includes a centrally located region in a ball mapping region of a memory device in which data input/output pins for an operation of the interface circuit and the semiconductor memory are disposed, and a test pin region in which test pins for a test operation of the interface circuit are disposed.Type: ApplicationFiled: December 26, 2019Publication date: December 3, 2020Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE
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Publication number: 20200372940Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: ApplicationFiled: August 13, 2020Publication date: November 26, 2020Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE
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Publication number: 20200372941Abstract: Provided is a method for operating an interface circuit of a memory device. The method includes receiving a command from a controller; determining whether the command is for a semiconductor memory or the interface circuit, the semiconductor memory operatively coupled to the interface circuit; and when it is determined that the command is for the interface circuit, performing a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performing an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: ApplicationFiled: August 13, 2020Publication date: November 26, 2020Inventors: Chang Kyun PARK, Young Sik KOH, Seung Jin PARK, Dong Hyun LEE