Patents by Inventor Jeong Don Ihm
Jeong Don Ihm 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: 20210151089Abstract: Provided is a nonvolatile memory including a clock pin configured to receive an external clock signal during a duty correction circuit training period; a plurality of memory chips configured to perform a duty correction operation on an internal clock signal based on the external clock signal, the plurality of memory chips configured to perform the duty correction operation in parallel during the training period; and an input/output pin commonly connected to the plurality of memory chips, wherein each of the plurality of memory chips includes: a duty correction circuit (DCC) configured to perform the duty correction operation on the internal clock signal; and an output buffer connected between an output terminal of the DCC and the input/output pin.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Jung-june Park, Jeong-don Ihm, Byung-hoon Jeong, Eun-ji Kim, Ji-yeon Shin, Young-don Choi
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Publication number: 20210151117Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.Type: ApplicationFiled: January 29, 2021Publication date: May 20, 2021Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
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Patent number: 10964360Abstract: A memory device includes; a first memory chip including a first on-die Termination (ODT) circuit comprising a first ODT resistor, a second memory chip including a second ODT circuit comprising a second ODT resistor, at least one chip enable signal pin that receives at least one chip enable signal, wherein the at least one chip enable signal selectively enables at least one of the first memory chip and the second memory chip, and an ODT pin commonly connected to the first memory chip and the second memory chip that receives an ODT signal, wherein the ODT signal defines an enable period for at least one of the first ODT circuit and the second ODT circuit, and in response to the ODT signal and the at least one chip enable signal, one of the first ODT resistor and the second ODT resistor is enabled to terminate a signal received by at least one of the first memory chip and the second memory chip.Type: GrantFiled: May 15, 2020Date of Patent: March 30, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 10937474Abstract: Provided is a nonvolatile memory including a clock pin configured to receive an external clock signal during a duty correction circuit training period; a plurality of memory chips configured to perform a duty correction operation on an internal clock signal based on the external clock signal, the plurality of memory chips configured to perform the duty correction operation in parallel during the training period; and an input/output pin commonly connected to the plurality of memory chips, wherein each of the plurality of memory chips includes: a duty correction circuit (DCC) configured to perform the duty correction operation on the internal clock signal; and an output buffer connected between an output terminal of the DCC and the input/output pin.Type: GrantFiled: October 30, 2019Date of Patent: March 2, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-june Park, Jeong-don Ihm, Byung-hoon Jeong, Eun-ji Kim, Ji-yeon Shin, Young-don Choi
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Patent number: 10937471Abstract: A non-volatile memory device includes a serial pipeline structure connected to an output stage of a First In, First Out (FIFO) memory. The FIFO memory is configured to store data transmitted through a data path having a wave pipeline structure based on a plurality of FIFO input clock signals and output the stored data based on a plurality of FIFO output clock signals. A serializer is configured to output data to an input/output pad based on a select clock signal. The serial pipeline structure is connected between the FIFO memory and the serializer and configured to compensate for a phase difference between the data output from the FIFO memory and the select clock signal.Type: GrantFiled: July 20, 2020Date of Patent: March 2, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-Su Jang, Man-Jae Yang, Jeong-Don Ihm, Go-Eun Jung, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 10916315Abstract: A nonvolatile memory device includes a first memory cell array, a first bi-directional multiplexer, a first register, a second register, a first I/O pad and a second I/O pad. The first memory cell array stores first data. The first bi-directional multiplexer receives the first data and distributes the first data into first sub-data and second sub-data. The first register stores first sub-data from the first bi-directional multiplexer. The second register stores second sub-data from a second bi-directional multiplexer. The first I/O pad outputs the first sub-data from the first register to outside. The second I/O pad outputs the second sub-data from the second register to the outside.Type: GrantFiled: January 31, 2020Date of Patent: February 9, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Seung Woo Yu, Sang Lok Kim, Byung Kwan Chun, Byung Hoon Jeong, Jeong Don Ihm, Young Don Choi
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Publication number: 20200402592Abstract: A non-volatile memory device includes a memory cell region including a first metal pad and a memory cell array including a plurality of memory cells, and a peripheral circuit region including a second metal pad and an output driver to output a data signal, and vertically connected to the memory cell region by the first metal pad and the second metal pad. The output driver includes a pull-up driver and a pull-down driver. The pull-up driver includes a first pull-up driver having a plurality of P-type transistors and a second pull-up driver having a plurality of N-type transistors. The pull-down driver includes a plurality of N-type transistors. One or more power supply voltages having different voltage levels are selectively applied to the pull-up driver. A first power supply voltage is applied to the first pull-up driver, and a second power supply voltage is applied to the second pull-up driver.Type: ApplicationFiled: September 2, 2020Publication date: December 24, 2020Inventors: Ji-yeon SHIN, Jeong-don IHM, Byung-hoon JEONG, Jung-june PARK
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Publication number: 20200379862Abstract: A memory device includes a path state check circuit configured to check states of signal transmission paths, each signal transmission path including a data transmission path and a clock transmission path of the memory device. The path state check circuit includes a sampling circuit configured to perform a sampling operation by using pattern data that has passed through the data transmission path and a clock signal that has passed through the clock transmission path, and generate sample data, and a management circuit configured to generate a comparison of the sample data with the pattern data and manage check result information indicating whether a re-training operation for the memory device is to be performed, based on a result of the comparison.Type: ApplicationFiled: August 21, 2020Publication date: December 3, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Won-joo Jung, Jang-woo Lee, Byung-hoon Jeong, Jeong-don Ihm
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Publication number: 20200365225Abstract: Provided are multi-chip packages. A multi-chip package includes a first memory chip and a second memory chip on a printed circuit board; a memory controller electrically connected to the first memory chip and the second memory chip via a first bonding wire and a second bonding wire; and a strength control module configured to control a drive strength of each of a first output driver of the first memory chip and a second output driver of the second memory chip, wherein the memory controller includes an interface circuit configured to receive each of first test data and second test data from the first output driver and the second output driver in which the drive strength is set by the strength control module, and output detection data for detecting whether the first bonding wire and the bonding wire are short-circuited based on the first and second test data.Type: ApplicationFiled: August 4, 2020Publication date: November 19, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Dae Hoon NA, Jang Woo LEE, Jin Do BYUN, Jeong Don IHM
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Publication number: 20200349986Abstract: A non-volatile memory device includes a serial pipeline structure connected to an output stage of a First In, First Out (FIFO) memory. The FIFO memory is configured to store data transmitted through a data path having a wave pipeline structure based on a plurality of FIFO input clock signals and output the stored data based on a plurality of FIFO output clock signals. A serializer is configured to output data to an input/output pad based on a select clock signal. The serial pipeline structure is connected between the FIFO memory and the serializer and configured to compensate for a phase difference between the data output from the FIFO memory and the select clock signal.Type: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Inventors: Dong-Su Jang, Man-Jae Yang, Jeong-Don Ihm, Go-Eun Jung, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 10824575Abstract: A memory system and a buffer device include a structure for performing training operations for a plurality of memory devices to ensure data reliability. A memory controller is configured to control a memory operation for a plurality of memory devices. A memory module includes the plurality of memory devices and a buffer device connected between the memory devices and the memory controller. Training operations for the memory devices to be performed by the buffer device including a training block with a signal delay circuit, and the memory controller performs the training operations by controlling the training block.Type: GrantFiled: May 15, 2018Date of Patent: November 3, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jang-woo Lee, Jeong-don Ihm, Byung-hoon Jeong
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Patent number: 10770149Abstract: A non-volatile memory device includes an output driver to output a data signal. The output driver includes a pull-up driver and a pull-down driver. The pull-up driver includes a first pull-up driver having a plurality of P-type transistors and a second pull-up driver having a plurality of N-type transistors. The pull-down driver includes a plurality of N-type transistors. One or more power supply voltages having different voltage levels are selectively applied to the pull-up driver. A first power supply voltage is applied to the first pull-up driver, and a second power supply voltage is applied to the second pull-up driver.Type: GrantFiled: July 30, 2018Date of Patent: September 8, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Ji-yeon Shin, Jeong-don Ihm, Byung-hoon Jeong, Jung-june Park
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Publication number: 20200279591Abstract: A memory device includes; a first memory chip including a first on-die Termination (ODT) circuit comprising a first ODT resistor, a second memory chip including a second ODT circuit comprising a second ODT resistor, at least one chip enable signal pin that receives at least one chip enable signal, wherein the at least one chip enable signal selectively enables at least one of the first memory chip and the second memory chip, and an ODT pin commonly connected to the first memory chip and the second memory chip that receives an ODT signal, wherein the ODT signal defines an enable period for at least one of the first ODT circuit and the second ODT circuit, and in response to the ODT signal and the at least one chip enable signal, one of the first ODT resistor and the second ODT resistor is enabled to terminate a signal received by at least one of the first memory chip and the second memory chip.Type: ApplicationFiled: May 15, 2020Publication date: September 3, 2020Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
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Patent number: 10754563Abstract: A memory device includes a path state check circuit configured to check states of signal transmission paths, each signal transmission path including a data transmission path and a clock transmission path of the memory device. The path state check circuit includes a sampling circuit configured to perform a sampling operation by using pattern data that has passed through the data transmission path and a clock signal that has passed through the clock transmission path, and generate sample data, and a management circuit configured to generate a comparison of the sample data with the pattern data and manage check result information indicating whether a re-training operation for the memory device is to be performed, based on a result of the comparison.Type: GrantFiled: February 27, 2018Date of Patent: August 25, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Won-joo Jung, Jang-woo Lee, Byung-hoon Jeong, Jeong-don Ihm
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Publication number: 20200258589Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.Type: ApplicationFiled: April 30, 2020Publication date: August 13, 2020Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
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Publication number: 20200258583Abstract: A nonvolatile memory device includes a first memory cell array, a first bi-directional multiplexer, a first register, a second register, a first I/O pad and a second I/O pad. The first memory cell array stores first data. The first bi-directional multiplexer receives the first data and distributes the first data into first sub-data and second sub-data. The first register stores first sub-data from the first bi-directional multiplexer. The second register stores second sub-data from a second bi-directional multiplexer. The first I/O pad outputs the first sub-data from the first register to outside. The second I/O pad outputs the second sub-data from the second register to the outside.Type: ApplicationFiled: January 31, 2020Publication date: August 13, 2020Inventors: SEUNG WOO YU, SANG LOK KIM, BYUNG KWAN CHUN, BYUNG HOON JEONG, JEONG DON IHM, YOUNG DON CHOI
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Patent number: 10741225Abstract: A non-volatile memory device includes a serial pipeline structure connected to an output stage of a First In, First Out (FIFO) memory. The FIFO memory is configured to store data transmitted through a data path having a wave pipeline structure based on a plurality of FIFO input clock signals and output the stored data based on a plurality of FIFO output clock signals. A serializer is configured to output data to an input/output pad based on a select clock signal. The serial pipeline structure is connected between the FIFO memory and the serializer and configured to compensate for a phase difference between the data output from the FIFO memory and the select clock signal.Type: GrantFiled: February 26, 2020Date of Patent: August 11, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-Su Jang, Man-Jae Yang, Jeong-Don Ihm, Go-Eun Jung, Byung-Hoon Jeong, Young-Don Choi
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Publication number: 20200227131Abstract: Provided are multi-chip packages. A multi-chip package includes a first memory chip and a second memory chip on a printed circuit board; a memory controller electrically connected to the first memory chip and the second memory chip via a first bonding wire and a second bonding wire; and a strength control module configured to control a drive strength of each of a first output driver of the first memory chip and a second output driver of the second memory chip, wherein the memory controller includes an interface circuit configured to receive each of first test data and second test data from the first output driver and the second output driver in which the drive strength is set by the strength control module, and output detection data for detecting whether the first bonding wire and the bonding wire are short-circuited based on the first and second test data.Type: ApplicationFiled: August 12, 2019Publication date: July 16, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Dae Hoon NA, Jang Woo LEE, Jin Do BYUN, Jeong Don IHM
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Publication number: 20200194040Abstract: A non-volatile memory device includes a serial pipeline structure connected to an output stage of a First In, First Out (FIFO) memory. The FIFO memory is configured to store data transmitted through a data path having a wave pipeline structure based on a plurality of FIFO input clock signals and output the stored data based on a plurality of FIFO output clock signals. A serializer is configured to output data to an input/output pad based on a select clock signal. The serial pipeline structure is connected between the FIFO memory and the serializer and configured to compensate for a phase difference between the data output from the FIFO memory and the select clock signal.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Inventors: DONG-SU JANG, MAN-JAE YANG, JEONG-DON IHM, GO-EUN JUNG, BYUNG-HOON JEONG, YOUNG-DON CHOI
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Patent number: 10679717Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.Type: GrantFiled: May 30, 2019Date of Patent: June 9, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi