Patents by Inventor Mu-Tien Chang

Mu-Tien Chang 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: 20240143173
    Abstract: A memory module includes a memory array, an interface and a controller. The memory array includes an array of memory cells and is configured as a dual in-line memory module (DIMM). The DIMM includes a plurality of connections that have been repurposed from a standard DIMM pin out configuration to interface operational status of the memory device to a host device. The interface is coupled to the memory array and the plurality of connections of the DIMM to interface the memory array to the host device. The controller is coupled to the memory array and the interface and controls at least one of a refresh operation of the memory array, control an error-correction operation of the memory array, control a memory scrubbing operation of the memory array, and control a wear-level control operation of the array, and the controller to interface with the host device.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Mu-Tien CHANG, Dimin NIU, Hongzhong ZHENG, Sun Young LIM, Indong KIM, Jangseok CHOI
  • Patent number: 11940922
    Abstract: A method of processing in-memory commands in a high-bandwidth memory (HBM) system includes sending a function-in-HBM instruction to the HBM by a HBM memory controller of a GPU. A logic component of the HBM receives the FIM instruction and coordinates the instructions execution using the controller, an ALU, and a SRAM located on the logic component.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mu-Tien Chang, Krishna T. Malladi, Dimin Niu, Hongzhong Zheng
  • Publication number: 20240004547
    Abstract: A 3D-stacked memory device including: a base die including a plurality of switches to direct data flow and a plurality of arithmetic logic units (ALUs) to compute data; a plurality of memory dies stacked on the base die; and an interface to transfer signals to control the base die.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Inventors: Mu-Tien Chang, Prasun Gera, Dimin Niu, Hongzhong Zheng
  • Patent number: 11789610
    Abstract: A 3D-stacked memory device including: a base die including a plurality of switches to direct data flow and a plurality of arithmetic logic units (ALUs) to compute data; a plurality of memory dies stacked on the base die; and an interface to transfer signals to control the base die.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mu-Tien Chang, Prasun Gera, Dimin Niu, Hongzhong Zheng
  • Publication number: 20230229555
    Abstract: A method of correcting a memory error of a dynamic random-access memory module (DRAM) using a double data rate (DDR) interface, the method includes conducting a memory transaction including multiple bursts with a memory controller to send data from data chips of the DRAM to the memory controller, detecting one or more errors using an ECC chip of the DRAM, determining a number of the bursts having the errors using the ECC chip of the DRAM, determining whether the number of the bursts having the errors is greater than a threshold number, determining a type of the errors, and directing the memory controller based on the determined type of the errors, wherein the DRAM includes a single ECC chip per memory channel.
    Type: Application
    Filed: March 28, 2023
    Publication date: July 20, 2023
    Inventors: Dimin NIU, Mu-Tien CHANG, Hongzhong ZHENG, Hyun-Joong KIM, Won-hyung SONG, Jangseok CHOI
  • Publication number: 20230119291
    Abstract: A method of processing in-memory commands in a high-bandwidth memory (HBM) system includes sending a function-in-HBM instruction to the HBM by a HBM memory controller of a GPU. A logic component of the HBM receives the FIM instruction and coordinates the instructions execution using the controller, an ALU, and a SRAM located on the logic component.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 20, 2023
    Inventors: Mu-Tien Chang, Krishna T. Malladi, Dimin Niu, Hongzhong Zheng
  • Patent number: 11625296
    Abstract: A method of correcting a memory error of a dynamic random-access memory module (DRAM) using a double data rate (DDR) interface, the method includes conducting a memory transaction including multiple bursts with a memory controller to send data from data chips of the DRAM to the memory controller, detecting one or more errors using an ECC chip of the DRAM, determining a number of the bursts having the errors using the ECC chip of the DRAM, determining whether the number of the bursts having the errors is greater than a threshold number, determining a type of the errors, and directing the memory controller based on the determined type of the errors, wherein the DRAM includes a single ECC chip per memory channel.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: April 11, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dimin Niu, Mu-Tien Chang, Hongzhong Zheng, Hyun-Joong Kim, Won-hyung Song, Jangseok Choi
  • Publication number: 20230087747
    Abstract: A high bandwidth memory system. In some embodiments, the system includes: a memory stack having a plurality of memory dies and eight 128-bit channels; and a logic die, the memory dies being stacked on, and connected to, the logic die; wherein the logic die may be configured to operate a first channel of the 128-bit channels in: a first mode, in which a first 64 bits operate in pseudo-channel mode, and a second 64 bits operate as two 32-bit fine-grain channels, or a second mode, in which the first 64 bits operate as two 32-bit fine-grain channels, and the second 64 bits operate as two 32-bit fine-grain channels.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 23, 2023
    Inventors: Krishna T. MALLADI, Mu-Tien CHANG, Dimin NIU, Hongzhong ZHENG
  • Patent number: 11568920
    Abstract: A memory device includes an array of 2T1C DRAM cells and a memory controller. The DRAM cells are arranged as a plurality of rows and columns of DRAM cells. The memory controller is internal to the memory device and is coupled to the array of DRAM cells. The memory controller is capable of receiving commands input to the memory device and is responsive to the received commands to control row-major access and column-major access to the array of DRAM cells. In one embodiment, each transistor of a memory cell includes a terminal directly coupled to a storage node of the capacitor. In another embodiment, a first transistor of a memory cell includes a terminal directly coupled to a storage node of the capacitor, and a second transistor of the 2T1C memory cell includes a gate terminal directly coupled to the storage node of the capacitor.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: January 31, 2023
    Inventors: Mu-Tien Chang, Dimin Niu, Hongzhong Zheng
  • Patent number: 11556476
    Abstract: A method of processing in-memory commands in a high-bandwidth memory (HBM) system includes sending a function-in-HBM instruction to the HBM by a HBM memory controller of a GPU. A logic component of the HBM receives the FIM instruction and coordinates the instructions execution using the controller, an ALU, and a SRAM located on the logic component.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mu-Tien Chang, Krishna T. Malladi, Dimin Niu, Hongzhong Zheng
  • Patent number: 11513965
    Abstract: A high bandwidth memory system. In some embodiments, the system includes: a memory stack having a plurality of memory dies and eight 128-bit channels; and a logic die, the memory dies being stacked on, and connected to, the logic die; wherein the logic die may be configured to operate a first channel of the 128-bit channels in: a first mode, in which a first 64 bits operate in pseudo-channel mode, and a second 64 bits operate as two 32-bit fine-grain channels, or a second mode, in which the first 64 bits operate as two 32-bit fine-grain channels, and the second 64 bits operate as two 32-bit fine-grain channels.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Krishna T. Malladi, Mu-Tien Chang, Dimin Niu, Hongzhong Zheng
  • Publication number: 20220358060
    Abstract: A memory module that includes a non-volatile memory and an asynchronous memory interface to interface with a memory controller is presented. The asynchronous memory interface may use repurposed pins of a double data rate (DDR) memory channel to send an asynchronous data to the memory controller. The asynchronous data may be device feedback indicating a status of the non-volatile memory.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 10, 2022
    Inventors: Dimin NIU, Mu-Tien CHANG, Hongzhong ZHENG, Sun Young LIM, lndong KIM, Jangseok CHOI, Craig HANSON
  • Patent number: 11397698
    Abstract: A memory module includes: a non-volatile memory; and an asynchronous memory interface to interface with a memory controller. The asynchronous memory interface may use repurposed pins of a double data rate (DDR) memory channel to send an asynchronous data to the memory controller. The asynchronous data may be device feedback indicating a status of the non-volatile memory.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: July 26, 2022
    Inventors: Dimin Niu, Mu-Tien Chang, Hongzhong Zheng, Sun Young Lim, Indong Kim, Jangseok Choi, Craig Hanson
  • Publication number: 20220229551
    Abstract: A memory module includes a memory array, an interface and a controller. The memory array includes an array of memory cells and is configured as a dual in-line memory module (DIMM). The DIMM includes a plurality of connections that have been repurposed from a standard DIMM pin out configuration to interface operational status of the memory device to a host device. The interface is coupled to the memory array and the plurality of connections of the DIMM to interface the memory array to the host device. The controller is coupled to the memory array and the interface and controls at least one of a refresh operation of the memory array, control an error-correction operation of the memory array, control a memory scrubbing operation of the memory array, and control a wear-level control operation of the array, and the controller to interface with the host device.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 21, 2022
    Inventors: Mu-Tien CHANG, Dimin NIU, Hongzhong ZHENG, Sun Young LIM, Indong KIM, Jangseok CHOI
  • Patent number: 11294571
    Abstract: A memory module includes a memory array, an interface and a controller. The memory array includes an array of memory cells and is configured as a dual in-line memory module (DIMM). The DIMM includes a plurality of connections that have been repurposed from a standard DIMM pin out configuration to interface operational status of the memory device to a host device. The interface is coupled to the memory array and the plurality of connections of the DIMM to interface the memory array to the host device. The controller is coupled to the memory array and the interface and controls at least one of a refresh operation of the memory array, control an error-correction operation of the memory array, control a memory scrubbing operation of the memory array, and control a wear-level control operation of the array, and the controller to interface with the host device.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: April 5, 2022
    Inventors: Mu-Tien Chang, Dimin Niu, Hongzhong Zheng, Sun Young Lim, Indong Kim, Jangseok Choi
  • Patent number: 11175853
    Abstract: A memory module includes a memory controller including: a host layer; a media layer coupled to a non-volatile memory; and a logic core coupled to the host layer, the media layer, and a volatile memory, the logic core storing a first write group table including a plurality of rows, and the logic core being configured to: receive a persistent write command including a cache line address and a write group identifier; receive data associated with the persistent write command; write the data to the volatile memory at the cache line address; store the cache line address in a selected buffer of a plurality of buffers in a second write group table, the selected buffer corresponding to the write group identifier; and update a row of the first write group table to identify locations of the selected buffer containing valid entries, the row corresponding to the write group identifier.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: November 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mu-Tien Chang, Dimin Niu, Hongzhong Zheng, Heehyun Nam, Youngjin Cho, Sun-Young Lim
  • Publication number: 20210311634
    Abstract: A 3D-stacked memory device including: a base die including a plurality of switches to direct data flow and a plurality of arithmetic logic units (ALUs) to compute data; a plurality of memory dies stacked on the base die; and an interface to transfer signals to control the base die.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Mu-Tien Chang, Prasun Gera, Dimin Niu, Hongzhong Zheng
  • Publication number: 20210294697
    Abstract: A method of correcting a memory error of a dynamic random-access memory module (DRAM) using a double data rate (DDR) interface, the method includes conducting a memory transaction including multiple bursts with a memory controller to send data from data chips of the DRAM to the memory controller, detecting one or more errors using an ECC chip of the DRAM, determining a number of the bursts having the errors using the ECC chip of the DRAM, determining whether the number of the bursts having the errors is greater than a threshold number, determining a type of the errors, and directing the memory controller based on the determined type of the errors, wherein the DRAM includes a single ECC chip per memory channel.
    Type: Application
    Filed: May 13, 2021
    Publication date: September 23, 2021
    Inventors: DIMIN NIU, Mu-Tien Chang, Hongzhong Zheng, Hyun-Joong Kim, Won-hyung Song, Jangseok Choi
  • Patent number: 11079936
    Abstract: A 3D-stacked memory device including: a base die including a plurality of switches to direct data flow and a plurality of arithmetic logic units (ALUs) to compute data; a plurality of memory dies stacked on the base die; and an interface to transfer signals to control the base die.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: August 3, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mu-Tien Chang, Prasun Gera, Dimin Niu, Hongzhong Zheng
  • Patent number: 11029879
    Abstract: A method of page size aware scheduling and a non-transitory computer-readable storage medium having recorded thereon a computer program for executing the method of page size aware scheduling are provided. The method includes determining a size of a media page; determining if the media page is open or closed; performing, by a memory controller, a speculative read operation if the media page is determined to be open; and performing, by the memory controller, a regular read operation if the media page is determined to be closed.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: June 8, 2021
    Inventors: Dimin Niu, Mu Tien Chang, Hongzhong Zheng, Sun Young Lim, Jae-Gon Lee, Indong Kim