Patents by Inventor YUNG CHUN LI

YUNG CHUN LI 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: 20250048252
    Abstract: A method performed by a User Equipment (UE) for Network Energy Saving (NES) is provided. The method receives, from a Base Station (BS), a Radio Resource Control (RRC) message including a Transmission Configuration Indication (TCI) list. The method stores the TCI list in the UE. The method receives, from the BS, a Downlink Control Information (DCI) format. The method then updates the TCI list stored in the UE based on the DCI format.
    Type: Application
    Filed: August 1, 2024
    Publication date: February 6, 2025
    Inventors: TZU-YUEH TSENG, Yung-Lan Tseng, Yen-Hua Li, Po-Chun Chou
  • Patent number: 12169702
    Abstract: An in-memory computing method and an in-memory computing apparatus are adapted to perform multiply-accumulate (MAC) operations on a memory by a processor. In the method, a pre-processing operation is respectively performed on input data and weight data to be written into input lines and memory cells of the memory to divide the input data and weight data into a primary portion and a secondary portion. The input data and the weight data divided into the primary portion and the secondary portion are written into the input lines and the memory cells in batches to perform the MAC operations and obtain a plurality of computation results. According to a numeric value of each of the computation results, the computation results are filtered. According to the portions to which the computation results correspond, a post-processing operation is performed on the filtered computation results to obtain output data.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: December 17, 2024
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Bo-Rong Lin, Yung-Chun Li, Han-Wen Hu, Huai-Mu Wang
  • Publication number: 20240386958
    Abstract: The application provides a content addressable memory (CAM) device and a method for searching and comparing data thereof. The CAM device comprises: a plurality of memory strings; and a sensing amplifier circuit coupled to the memory strings; wherein in data searching, a search data is compared with a storage data stored in the memory strings, the memory strings generate a plurality of string currents, the sensing amplifier circuit senses the string currents to generate a plurality of sensing results; based on the sensing results, a match degree between the search data and the storage data is determined as one of the follows: all-matched, partially-matched and all-mismatched.
    Type: Application
    Filed: July 26, 2024
    Publication date: November 21, 2024
    Inventors: Po-Hao TSENG, Yu-Hsuan LIN, Feng-Min LEE, Yung-Chun LI
  • Patent number: 12020747
    Abstract: A non-volatile memory and a programming method thereof are provided. The programming method of the non-volatile memory includes the following steps. A coarse programming procedure is performed for programing all of a plurality of memory cells at an erase state to 2{circumflex over (?)}N?1 or 2{circumflex over (?)}N program states. N is a positive integer. A fine programming procedure is performed for pushing all of memory cells into 2{circumflex over (?)}N?1 or 2{circumflex over (?)}N verify levels.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: June 25, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Po-Hao Tseng, Feng-Min Lee, Yung-Chun Li
  • Patent number: 11966628
    Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. A bit line corresponding to each vector data executes one time of bit-line-setup, and reads the MSB vector and the LSB vector of each vector data according to the bit line. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, and the effective bit number stored by each memory unit is less than 2.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: April 23, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Wei-Chen Wang, Han-Wen Hu, Yung-Chun Li, Huai-Mu Wang, Chien-Chung Ho, Yuan-Hao Chang, Tei-Wei Kuo
  • Patent number: 11955199
    Abstract: A memory chip, a memory device and an operation method are disclosed. The memory chip includes a number of memory units and a control logic circuit. The memory units could be configured as TLC, MLC or SLC. The control logic circuit is configured to use TLC programming approach to program MLC and SLC.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: April 9, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yung-Chun Li, Yu-Ming Huang
  • Patent number: 11914887
    Abstract: A storage device and a data accessing method are disclosed, wherein the storage device includes a memory circuit and a control circuit. The memory circuit includes a plurality of multi-level cells, and each of the multi-level cells is configured to store at least a first bit, a second bit and a third bit in at least a first page, a second page and a third page. The control circuit is configured to read the first bits according to a one-time reading operation related to the first bits, read the second bits according to M-times reading operations related to the second bits, and read the third bits according to N-times reading operations related to the third bits, wherein the difference between M and N is less than or equal to one.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: February 27, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yung-Chun Li, Han-Wen Hu, Bo-Rong Lin, Huai-Mu Wang
  • Publication number: 20240028211
    Abstract: A memory device for CIM, applicable to a 3D AND-type flash memory, includes a memory array, input word line pairs, and a signal processing circuit. The memory array includes first and second pairs of memory cells. Each first pair of memory cells includes a first memory cell set coupled to a first GBL and a second memory cell set coupled to a second GBL. Each second pair of memory cells includes a third memory cell set coupled to the first GBL and a fourth memory cell set coupled to the second GBL. Each input word line pair includes a first input word line coupled to the first and the second memory cell sets, and a second input word line coupled to the third and the fourth memory cell sets s. The signal processing circuit is coupled to the first and second global bit lines.
    Type: Application
    Filed: January 31, 2023
    Publication date: January 25, 2024
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Hang-Ting Lue, Tzu-Hsuan Hsu, Teng-Hao Yeh, Chih-Chang Hsieh, Chun-Hsiung Hung, Yung-Chun LI
  • Publication number: 20230410856
    Abstract: A memory chip, a memory device and an operation method are disclosed. The memory chip includes a number of memory units and a control logic circuit. The memory units could be configured as TLC, MLC or SLC. The control logic circuit is configured to use TLC programming approach to program MLC and SLC.
    Type: Application
    Filed: June 21, 2022
    Publication date: December 21, 2023
    Inventors: Yung-Chun LI, Yu-Ming HUANG
  • Publication number: 20230238037
    Abstract: The application provides a content addressable memory (CAM) memory device and a method for searching and comparing data thereof. The CAM memory device comprises: a plurality of CAM memory strings; and a sensing amplifier circuit coupled to the CAM memory strings; wherein in data searching, a search data is compared with a storage data stored in the CAM memory strings, the CAM memory strings generate a plurality of memory string currents, the sensing amplifier circuit senses the memory string currents to generate a plurality of sensing results: based on the sensing results, a match degree between the search data and the storage data is determined as one of the follows: all-matched, partially-matched and all-mismatched.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 27, 2023
    Inventors: Po-Hao TSENG, Yu-Hsuan LIN, Feng-Min LEE, Yung-Chun LI
  • Publication number: 20230221882
    Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. A bit line corresponding to each vector data executes one time of bit-line-setup, and reads the MSB vector and the LSB vector of each vector data according to the bit line. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, and the effective bit number stored by each memory unit is less than 2.
    Type: Application
    Filed: June 2, 2022
    Publication date: July 13, 2023
    Inventors: Wei-Chen WANG, Han-Wen HU, Yung-Chun LI, Huai-Mu WANG, Chien-Chung HO, Yuan-Hao CHANG, Tei-Wei KUO
  • Publication number: 20230221956
    Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. Each vector data is executed with a multiplying-operation, the MSB vector and the LSB vector of each vector data is executed with a first group-counting operation and a second group-counting operation respectively. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, the effective bit number stored by each memory unit is less than 2.
    Type: Application
    Filed: June 2, 2022
    Publication date: July 13, 2023
    Inventors: Wei-Chen WANG, Han-Wen HU, Yung-Chun LI, Huai-Mu WANG, Chien-Chung HO, Yuan-Hao CHANG, Tei-Wei KUO
  • Patent number: 11663074
    Abstract: Systems, methods, and apparatus including computer-readable mediums for determining read voltages for memory systems are provided. In one aspect, a memory system includes a memory storing data and a memory controller coupled to the memory. The memory controller is configured to: obtain a first reading output of target memory data in the memory using a first read voltage, and in response to determining that the first reading output fails to pass an Error-Correcting Code (ECC) test, provide the first read voltage to the memory. The memory is configured to: determine a second read voltage based on the first read voltage and generate a second reading output of the target memory data using the second read voltage.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: May 30, 2023
    Assignee: Macronix International Co., Ltd.
    Inventors: Yu-Ming Huang, Yung-Chun Li
  • Patent number: 11664058
    Abstract: A memory device and an operation method thereof are provided. The operation method includes: in a first phase, selecting a global signal line, selecting a first string select line, unselecting a second string select line, selecting a first word line, and unselecting a second word line; sensing during a second phase; in a third phase, keeping voltages of the global signal line, the selected first word line and the unselected second word line, unselecting the first string select line and selecting the second string select line to switch voltages of the first and the second string select lines; and sensing during a fourth phase.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: May 30, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Han-Wen Hu, Yung-Chun Li
  • Patent number: 11656988
    Abstract: A memory device and an operation method thereof are provided. The memory device includes: a plurality of page buffers, storing an input data; a plurality of memory planes coupled to the page buffers, based on received addresses of the memory planes, a plurality of weights stored in the memory planes, the memory planes performing bit multiplication on the weights and the input data in the page buffers in parallel to generate a plurality of bit multiplication results in parallel, the bit multiplication results stored back to the page buffers; and at least one accumulation circuit coupled to the page buffers, for performing bit accumulation on the bit multiplication results of the memory planes in parallel or in sequential to generate a multiply-accumulate (MAC) operation result.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: May 23, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Han-Wen Hu, Yung-Chun Li, Bo-Rong Lin, Huai-Mu Wang
  • Publication number: 20230153198
    Abstract: Systems, methods, and apparatus including computer-readable mediums for determining read voltages for memory systems are provided. In one aspect, a memory system includes a memory storing data and a memory controller coupled to the memory. The memory controller is configured to: obtain a first reading output of target memory data in the memory using a first read voltage, and in response to determining that the first reading output fails to pass an Error-Correcting Code (ECC) test, provide the first read voltage to the memory. The memory is configured to: determine a second read voltage based on the first read voltage and generate a second reading output of the target memory data using the second read voltage.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 18, 2023
    Inventors: Yu-Ming Huang, Yung-Chun Li
  • Publication number: 20230027384
    Abstract: A non-volatile memory and a programming method thereof are provided. The programming method of the non-volatile memory includes the following steps. A coarse programming procedure is performed for programing all of a plurality of memory cells at an erase state to 2?N-1 or 2?N program states. N is a positive integer. A fine programming procedure is performed for pushing all of memory cells into 2?N-1 or 2?N verify levels.
    Type: Application
    Filed: October 27, 2021
    Publication date: January 26, 2023
    Inventors: Po-Hao TSENG, Feng-Min LEE, Yung-Chun LI
  • Publication number: 20220334757
    Abstract: A storage device and a data accessing method are disclosed, wherein the storage device includes a memory circuit and a control circuit. The memory circuit includes a plurality of multi-level cells, and each of the multi-level cells is configured to store at least a first bit, a second bit and a third bit in at least a first page, a second page and a third page. The control circuit is configured to read the first bits according to a one-time reading operation related to the first bits, read the second bits according to M-times reading operations related to the second bits, and read the third bits according to N-times reading operations related to the third bits, wherein the difference between M and N is less than or equal to one.
    Type: Application
    Filed: August 17, 2021
    Publication date: October 20, 2022
    Inventors: Yung-Chun LI, Han-Wen HU, Bo-Rong LIN, Huai-Mu WANG
  • Publication number: 20220334964
    Abstract: A memory device and an operation method thereof are provided. The memory device includes: a plurality of page buffers, storing an input data; a plurality of memory planes coupled to the page buffers, based on received addresses of the memory planes, a plurality of weights stored in the memory planes, the memory planes performing bit multiplication on the weights and the input data in the page buffers in parallel to generate a plurality of bit multiplication results in parallel, the bit multiplication results stored back to the page buffers; and at least one accumulation circuit coupled to the page buffers, for performing bit accumulation on the bit multiplication results of the memory planes in parallel or in sequential to generate a multiply-accumulate (MAC) operation result.
    Type: Application
    Filed: December 6, 2021
    Publication date: October 20, 2022
    Inventors: Han-Wen HU, Yung-Chun LI, Bo-Rong LIN, Huai-Mu WANG
  • Patent number: 11386972
    Abstract: Systems, methods, and apparatus including computer-readable mediums for determining read voltages for memory systems with machine learning (ML) are provided. In one aspect, a memory system includes a memory and a memory controller configured to: obtain a first reading output of memory data using a first read voltage corresponding to a first set of parameters associated with the memory data; if the first reading output fails to pass an Error Correction Code (ECC) test, obtain a second reading output of the memory data using a second read voltage corresponding to a second set of parameters associated with the memory data and including the first set of parameters, the second read voltage being generated using at least one ML algorithm based on the second set of parameters; and if the second reading output passes the ECC test, output the second reading output as a target reading output of the memory data.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: July 12, 2022
    Assignee: Macronix International Co., Ltd.
    Inventors: Yung-Chun Li, Yu-Ming Huang, Chih-Huai Shih