Patents by Inventor Chin-I Su

Chin-I Su 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: 20240036597
    Abstract: A voltage regulator circuit is provided. The voltage regulator circuit includes a voltage regulator configured to provide an output voltage at an output terminal. A plurality of macros are connectable at a plurality of connection nodes of a connector connected to the output terminal of the voltage regulator. A feedback circuit having a plurality of feedback loops is connectable to the plurality of connection nodes. The feedback loop of the plurality of feedback loops, when connected to a connection node of the plurality of connection nodes, is configured to provide an instantaneous voltage of the connection node as a feedback to the voltage regulator. The voltage regulator is configured, in response to the instantaneous voltage, regulate the output voltage to maintain the instantaneous voltage of the connection node approximately equal to a reference voltage.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Yu-Der Chih, Chin-I Su
  • Publication number: 20230377648
    Abstract: A method of operating a memory circuit includes generating a first current in response to a first voltage. The first current includes a first set of leakage currents and a first write current. The method further includes generating, by a tracking circuit, a second set of leakage currents configured to track the first set of leakage currents of the first column of memory cells, and mirroring the first current in a first path with a second current in a second path by a first current mirror. The second current includes the second set of leakage currents and a second write current. The first write current corresponds to the second write current. The first set of leakage currents corresponds to the second set of leakage currents.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Chin-I SU, Chung-Cheng CHOU, Yu-Der CHIH, Zheng-Jun LIN
  • Publication number: 20230335189
    Abstract: In some aspects of the present disclosure, a memory device is disclosed. In some aspects, the memory device includes a first voltage regulator to receive a word line voltage provided to a memory array; a resistor network coupled to the first voltage regulator to provide an inhibit voltage to the memory array, wherein the resistor network comprises a plurality of resistors and wherein each of the resistors are coupled in series to an adjacent one of the plurality of resistors; and a switch network comprising a plurality of switches, wherein each of the switches are coupled to a corresponding one of the plurality of resistors and to the memory array via a second voltage regulator.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 19, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zheng-Jun Lin, Chin-I Su, Pei-Ling Tseng, Chung-Cheng Chou
  • Patent number: 11735263
    Abstract: A method of operating a memory circuit includes generating a first voltage by a first amplifier circuit of a first driver circuit coupled to a first column of memory cells, and generating a first current in response to the first voltage. The first current includes a first set of leakage currents and a first write current. The method further includes generating, by a tracking circuit, a second set of leakage currents configured to track the first set of leakage currents of the first column of memory cells, and mirroring the first current in a first path with a second current in a second path by a first current mirror. The second current includes the second set of leakage currents and a second write current. The first write current corresponds to the second write current. The first set of leakage currents corresponds to the second set of leakage currents.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: August 22, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chin-I Su, Chung-Cheng Chou, Yu-Der Chih, Zheng-Jun Lin
  • Publication number: 20230253041
    Abstract: A memory circuit includes a first driver circuit, a memory cell array including a first column of memory cells, a first transistor coupled between the first driver circuit and the memory cell array, a second driver circuit, a first column of tracking cells and a header circuit coupled to the first driver circuit and the second driver circuit. The first transistor is configured to receive a first select signal. The first column of tracking cells is configured to track a leakage current of the first column of memory cells, and is coupled between a first conductive line and a second conductive line, the first conductive line being coupled to the second driver circuit.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 10, 2023
    Inventors: Chin-I SU, Chung-Cheng CHOU, Yu-Der CHIH, Zheng-Jun LIN
  • Patent number: 11715518
    Abstract: In some aspects of the present disclosure, a memory device is disclosed. In some aspects, the memory device includes a first voltage regulator to receive a word line voltage provided to a memory array; a resistor network coupled to the first voltage regulator to provide an inhibit voltage to the memory array, wherein the resistor network comprises a plurality of resistors and wherein each of the resistors are coupled in series to an adjacent one of the plurality of resistors; and a switch network comprising a plurality of switches, wherein each of the switches are coupled to a corresponding one of the plurality of resistors and to the memory array via a second voltage regulator.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: August 1, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Zheng-Jun Lin, Chin-I Su, Pei-Ling Tseng, Chung-Cheng Chou
  • Patent number: 11636896
    Abstract: A memory circuit includes a first driver circuit, a first column of memory cells coupled to the first driver circuit, a first current source, a tracking circuit configured to track a leakage current of the first column of memory cells, and a footer circuit coupled to the first column of memory cells, the first current source and the tracking circuit.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: April 25, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chin-I Su, Chung-Cheng Chou, Yu-Der Chih, Zheng-Jun Lin
  • Publication number: 20220359010
    Abstract: A method of operating a memory circuit includes generating a first voltage by a first amplifier circuit of a first driver circuit coupled to a first column of memory cells, and generating a first current in response to the first voltage. The first current includes a first set of leakage currents and a first write current. The method further includes generating, by a tracking circuit, a second set of leakage currents configured to track the first set of leakage currents of the first column of memory cells, and mirroring the first current in a first path with a second current in a second path by a first current mirror. The second current includes the second set of leakage currents and a second write current. The first write current corresponds to the second write current. The first set of leakage currents corresponds to the second set of leakage currents.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Inventors: Chin-I SU, Chung-Cheng CHOU, Yu-Der CHIH, Zheng-Jun LIN
  • Patent number: 11442482
    Abstract: A voltage regulator circuit is provided. The voltage regulator circuit includes a voltage regulator configured to provide an output voltage at an output terminal. A plurality of macros are connectable at a plurality of connection nodes of a connector connected to the output terminal of the voltage regulator. A feedback circuit having a plurality of feedback loops is connectable to the plurality of connection nodes. The feedback loop of the plurality of feedback loops, when connected to a connection node of the plurality of connection nodes, is configured to provide an instantaneous voltage of the connection node as a feedback to the voltage regulator. The voltage regulator is configured, in response to the instantaneous voltage, regulate the output voltage to maintain the instantaneous voltage of the connection node approximately equal to a reference voltage.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: September 13, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Yu-Der Chih, Chin-I Su
  • Publication number: 20220254412
    Abstract: In some aspects of the present disclosure, a memory device is disclosed. In some aspects, the memory device includes a first voltage regulator to receive a word line voltage provided to a memory array; a resistor network coupled to the first voltage regulator to provide an inhibit voltage to the memory array, wherein the resistor network comprises a plurality of resistors and wherein each of the resistors are coupled in series to an adjacent one of the plurality of resistors; and a switch network comprising a plurality of switches, wherein each of the switches are coupled to a corresponding one of the plurality of resistors and to the memory array via a second voltage regulator.
    Type: Application
    Filed: September 9, 2021
    Publication date: August 11, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Zheng-Jun Lin, Chin-I Su, Pei-Ling Tseng, Chung-Cheng Chou
  • Publication number: 20210407594
    Abstract: A memory circuit includes a first driver circuit, a first column of memory cells coupled to the first driver circuit, a first current source, a tracking circuit configured to track a leakage current of the first column of memory cells, and a footer circuit coupled to the first column of memory cells, the first current source and the tracking circuit.
    Type: Application
    Filed: November 24, 2020
    Publication date: December 30, 2021
    Inventors: Chin-I SU, Chung-Cheng CHOU, Yu-Der CHIH, Zheng-Jun LIN
  • Publication number: 20210096586
    Abstract: A voltage regulator circuit is provided. The voltage regulator circuit includes a voltage regulator configured to provide an output voltage at an output terminal. A plurality of macros are connectable at a plurality of connection nodes of a connector connected to the output terminal of the voltage regulator. A feedback circuit having a plurality of feedback loops is connectable to the plurality of connection nodes. The feedback loop of the plurality of feedback loops, when connected to a connection node of the plurality of connection nodes, is configured to provide an instantaneous voltage of the connection node as a feedback to the voltage regulator. The voltage regulator is configured, in response to the instantaneous voltage, regulate the output voltage to maintain the instantaneous voltage of the connection node approximately equal to a reference voltage.
    Type: Application
    Filed: September 2, 2020
    Publication date: April 1, 2021
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Yu-Der Chih, Chin-I Su