Patents by Inventor Perng-Fei Yuh

Perng-Fei Yuh 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: 20230282296
    Abstract: In some aspects of the present disclosure, a memory array includes: a plurality of memory cells; and a plurality of logic gates, each of the plurality of logic gates having a first input, a second input, and an output gating a corresponding one of the plurality of memory cells, wherein the first input of each of the plurality of logic gates of a first subset is coupled to a first bit select line.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 7, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Perng-Fei Yuh
  • Publication number: 20230282297
    Abstract: Systems, devices, and methods are described herein for a programmable memory array. A programmable memory system includes an array of programmable memory bit cells. A memory bit cell of the array includes a first transistor of a first type controlled by a bit line, a second transistor of a second type responsive to a first word line and a second word line via a logic gate, and a third transistor of the second type responsive to the word line. The first word line is positioned substantially perpendicular to the bit line, and the second word line is positioned substantially parallel to the bit line. The first word line is activated via an X portion of an address. While the second word line is activated via a Y portion of the address.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 7, 2023
    Inventors: Meng-Sheng Chang, Yoshitaka Yamauchi, Perng-Fei Yuh
  • Publication number: 20230282250
    Abstract: One aspect of this description relates to a memory array. The memory array includes a plurality of N-stack pass gates, a plurality of enable lines, a plurality of NMOS stacks, a plurality of word lines, and a matrix of resistive elements. Each N-stack pass gate includes a stage-1 PMOS core device and a stage-N PMOS core device in series. Each stage-1 PMOS is coupled to a voltage supply. Each enable line drives a stack pass gate. Each N-stack selector includes a plurality of NMOS stacks. Each NMOS stack includes a stage-1 NMOS core device and a stage-N NMOS core device in series. Each stage-1 NMOS core device is coupled to a ground rail. Each word line is driving a stack selector. Each resistive element is coupled between a stack pass gate and a stack selector. Each voltage supply is greater than a breakdown voltage for each of the core devices.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 7, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Perng-Fei Yuh, Meng-Sheng Chang, Tung-Cheng Chang, Yih Wang
  • Publication number: 20230282278
    Abstract: A memory circuit includes a bias voltage generator including a first buffer configured to generate a first bias voltage based on a reference voltage and a plurality of second buffers configured to generate a plurality of second bias voltages based on the first bias voltage. The memory circuit includes a plurality of voltage clamp devices coupled to the plurality of second buffers, and each voltage clamp device is configured to apply a drive voltage to a corresponding resistance-based memory device of a plurality of resistance-based memory devices based on the corresponding second bias voltage of the plurality of second bias voltages.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Perng-Fei YUH, Shao-Ting WU, Yu-Fan LIN
  • Patent number: 11735280
    Abstract: A memory device is disclosed, including a bit cell storing a bit data. The bit cell includes multiple first transistors coupled to a node, multiple second transistors each coupled in series to a corresponding one of the first transistors, and at least one third transistor. The first transistors are turned on in response to a control signal. The second transistors are turned on in response to a first word line signal. The at least one third transistor has a control terminal to receive a second word line signal. In a programming mode of the memory device, the at least one third transistor provides, in response to the second word line signal, an adjust voltage to the node. The adjust voltage is associated with a voltage level of a first terminal of the at least one third transistor.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: August 22, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Gu-Huan Li, Tung-Cheng Chang, Perng-Fei Yuh, Chia-En Huang, Chun-Ying Lee, Yih Wang
  • Publication number: 20230262969
    Abstract: The present disclosure provides a memory device, a semiconductor device, and a method of operating a memory device. A memory device includes a memory cell, a bit line, a word line, a select transistor, a fuse element, and a heater. The bit line is connected to the memory cell. The word line is connected to the memory cell. The select transistor is disposed in the memory cell. A gate of the select transistor is connected to the word line. The fuse element is disposed in the memory cell. The fuse element is connected to the bit line and the select transistor. The heater is configured to heat the fuse element.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 17, 2023
    Inventors: PERNG-FEI YUH, YIH WANG, MENG-SHENG CHANG, JUI-CHE TSAI, KU-FENG LIN, YU-WEI LIN, KEH-JENG CHANG, CHANSYUN DAVID YANG, SHAO-TING WU, SHAO-YU CHOU, PHILEX MING-YAN FAN, YOSHITAKA YAMAUCHI, TZU-HSIEN YANG
  • Publication number: 20230238042
    Abstract: Disclosed herein are related to a memory device including a set of memory cells and a memory controller. In one aspect, each of the set of memory cells includes a select transistor and a storage element connected in series between a corresponding bit line and a corresponding source line. In one aspect, the memory controller is configured to apply a first write voltage to a bit line coupled to a selected memory cell, apply a second write voltage to a word line coupled to a gate electrode of a select transistor of the selected memory cell during a first time period, and apply a third write voltage to a source line coupled to the selected memory cell. The second write voltage may be between the first write voltage and the third write voltage.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 27, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Perng-Fei Yuh, Yih Wang
  • Patent number: 11688481
    Abstract: A memory device and a method of operating a memory device are disclosed. In one aspect, the memory device includes a plurality of non-volatile memory cells, each of the plurality of non-volatile memory cells is operatively coupled to a word line, a gate control line, and a bit line. Each of the plurality of non-volatile memory cells comprises a first transistor, a second transistor, a first diode-connected transistor, and a capacitor. The first transistor, second transistor, first diode-connected transistor are coupled in series, with the capacitor having a first terminal connected to a common node between the first diode-connected transistor and the second transistor.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: June 27, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Perng-Fei Yuh, Tung-Cheng Chang, Gu-Huan Li, Chia-En Huang, Jimmy Lee, Yih Wang
  • Patent number: 11682433
    Abstract: One aspect of this description relates to a memory array. The memory array includes a plurality of N-stack pass gates, a plurality of enable lines, a plurality of NMOS stacks, a plurality of word lines, and a matrix of resistive elements. Each N-stack pass gate includes a stage-1 PMOS core device and a stage-N PMOS core device in series. Each stage-1 PMOS is coupled to a voltage supply. Each enable line drives a stack pass gate. Each N-stack selector includes a plurality of NMOS stacks. Each NMOS stack includes a stage-1 NMOS core device and a stage-N N MOS core device in series. Each stage-1 NMOS core device is coupled to a ground rail. Each word line is driving a stack selector. Each resistive element is coupled between a stack pass gate and a stack selector. Each voltage supply is greater than a breakdown voltage for each of the core devices.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: June 20, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei Yuh, Meng-Sheng Chang, Tung-Cheng Chang, Yih Wang
  • Patent number: 11676676
    Abstract: In some aspects of the present disclosure, a memory array includes: a plurality of memory cells; and a plurality of logic gates, each of the plurality of logic gates having a first input, a second input, and an output gating a corresponding one of the plurality of memory cells, wherein the first input of each of the plurality of logic gates of a first subset is coupled to a first bit select line.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: June 13, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Perng-Fei Yuh
  • Publication number: 20230179186
    Abstract: A sense amplifier including a first input transistor having a first input gate and a first drain/source terminal, a second input transistor having a second input gate and a second drain/source terminal, a latch circuit, and a first capacitor. The latch circuit includes a first latch transistor having a third drain/source terminal connected to the first drain/source terminal and a second latch transistor having a fourth drain/source terminal connected to the second drain/source terminal. The first capacitor is connected on one side to the first input gate and on another side to the fourth drain/source terminal to reduce a coupling effect in the sense amplifier.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 8, 2023
    Inventors: Ku-Feng Lin, Jui-Che Tsai, Perng-Fei Yuh, Yih Wang
  • Patent number: 11664081
    Abstract: Systems, devices, and methods are described herein for a programmable memory array. A programmable memory system includes an array of programmable memory bit cells. A memory bit cell of the array includes a first transistor of a first type controlled by a bit line, a second transistor of a second type responsive to a first word line and a second word line via a logic gate, and a third transistor of the second type responsive to the word line. The first word line is positioned substantially perpendicular to the bit line, and the second word line is positioned substantially parallel to the bit line. The first word line is activated via an X portion of an address. While the second word line is activated via a Y portion of the address.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: May 30, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Sheng Chang, Yoshitaka Yamauchi, Perng-Fei Yuh
  • Patent number: 11657873
    Abstract: Disclosed herein is an integrated circuit including multiple magnetic tunneling junction (MTJ) cells coupled to a static random access memory (SRAM). In one aspect, the integrated circuit includes a SRAM having a first port and a second port, and a set of pass transistors coupled to the first port of the SRAM. In one aspect, the integrated circuit includes a set of MTJ cells, where each of the set of MTJ cells is coupled between a select line and a corresponding one of the set of pass transistors.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: May 23, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei Yuh, Yih Wang, Ku-Feng Lin, Jui-Che Tsai, Hiroki Noguchi, Fu-An Wu
  • Patent number: 11651819
    Abstract: A bias voltage generator includes a first current path, a first voltage clamp device, and a first buffer. The bias voltage generator receives a reference voltage and generates a first bias voltage based on a voltage difference between the reference voltage and a first drive voltage, the first voltage clamp device generates the first drive voltage based on the first bias voltage by applying the first drive voltage to the first current path, and the first buffer receives the first bias voltage and generates a second bias voltage based on the first bias voltage. A second current path includes a resistance-based memory device, and a second voltage clamp device generates a second drive voltage based on the second bias voltage and applies the second drive voltage to the second current path.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: May 16, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei Yuh, Shao-Ting Wu, Yu-Fan Lin
  • Publication number: 20230147686
    Abstract: A memory device has a plurality of bit cells, each of which includes an SRAM cell having a storage node selectively connectable to a first bit line in response to a control signal received on a first word line. Each bit cell further includes an MRAM cell selectively connectable to the storage node of the SRAM cell in response to a control signal received on a second word line.
    Type: Application
    Filed: January 2, 2023
    Publication date: May 11, 2023
    Inventors: Perng-Fei Yuh, Jui-Che Tsai, Hiroki Noguchi, Yih Wang
  • Patent number: 11601117
    Abstract: A sense amplifier including a first input transistor having a first input gate and a first drain/source terminal, a second input transistor having a second input gate and a second drain/source terminal, a latch circuit, and a first capacitor. The latch circuit includes a first latch transistor having a third drain/source terminal connected to the first drain/source terminal and a second latch transistor having a fourth drain/source terminal connected to the second drain/source terminal. The first capacitor is connected on one side to the first input gate and on another side to the fourth drain/source terminal to reduce a coupling effect in the sense amplifier.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: March 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ku-Feng Lin, Jui-Che Tsai, Perng-Fei Yuh, Yih Wang
  • Publication number: 20230062988
    Abstract: In some aspects of the present disclosure, a memory array includes: a plurality of memory cells; and a plurality of logic gates, each of the plurality of logic gates having a first input, a second input, and an output gating a corresponding one of the plurality of memory cells, wherein the first input of each of the plurality of logic gates of a first subset is coupled to a first bit select line.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Perng-Fei Yuh
  • Publication number: 20230067715
    Abstract: A method for fabricating an integrated circuit device is provided. The method includes forming a transistor device over a front side of the semiconductor substrate; forming a first contact feature in the semiconductor substrate, wherein the first contact feature is connected with a back side of a first source/drain feature of the transistor device; and forming a memory structure over a back side of the first contact feature facing away from the first source/drain feature.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei YUH, Chansyun David YANG, Keh-Jeng CHANG, Chan-Lon YANG
  • Publication number: 20230066618
    Abstract: One aspect of this description relates to a memory array. The memory array includes a plurality of N-stack pass gates, a plurality of enable lines, a plurality of NMOS stacks, a plurality of word lines, and a matrix of resistive elements. Each N-stack pass gate includes a stage-1 PMOS core device and a stage-N PMOS core device in series. Each stage-1 PMOS is coupled to a voltage supply. Each enable line drives a stack pass gate. Each N-stack selector includes a plurality of NMOS stacks. Each NMOS stack includes a stage-1 NMOS core device and a stage-N NMOS core device in series. Each stage-1 NMOS core device is coupled to a ground rail. Each word line is driving a stack selector. Each resistive element is coupled between a stack pass gate and a stack selector. Each voltage supply is greater than a breakdown voltage for each of the core devices.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Perng-Fei Yuh, Meng-Sheng Chang, Tung-Cheng Chang, Yih Wang
  • Publication number: 20230057357
    Abstract: A sense amplifier including a first input transistor having a first input gate and a first drain/source terminal, a second input transistor having a second input gate and a second drain/source terminal, a latch circuit, and a first capacitor. The latch circuit includes a first latch transistor having a third drain/source terminal connected to the first drain/source terminal and a second latch transistor having a fourth drain/source terminal connected to the second drain/source terminal. The first capacitor is connected on one side to the first input gate and on another side to the fourth drain/source terminal to reduce a coupling effect in the sense amplifier.
    Type: Application
    Filed: August 20, 2021
    Publication date: February 23, 2023
    Inventors: Ku-Feng Lin, Jui-Che Tsai, Perng-Fei Yuh, Yih Wang