Patents by Inventor Jui-Che Tsai

Jui-Che Tsai 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).

  • Patent number: 11949799
    Abstract: Disclosed is an input/output circuit for a physical unclonable function generator circuit. In one embodiment, a physical unclonable function (PUF) generator includes: a PUF cell array comprising a plurality of bit cells configured in a plurality of columns and at least one row, and at least one input/output (I/O) circuit each coupled to at least two neighboring columns of the PUF cell array, wherein the at least one I/O circuit each comprises a sense amplifier (SA) with no cross-coupled pair of transistors, wherein the SA comprises two cross-coupled inverters with no access transistor and a SA enable transistor, and wherein the at least one I/O circuit each is configured to access and determine logical states of at least two bit cells in the at least two neighboring columns; and based on the determined logical states of the plurality of bit cells, to generate a PUF signature.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: April 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jui-Che Tsai, Shih-Lien Linus Lu, Cheng Hung Lee, Chia-En Huang
  • Patent number: 11903188
    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: Grant
    Filed: February 16, 2022
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    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: 20240038281
    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 10, 2023
    Publication date: February 1, 2024
    Inventors: Ku-Feng Lin, Jui-Che Tsai, Perng-Fei Yuh, Yih Wang
  • Patent number: 11810635
    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: February 2, 2023
    Date of Patent: November 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ku-Feng Lin, Jui-Che Tsai, Perng-Fei Yuh, Yih Wang
  • Publication number: 20230333814
    Abstract: Compute-in memory (CIM) devices are provided. A memory is configured to multiply input data by a weight to obtain an adder input. An addition circuit is configured to receive the adder input to provide an adder output, and includes a pre-computation circuit and an adder tree. The pre-computation circuit includes a parameter extractor and a parameter identification circuit. The parameter extractor is configured to extract an input parameter from the adder input. The parameter identification circuit is configured to provide a pre-computation result corresponding to the input parameter as the adder output when determining that the input parameter is present in a parameter table, and provide a control signal when determining that the input parameter is not present in the parameter table. The adder tree is configured to provide the adder output according to the adder input in response to the control signal.
    Type: Application
    Filed: April 14, 2022
    Publication date: October 19, 2023
    Inventors: Jui-Che TSAI, Po-Hao LEE, Perng-Fei YUH, Yih WANG
  • Publication number: 20230298665
    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: Application
    Filed: April 14, 2023
    Publication date: September 21, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Perng-Fei Yuh, Yih Wang, Ku-Feng Lin, Jui-Che Tsai, Hiroki Noguchi, Fu-An Wu
  • Publication number: 20230290162
    Abstract: Systems, devices, computer-implemented methods, and/or computer program products that can facilitate pedestrian detection via a boundary cylinder model are addressed. In one example, a system can comprise a processor that executes computer executable components stored in memory. The computer-executable components can comprise a bounding cylinder model component that determines numerical values for height and radius parameters of a three-dimensional bounding cylinder model representing a pedestrian, and that generates the three-dimensional bounding cylinder model representing the pedestrian based on the numerical values.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 14, 2023
    Inventors: Sihao Ding, Jui-che Tsai
  • 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: 20230245696
    Abstract: A memory device includes a memory cell array including a plurality of bit cells, each of the bit cells coupled to one of a plurality of bit lines and one of a plurality of word lines, respectively, wherein each of the plurality of bit cells is configured to: present an initial logic state during a random number generator (RNG) phase; and operate as a memory cell at a first voltage level during a SRAM phase; and a controller controlling bit line signals on the plurality of bit lines and word line signals on the plurality of word lines, wherein the controller is configured to: during the RNG phase, precharge the plurality of bit lines to a second voltage level, and determine the initial logic states of the plurality of bit cells to generate at least one random number, wherein the second voltage level is lower than the first voltage level.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 3, 2023
    Inventors: Jui-Che Tsai, Chen-Lin Yang, Yu-Hao Hsu, Shih-Lien Linus Lu
  • 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: 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
  • 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
  • Publication number: 20230118295
    Abstract: A memory device is provided. The memory device includes a plurality of memory cells arranged in a matrix of a plurality of rows and a plurality of columns. A first column of the plurality of columns of the matrix includes a first plurality of memory cells of the plurality of memory cells, a first pair of bit lines connected to each of the first plurality of bit cells, and a second pair of bit lines connectable to the first pair of bit lines through a plurality of switches.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 20, 2023
    Inventors: Chia-En Huang, Hidehiro Fujiwara, Yen-Huei Chen, Jui-Che Tsai, Yih Wang
  • Patent number: 11626157
    Abstract: A memory device includes a memory cell array including a plurality of bit cells, each of the bit cells coupled to one of a plurality of bit lines and one of a plurality of word lines, respectively, wherein each of the plurality of bit cells is configured to: present an initial logic state during a random number generator (RNG) phase; and operate as a memory cell at a first voltage level during a SRAM phase; and a controller controlling bit line signals on the plurality of bit lines and word line signals on the plurality of word lines, wherein the controller is configured to: during the RNG phase, precharge the plurality of bit lines to a second voltage level, and determine the initial logic states of the plurality of bit cells to generate at least one random number, wherein the second voltage level is lower than the first voltage level.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: April 11, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jui-Che Tsai, Chen-Lin Yang, Yu-Hao Hsu, Shih-Lien Linus Lu
  • Publication number: 20230106743
    Abstract: A PUF generator includes a difference generator circuit with first and second transistors having a first predetermined VT. The difference generator circuit is configured to provide a first output signal for generating a PUF signature based on respective turn on times of the first and second transistors. An amplifier includes a plurality of transistors having a second predetermined VT. The amplifier is configured to receive the first output signal and output the PUF signature.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 6, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih-Lien Linus Lu, Jui-Che Tsai, Cheng-En Lee
  • 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: 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
  • Patent number: 11545218
    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: Grant
    Filed: November 10, 2020
    Date of Patent: January 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Perng-Fei Yuh, Jui-Che Tsai, Hiroki Noguchi, Yih Wang
  • Patent number: 11532351
    Abstract: A memory device is provided. The memory device includes a plurality of memory cells arranged in a matrix of a plurality of rows and a plurality of columns. A first column of the plurality of columns of the matrix includes a first plurality of memory cells of the plurality of memory cells, a first pair of bit lines connected to each of the first plurality of bit cells, and a second pair of bit lines connectable to the first pair of bit lines through a plurality of switches.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: December 20, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hidehiro Fujiwara, Chia-En Huang, Yen-Huei Chen, Jui-Che Tsai, Yih Wang
  • Patent number: 11528151
    Abstract: A PUF generator includes a difference generator circuit with first and second transistors having a first predetermined VT. The difference generator circuit is configured to provide a first output signal for generating a PUF signature based on respective turn on times of the first and second transistors. An amplifier includes a plurality of transistors having a second predetermined VT. The amplifier is configured to receive the first output signal and output the PUF signature.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: December 13, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Lien Linus Lu, Jui-Che Tsai, Cheng-En Lee