Patents by Inventor Lee Chung Lu

Lee Chung Lu 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: 11755798
    Abstract: A logic circuit including first and second inverters, first and second NAND circuits, a transmission gate, and a transmission-gate-substitute (TGS) circuit, and wherein: for each of the first and second NAND circuits, a first input is configured to receive corresponding first and second data signals, and a second input is configured to receive an enable signal; the first inverter is configured to receive an output of the first NAND circuit; the transmission gate and the TGS circuit are arranged as a combination circuit which is configured to receive an output of the second NAND circuit as a data input, and outputs of the first inverter and the second NAND circuit as control inputs; the second inverter is configured to receive an output of the combination circuit; and an output of the second inverter represents one of an enable XOR (EXOR) function or an enable XNR (EXNR) function.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chi-Lin Liu, Jerry Chang-Jui Kao, Wei-Hsiang Ma, Lee-Chung Lu, Fong-Yuan Chang, Sheng-Hsiung Chen, Shang-Chih Hsieh
  • Patent number: 11756999
    Abstract: In at least one cell region, a semiconductor device includes fin patterns and at least one overlying gate structure. The fin patterns (dummy and active) are substantially parallel to a first direction. Each gate structure is substantially parallel to a second direction (which is substantially perpendicular to the first direction). First and second active fin patterns have corresponding first and second conductivity types. Each cell region, relative to the second direction, includes: a first active region which includes a sequence of three or more consecutive first active fin patterns located in a central portion of the cell region; a second active region which includes one or more second active fin patterns located between the first active region and a first edge of the cell region; and a third active region which includes one or more second active fin patterns located between the first active region and a second edge of the cell region.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Chan Yang, Hui-Zhong Zhuang, Lee-Chung Lu, Ting-Wei Chiang, Li-Chun Tien
  • Patent number: 11755813
    Abstract: An IC structure includes a first cell and a first and second rail. The first cell includes a first and second active region and a first, a second and a third gate structure. The first active region having a first dopant type. The second active region having a second dopant type. The first gate structure extending in a second direction, overlapping the first or the second active region. The second gate structure extending in the second direction, and overlapping a first edge of the first or second active region. The third gate structure extending in the second direction, and overlapping at least a second edge of the first or second active region. The first rail extending in the first direction and overlapping a middle portion of the first active region. The second rail extending in the first direction and overlapping a middle portion of the second active region.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hui-Zhong Zhuang, Ting-Wei Chiang, Li-Chun Tien, Shun Li Chen, Lee-Chung Lu
  • Patent number: 11757435
    Abstract: A circuit includes first and second power nodes having differing first and second voltage levels, and a reference node having a reference voltage level. A master latch outputs a first data bit based on a received data bit; a slave latch includes a first inverter that outputs a second data bit based on the first data bit and a second inverter that outputs an output data bit based on a selected one of the first data bit or a third data bit; a level shifter outputs the third data bit based on a fourth data bit; and a retention latch outputs the fourth data bit based on the second data bit. The first and second inverters and the level shifter are coupled between the first power node and the reference node, and the retention latch includes a plurality of transistors coupled between the second power node and the reference node.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kai-Chi Huang, Yung-Chen Chien, Chi-Lin Liu, Wei-Hsiang Ma, Jerry Chang Jui Kao, Shang-Chih Hsieh, Lee-Chung Lu
  • Publication number: 20230275088
    Abstract: An integrated circuit structure includes a first transistor, a second transistor, a first conductive via, a second conductive via, and a connection line. The first transistor includes a first active region, a first gate electrode over the first active region; and a first channel in the first active region and under the first gate electrode. The second transistor includes a second active region, a second gate electrode over the second active region, and a second channel in the second active region and under the second gate electrode. The first conductive via is electrically connected to the first gate electrode. The second conductive via is electrically connected to the second gate electrode. The connection line electrically connects the first and second conductive vias. The first transistor and the first conductive via and the second transistor and the second conductive via are arranged mirror-symmetrically with respect to a symmetry plane.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Inventors: WEI-LING CHANG, LEE-CHUNG LU, XIANGDONG CHEN, KAM-TOU SIO, HSIANG-CHI HUANG
  • Publication number: 20230275081
    Abstract: A semiconductor device includes first and second cell rows, first to fourth fin shaped structures. The first cell row has a first row height. The second cell row is adjacent with the first cell row, and having a second row height. The first fin shaped structure extends across the first cell row. The second fin shaped structure extends across the first cell row, and separated from the first fin shaped structure. The third fin shaped structure extends across the second cell row. The fourth fin shaped structure extends across the second cell row, and separated from the third fin shaped structure. The first to fourth fin shaped structures are arranged in order along the first direction, each of the first, second and fourth fin shaped structure has a first conductive type, the third fin shaped structure has a second conductive type.
    Type: Application
    Filed: May 5, 2023
    Publication date: August 31, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hui-Zhong ZHUANG, Xiang-Dong CHEN, Lee-Chung LU, Tzu-Ying LIN, Yung-Chin HOU
  • Publication number: 20230275090
    Abstract: A semiconductor device includes a first cell in a first row, wherein the first row extends in a first direction, the first cell having a first cell height measured in a second direction perpendicular to the first direction. The semiconductor device further includes a second cell in the first row, wherein the second cell has a second cell height measured in the second direction, the second cell height is less than the first cell height. The second cell includes a first active region having a first width measured in the second direction, and a second active region having a second width measured in the second direction, wherein the second width is different from the first width.
    Type: Application
    Filed: June 10, 2022
    Publication date: August 31, 2023
    Inventors: Jiann-Tyng TZENG, Kam-Tou SIO, Shang-Wei FANG, Chun-Yen LIN, Sheng-Feng HUANG, Yi-Kan CHENG, Lee-Chung LU
  • Publication number: 20230253396
    Abstract: The present disclosure describes an example method for routing a standard cell with multiple pins. The method can include modifying a dimension of a pin of the standard cell, where the pin is spaced at an increased distance from a boundary of the standard cell than an original position of the pin. The method also includes routing an interconnect from the pin to a via placed on a pin track located between the pin and the boundary and inserting a keep out area between the interconnect and a pin from an adjacent standard cell. The method further includes verifying that the keep out area separates the interconnect from the pin from the adjacent standard cell by at least a predetermined distance.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Fong-yuan CHANG, Chun-Chen CHEN, Sheng-Hsiung CHEN, Ting-Wei CHIANG, Chung-Te LIN, Jung-Chan YANG, Lee-Chung LU, Po-Hsiang HUANG
  • Publication number: 20230253961
    Abstract: A flip-flop circuit includes a first inverter configured to receive a first clock signal and output a second clock signal, a second inverter configured to receive the second clock signal and output a third clock signal, a master stage, and a slave stage including a first feedback inverter and a first transmission gate. The first feedback inverter includes a first transistor configured to receive the first clock signal and a second transistor configured to receive the second clock signal, and the first transmission gate includes first and second input terminals configured to receive the second and third clock signals.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Yung-Chen CHIEN, Xiangdong CHEN, Hui-Zhong ZHUANG, Tzu-Ying LIN, Jerry Chang Jui KAO, Lee-Chung LU
  • Publication number: 20230253406
    Abstract: A semiconductor device having a standard cell, includes a first power supply line, a second power supply line, a first gate-all-around field effect transistor (GAA FET) disposed over a substrate, and a second GAA FET disposed above the first GAA FET. The first power supply line and the second power supply line are located at vertically different levels from each other.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Guo-Huei WU, Jerry Chang Jui KAO, Chih-Liang CHEN, Hui-Zhong ZHUANG, Jung-Chan YANG, Lee-Chung LU, Xiangdong CHEN
  • Publication number: 20230195991
    Abstract: A semiconductor device includes: M*1st conductors in a first layer of metallization (M*1st layer) and being aligned correspondingly along different corresponding ones of alpha tracks and representing corresponding inputs of a cell region in the semiconductor device; and M*2nd conductors in a second layer of metallization (M*2nd layer) aligned correspondingly along beta tracks, and the M*2nd conductors including at least one power grid (PG) segment and one or more of an output pin or a routing segment; and each of first and second ones of the input pins having a length sufficient to accommodate at most two access points; each of the access points of the first and second input pins being aligned to a corresponding different one of first to fourth beta tracks; and the PG segment being aligned with one of the first to fourth beta tracks.
    Type: Application
    Filed: February 7, 2023
    Publication date: June 22, 2023
    Inventors: Pin-Dai SUE, Po-Hsiang HUANG, Fong-Yuan CHANG, Chi-Yu LU, Sheng-Hsiung CHEN, Chin-Chou LIU, Lee-Chung LU, Yen-Hung LIN, Li-Chun TIEN, Yi-Kan CHENG
  • Publication number: 20230197723
    Abstract: An integrated circuit includes a first diffusion area for a first type transistor. The first type transistor includes a first drain region and a first source region. A second diffusion area for a second type transistor is separated from the first diffusion area. The second type transistor includes a second drain region and a second source region. A gate electrode continuously extends across the first diffusion area and the second diffusion area in a routing direction. A first metallic structure is electrically coupled with the first source region. A second metallic structure is electrically coupled with the second drain region. A third metallic structure is disposed over and electrically coupled with the first and second metallic structures. A width of the first metallic structure is substantially equal to or larger than a width of the third metallic structure.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Inventors: Ali KESHAVARZI, Ta-Pen GUO, Shu-Hui SUNG, Hsiang-Jen TSENG, Shyue-Shyh LIN, Lee-Chung LU, Chung-Cheng WU, Li-Chun TIEN, Jung-Chan YANG, Ting Yu CHEN, Min CAO, Yung-Chin HOU
  • Patent number: 11682671
    Abstract: An integrated circuit structure includes a first transistor, a second transistor, a first conductive via, a second conductive via, and a connection line. The first transistor includes a first active region, a first gate electrode over the first active region; and a first channel in the first active region and under the first gate electrode. The second transistor includes a second active region, a second gate electrode over the second active region, and a second channel in the second active region and under the second gate electrode. The first conductive via is electrically connected to the first gate electrode. The second conductive via is electrically connected to the second gate electrode. The connection line electrically connects the first and second conductive vias. The first transistor and the first conductive via and the second transistor and the second conductive via are arranged mirror-symmetrically with respect to a symmetry plane.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: June 20, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Wei-Ling Chang, Lee-Chung Lu, Xiangdong Chen, Kam-Tou Sio, Hsiang-Chi Huang
  • Patent number: 11682665
    Abstract: A semiconductor device includes first cell rows and second cell rows. The first cell rows extend in a first direction. Each of the first cell rows has a first row height. The second cell rows extend in the first direction. Each of the second cell rows has a second row height. The first row height is greater than the second row height. The first cell rows and the second cell rows are interlaced in a periodic sequence. A first row quantity of the first cell rows in the periodic sequence is greater than a second row quantity of the second cell rows in the periodic sequence.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: June 20, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hui-Zhong Zhuang, Xiang-Dong Chen, Lee-Chung Lu, Tzu-Ying Lin, Yung-Chin Hou
  • Patent number: 11677400
    Abstract: A circuit includes an input circuit, a level shifter circuit, an output circuit, and a first and a second feedback circuit. The input circuit is coupled to a first voltage supply, and configured to receive a first input signal, and to generate at least a second input signal. The level shifter circuit is coupled to a second voltage supply, and configured to generate at least a first and second signal responsive to at least the enable signal or the first input signal. The output circuit is coupled to at least the level shifter circuit and the second voltage supply, and configured to generate at least an output signal, a first and second feedback signal responsive to the first signal. The first and second feedback circuit are configured to receive the enable signal, and the inverted enable signal, and the corresponding first and second feedback signal.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: June 13, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Lun Ou, Ji-Yung Lin, Yung-Chen Chien, Ruei-Wun Sun, Wei-Hsiang Ma, Jerry Chang Jui Kao, Shang-Chih Hsieh, Lee-Chung Lu
  • Publication number: 20230170281
    Abstract: An integrated circuit (IC) package includes a logic die, a substrate, a memory die positioned between the logic die and the substrate, and a power distribution structure configured to electrically couple the logic die to the substrate. The power distribution structure includes a plurality of conductive segments positioned between the logic die and the memory die, a plurality of bump structures positioned between the memory die and the substrate, and a plurality of through-silicon vias (TSVs) electrically coupled to the plurality of conductive segments and the plurality of bump structures, and a TSV of the plurality of TSVs extends through, and is electrically isolated from, a memory macro of the memory die.
    Type: Application
    Filed: January 12, 2023
    Publication date: June 1, 2023
    Inventors: Hidehiro FUJIWARA, Tze-Chiang HUANG, Hong-Chen CHENG, Yen-Huei CHEN, Hung-Jen LIAO, Jonathan Tsung-Yung CHANG, Yun-Han LEE, Lee-Chung LU
  • Patent number: 11664383
    Abstract: A semiconductor structure is disclosed. The semiconductor structure includes: a first standard cell; and a second standard cell; wherein a cell width of the first standard cell along a first direction is substantially the same as a cell width of the second standard cell along the first direction, and a cell height of the first standard cell along a second direction perpendicular to the first direction is substantially greater than a cell height of the second standard cell along the second direction.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 30, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hsueh-Chih Chou, Chia Hao Tu, Sang Hoo Dhong, Lee-Chung Lu, Li-Chun Tien, Ting-Wei Chiang, Hui-Zhong Zhuang
  • Patent number: 11664380
    Abstract: A semiconductor device having a standard cell, includes a first power supply line, a second power supply line, a first gate-all-around field effect transistor (GAA FET) disposed over a substrate, and a second GAA FET disposed above the first GAA FET. The first power supply line and the second power supply line are located at vertically different levels from each other.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: May 30, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Guo-Huei Wu, Jerry Chang Jui Kao, Chih-Liang Chen, Hui-Zhong Zhuang, Jung-Chan Yang, Lee-Chung Lu, Xiangdong Chen
  • Patent number: 11637098
    Abstract: The present disclosure describes an example method for routing a standard cell with multiple pins. The method can include modifying a dimension of a pin of the standard cell, where the pin is spaced at an increased distance from a boundary of the standard cell than an original position of the pin. The method also includes routing an interconnect from the pin to a via placed on a pin track located between the pin and the boundary and inserting a keep out area between the interconnect and a pin from an adjacent standard cell. The method further includes verifying that the keep out area separates the interconnect from the pin from the adjacent standard cell by at least a predetermined distance.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: April 25, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Fong-yuan Chang, Lee-Chung Lu, Po-Hsiang Huang, Chun-Chen Chen, Chung-Te Lin, Ting-Wei Chiang, Sheng-Hsiung Chen, Jung-Chan Yang
  • Publication number: 20230121153
    Abstract: An integrated circuit includes a cell layer including a first cell and a second cell, a first metal layer over the cell layer and having a first conductive feature, a second metal layer over the first metal layer and having a second conductive feature, and a first via between the first metal layer and the second metal layer and connecting the first conductive feature to the second conductive feature. The first conductive feature spans over a boundary between the first and second cells, and has a lengthwise direction along a first direction. The second conductive feature spans over the boundary between the first and second cells, and has a lengthwise direction along a second direction that is perpendicular to the first direction.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 20, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Fong-Yuan CHANG, Kuo-Nan YANG, Chung-Hsing WANG, Lee-Chung LU, Sheng-Fong CHEN, Po-Hsiang HUANG, Hiranmay BISWAS, Sheng-Hsiung CHEN, Aftab Alam KHAN