Patents by Inventor Cheng-Hung Lee

Cheng-Hung Lee 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: 20230054498
    Abstract: The present disclosure describes an example circuit for selecting a voltage supply. The circuit includes a first control switch, a first voltage supply switch, a second control switch, and a second voltage supply switch. The first control switch is configured to receive a control signal and a first voltage supply. The first voltage supply switch is electrically coupled to the first control switch and is configured to receive a second voltage supply. The second voltage supply switch is electrically coupled to the second control switch and configured to receive the first voltage supply. The first and second voltage supply switches are configured to selectively output the first and second voltage supplies based on the control signal.
    Type: Application
    Filed: August 19, 2021
    Publication date: February 23, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chia-Chen KUO, Yangsyu LIN, Yu-Hao HSU, Cheng Hung LEE, Hung-Jen LIAO, Jonathan Tsung-Yung CHANG
  • Publication number: 20230025616
    Abstract: A mechanical multiple torque damping device includes a support module, a spindle coupling sleeve and a damping cylinder. The support module includes a mounting seat, a tubular support axle extending from the mounting seat, a friction ring sleeved on the support axle, and a screw shaft extending through the support axle. The spindle coupling sleeve is rotatably sleeved on the support axle to support a horizontal spindle. The damping cylinder is axially displaceable along the screw shaft relative to the friction ring during rotation with the horizontal spindle. A cylinder body of the cylinder has inner frictional surface sections in frictional contact with the friction ring to generate multiple frictional torques to the horizontal spindle.
    Type: Application
    Filed: June 14, 2022
    Publication date: January 26, 2023
    Inventors: Cheng-Hung LEE, Lung-Yi CHIANG
  • Patent number: 11551747
    Abstract: A computation apparatus includes a plurality of memory cells and a plurality of sense amplifiers, in which each of the memory cells includes a memory circuit and a calculation circuit. The memory circuits of the memory cells are configured to receive input values from a plurality of word lines, generate a computation result based on the input values and output the computation result to a bit line. The calculation circuits of the memory cells are configured to receive calculation input values from a plurality of calculation word lines, generate calculation output values based on the calculation input values, and output the calculation output values to a plurality of calculation bit lines. The sense amplifiers are configured to sense the calculation output values from the calculation bit lines to generate sensed values, wherein a value of the computation result is determined based on the sensed values and the calculation output values.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: January 10, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Cheng-Hung Lee
  • Patent number: 11538507
    Abstract: Disclosed herein are related to an integrated circuit including a semiconductor layer. In one aspect, the semiconductor layer includes a first region, a second region, and a third region. The first region may include a circuit array, and the second region may include a set of interface circuits to operate the circuit array. A side of the first region may face a first side of the second region along a first direction. The third region may include a set of header circuits to provide power to the set of interface circuits through metal rails extending along a second direction. A side of the third region may face a second side of the second region along the second direction. In one aspect, the first side extending along the second direction is shorter than the second side extending along the first direction, and the metal rails are shorter than the first side.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: December 27, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Po-Sheng Wang, Yangsyu Lin, Kao-Cheng Lin, Cheng Hung Lee, Jonathan Tsung-Yung Chang
  • Patent number: 11514952
    Abstract: A device disclosed includes first and second rows of memory cells, a first data line, and a first continuous data line. The first and second rows of memory cells are arranged in a first sub-bank and a second sub-bank, separated from the first sub-bank, respectively. The first data line is arranged across the first sub-bank and coupled to a first memory cell in the first row of memory cells. The first continuous data line includes a first portion arranged across the first sub-bank and a second portion arranged across the second sub-bank. The first continuous data line is coupled to a second memory cell in the second row of memory cells. The first portion of the first continuous data line is disposed in a first metal layer. The first data line and the second portion of the first continuous data line are in a second metal layer.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: November 29, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jonathan Tsung-Yung Chang, Cheng-Hung Lee, Chi-Ting Cheng, Hung-Jen Liao, Jhon-Jhy Liaw, Yen-Huei Chen
  • Publication number: 20220367337
    Abstract: Circuit devices, such as integrated circuit devices, are constructed with combination circuits that include two or more cascading transistors, and one or more metal layers disposed over the cascading transistors. The cascading transistors include multiple internal nodes (e.g., common source/drain regions). The multiple internal nodes are not connected to a common metal stripe (the same metal stripe) in the one or more metal layers. The absence of the connections between the internal nodes and a common metal stripe reduce or eliminate the load on the internal nodes. The transistors in the cascading transistors are independent of each other.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-Yuan Chen, Cheng-Hung Lee, Hung-Jen Liao, Hau-Tai Shieh, Kao-Cheng Lin, Wei-Min Chan
  • Publication number: 20220359000
    Abstract: A memory device and a method of operating the same are disclosed. In one aspect, the memory device includes a plurality of memory arrays and a controller including a plurality of buffers including a first buffer connected to a first memory array and a second buffer connected to a second memory array. The first and second memory arrays are disposed on opposing sides of the controller. The memory device can include a first wire extending in a first direction and connected to the first buffer, a second wire extending in the first direction and connected to the second buffer, and a third wire connected to the first and second wires and extending in a second direction that is substantially perpendicular to the first direction. The third wire can be electrically connected to the controller, and respective lengths of the first wire and the second wire are substantially the same.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: CHIEN-YUAN CHEN, Hau-Tai Shieh, Cheng Hung Lee, Hung-Jen Liao
  • Publication number: 20220319631
    Abstract: Different embodiments of local redundancy decoder circuits that can be used in a memory device are disclosed. The different types of local redundancy decoder circuits are operably connected to the columns of memory cells in a memory array.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 6, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-Yu Huang, Chia-En Huang, Cheng Hung Lee, Hua-Tai Shieh
  • Publication number: 20220310157
    Abstract: A computation apparatus includes a plurality of memory cells and a plurality of sense amplifiers, in which each of the memory cells includes a memory circuit and a calculation circuit. The memory circuits of the memory cells are configured to receive input values from a plurality of word lines, generate a computation result based on the input values and output the computation result to a bit line. The calculation circuits of the memory cells are configured to receive calculation input values from a plurality of calculation word lines, generate calculation output values based on the calculation input values, and output the calculation output values to a plurality of calculation bit lines. The sense amplifiers are configured to sense the calculation output values from the calculation bit lines to generate sensed values, wherein a value of the computation result is determined based on the sensed values and the calculation output values.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 29, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Cheng-Hung Lee
  • Patent number: 11450605
    Abstract: Circuit devices, such as integrated circuit devices, are constructed with combination circuits that include two or more cascading transistors, and one or more metal layers disposed over the cascading transistors. The cascading transistors include multiple internal nodes (e.g., common source/drain regions). The multiple internal nodes are not connected to a common metal stripe (the same metal stripe) in the one or more metal layers. The absence of the connections between the internal nodes and a common metal stripe reduce or eliminate the load on the internal nodes. The transistors in the cascading transistors are independent of each other.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: September 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chien-Yuan Chen, Cheng-Hung Lee, Hung-Jen Liao, Hau-Tai Shieh, Kao-Cheng Lin, Wei-Min Chan
  • Patent number: 11444608
    Abstract: A level shifter includes: a first inverter configured to receive an input signal in a low voltage domain and shift the input signal from the low voltage domain to a first output signal at a first output terminal in a high voltage domain higher than the low voltage domain in response to a logical high state of a first clock signal in the low voltage domain; a second inverter configured to receive a complement of the input signal and shift the complement of the input signal from the low voltage domain to a second output signal at a second output terminal in the high voltage domain in response to the logical high state; a first NMOS sensing transistor and a second NMOS sensing transistor; a PMOS transistor configured to equalize the first output signal and the second output signal in response to a logical low state of the first clock signal.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: September 13, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chien-Yuan Chen, Cheng Hung Lee, Hung-Jen Liao, Hau-Tai Shieh
  • Publication number: 20220276691
    Abstract: A circuit includes a power detector and a logic circuit. The power detector is configured to output a first power management signal according to a first power supply signal from a first power supply and a status signal. The circuit is configured to operate in different modes in response to the status signal. The logic circuit is configured to output a second power management signal, according to the first power management signal and the status signal.
    Type: Application
    Filed: August 24, 2021
    Publication date: September 1, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Chen KUO, Yangsyu LIN, Yu-Hao HSU, Cheng Hung LEE, Hung-Jen LIAO
  • Publication number: 20220270674
    Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 25, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
  • Publication number: 20220255538
    Abstract: A clock circuit includes a latch circuit, a memory state latch circuit, a first inverter, a memory state trigger circuit and a second inverter. The latch circuit is configured to latch an enable signal, and to generate a latch output signal based on a first clock signal and a first output clock signal. The memory state latch circuit is configured to latch a second output clock signal responsive to a third output clock signal. The first inverter is configured to generate the first output clock signal responsive to the third output clock signal. The memory state trigger circuit is configured to generate the second output clock signal responsive to the latch output signal. The second inverter is configured to generate the first clock signal responsive to a second clock signal, and configured to control the latch circuit and the memory state trigger circuit based on the first clock signal.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 11, 2022
    Inventors: Hao-I YANG, Cheng Hung LEE, Chen-Lin YANG, Chiting CHENG, Fu-An WU, Yangsyu LIN
  • Publication number: 20220254712
    Abstract: Circuit devices, such as integrated circuit devices, are constructed with combination circuits that include two or more cascading transistors, and one or more metal layers disposed over the cascading transistors. The cascading transistors include multiple internal nodes (e.g., common source/drain regions). The multiple internal nodes are not connected to a common metal stripe (the same metal stripe) in the one or more metal layers. The absence of the connections between the internal nodes and a common metal stripe reduce or eliminate the load on the internal nodes. The transistors in the cascading transistors are independent of each other.
    Type: Application
    Filed: February 11, 2021
    Publication date: August 11, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-Yuan Chen, Cheng-Hung Lee, Hung-Jen Liao, Hau-Tai Shieh, Kao-Cheng Lin, Wei-Min Chan
  • Publication number: 20220235608
    Abstract: A blind lifting control module includes a transmitting wheel, an anti-backward unit and a driving unit disposed to a supporting unit. The transmitting wheel for connecting a blind reeled horizontal axle has ratchet portions respectively meshable with corresponding ratchet portions of an anti-backward wheel and a driving reel. A pull cord is reeled on the driving reel and has a free end passing through a thrust member and a hindering member, and is pulled to release the anti-backward wheel to permit lowering of a blind. The thrust member is turned by pulling of the pull cord to thrust the driving reel to mesh with the transmitting wheel for lifting the blind.
    Type: Application
    Filed: October 19, 2021
    Publication date: July 28, 2022
    Inventors: Cheng-Hung LEE, Lung-Yi CHIANG
  • Publication number: 20220236894
    Abstract: Various embodiments for configurable memory storage systems are disclosed. The configurable memory storages selectively choose an operational voltage signal from among multiple voltage signals to dynamically control various operational parameters. For example, the configurable memory storages selectively choose a maximum voltage signal from among the multiple voltage signals to maximize read/write speed. As another example, the configurable memory storages selectively choose a minimum voltage signal from among the multiple voltage signals to minimize power consumption.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yu-Hao HSU, Cheng Hung LEE, Chen-Lin YANG, Chiting CHENG, Fu-An WU, Hung-Jen LIAO, Jung-Ping YANG, Jonathan Tsung-Yung CHANG, Wei Min CHAN, Yen-Huei CHEN, Yangsyu LIN, Chien-Chen LIN
  • Patent number: 11367507
    Abstract: Different embodiments of local redundancy decoder circuits that can be used in a memory device are disclosed. The different types of local redundancy decoder circuits are operably connected to the columns of memory cells in a memory array.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: June 21, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chien-Yu Huang, Chia-En Huang, Cheng Hung Lee, Hua-Tai Shieh
  • Patent number: 11355183
    Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: June 7, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
  • Patent number: 11323101
    Abstract: A clock circuit includes a latch circuit, a memory state latch circuit, a memory state trigger circuit and a clock trigger circuit. The latch circuit is configured to latch an enable signal, and to generate a latch output signal based on a first clock signal or an output clock signal. The memory state latch circuit is configured to generate the output clock signal responsive to a first control signal. The memory state trigger circuit is coupled to the memory state latch circuit, and configured to adjust the output clock signal responsive to the latch output signal. The clock trigger circuit is coupled to the latch circuit or the memory state trigger circuit by a first node, configured to generate the first clock signal responsive to a second clock signal, and configured to control the latch circuit and the memory state trigger circuit based on the first clock signal.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: May 3, 2022
    Assignee: AIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hao-I Yang, Fu-An Wu, Yangsyu Lin, Chiting Cheng, Cheng Hung Lee, Chen-Lin Yang