Patents by Inventor Shang-Chih Hsieh

Shang-Chih Hsieh 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: 20180183414
    Abstract: A semiconductor standard cell of a flip-flop circuit includes semiconductor fins extending substantially parallel to each other along a first direction, electrically conductive wirings disposed on a first level and extending substantially parallel to each other along the first direction, and gate electrode layers extending substantially parallel to a second direction substantially perpendicular to the first direction and formed on a second level different from the first level. The flip-flop circuit includes transistors made of the semiconductor fins and the gate electrode layers, receives a data input signal, stores the data input signal, and outputs a data output signal indicative of the stored data in response to a clock signal, the clock signal is the only clock signal received by the semiconductor standard cell, and the data input signal, the clock signal, and the data output signal are transmitted among the transistors through at least the electrically conductive wirings.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 28, 2018
    Inventors: Ta-Pen GUO, Chi-Lin LIU, Shang-Chih HSIEH, Jerry Chang-Jui KAO, Li-Chun TIEN, Lee-Chung LU
  • Patent number: 10003342
    Abstract: A compressor circuit includes a plurality of inputs, a sum output, and a plurality of XOR circuits. Each XOR circuit of the plurality of XOR circuits includes first, second and third inputs, and a first output. The XOR circuit is configured to generate a logic value A?B?C at the first output, where A, B and C are logic values at the corresponding first, second and third inputs, and “?” is the XOR logic operation. The plurality of XOR circuits includes first and second XOR circuits. The first, second and third inputs of the first XOR circuit are coupled to corresponding inputs among the plurality of inputs of the compressor circuit. The first output of the first XOR circuit is coupled to the first input of the second XOR circuit. The first output of the second XOR circuit is coupled to the sum output.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: June 19, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chi-Lin Liu, Lee-Chung Lu, Meng-Hsueh Wang, Shang-Chih Hsieh, Henry Huang, Ji-Yung Lin
  • Publication number: 20180150589
    Abstract: An integrated circuit structure includes a set of gate structures, a first conductive structure, a first and second set of vias, and a first set of conductive structures. The set of gate structures is located at a first level. The first conductive structure extends in a first direction, overlaps the set of gate structures and is located at a second level. The first set of vias is between the set of gate structures and the first conductive structure. The first set of vias couple the set of gate structures to the first conductive structure. The first set of conductive structures extend in a second direction, overlap the first conductive structure, and is located at a third level. The second set of vias couple the first set of conductive structures to the first conductive structure, and is between the first set of conductive structures and the first conductive structure.
    Type: Application
    Filed: October 24, 2017
    Publication date: May 31, 2018
    Inventors: Jung-Chan YANG, Ting-Wei CHIANG, Jerry Chang-Jui KAO, Hui-Zhong ZHUANG, Lee-Chung LU, Li-Chun TIEN, Meng-Hung SHEN, Shang-Chih HSIEH, Chi-Yu LU
  • Publication number: 20180115307
    Abstract: A device is disclosed that includes a level shifter and an output stage. The level shifter includes a first current limiter. The level shifter is configured to generate a first output signal at a first terminal of the first current limiter, and to generate a second output signal at a second terminal of the first current limiter according to a first input signal. The output stage is configured to adjust a voltage swing of a selected one of the first output signal and the second output signal.
    Type: Application
    Filed: December 21, 2017
    Publication date: April 26, 2018
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Lun OU, Wei-Chih HSIEH, Shang-Chih HSIEH
  • Patent number: 9887698
    Abstract: A circuit is disclosed that includes a latch and a logic circuit. The latch includes is configured to generate a gating control signal in response to a latch enable signal and an input clock signal. The latch includes a pair of logic gates each configured to perform multi-level compound logic function. The logic circuit is configured to receive the gating control signal and the input clock signal, and generate an output clock signal in response to the gating control signal and the input clock signal.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: February 6, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chi-Lin Liu, Lee-Chung Lu, Shang-Chih Hsieh
  • Patent number: 9866205
    Abstract: A device is disclosed that includes a level shifter and a selector. The level shifter includes a first current limiter. The level shifter is configured to generate a first output signal at a first terminal of the first current limiter, and to generate a second output signal at a second terminal of the first current limiter according to a first input signal. The selector configured to selectively transmit one of the first output signal and the second output signal according to the first input signal.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: January 9, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Lun Ou, Wei-Chih Hsieh, Shang-Chih Hsieh
  • Patent number: 9853630
    Abstract: A flip-flop includes a master latch configured to receive a data signal and a scan input signal. The master latch provides one of the data signal or the scan input signal to a slave latch based on a scan enable signal. The flip-flop includes circuitry configured to generate clock signals based on one or both of an input clock signal and the scan enable signal. A first clock signal is provided to the master latch and a second clock signal is provided to the slave latch. The first clock signal does not include edge transitions that occur at same times as edge transitions of the second clock signal when the scan enable signal has a first logic level. The first clock signal includes edge transitions that occur at same times as edge transitions of the second clock signal when the scan enable signal has a second logic level.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: December 26, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Jerry Chang-Jui Kao, Chi-Lin Liu, Lee-Chung Lu, Shang-Chih Hsieh, Bor-Tyng Lin
  • Publication number: 20170317666
    Abstract: In some embodiments, a flip-flop is disposed as an integrated circuit layout on a flip-flop region of a semiconductor substrate. The flip-flop includes master switch circuitry made up of a first plurality of devices which are circumscribed by a master switch perimeter that resides within the flip-flop region. The flip-flop also includes slave switch circuitry operably coupled to an output of the master switch circuitry. The slave switch circuitry is made up of a third plurality of devices that are circumscribed by a slave switch perimeter. The slave switch perimeter resides within the flip-flop region and is non-overlapping with the master switch perimeter.
    Type: Application
    Filed: April 25, 2017
    Publication date: November 2, 2017
    Inventors: Chi-Lin Liu, Ting-Wei Chiang, Jerry Chang-Jui Kao, Hui-Zhong Zhuang, Lee-Chung Lu, Shang-Chih Hsieh, Che Min Huang
  • Publication number: 20170255739
    Abstract: An integrated circuit designing system includes a non-transitory storage medium and a hardware processor. The non-transitory storage medium is encoded with a layout of a standard cell corresponding to a predetermined manufacturing process. The predetermined manufacturing process has a nominal minimum pitch, along a predetermined direction, of metal lines. The layout of the standard cell has a cell height along the predetermined direction, and the cell height is a non-integral multiple of the nominal minimum pitch. The hardware processor communicatively coupled with the non-transitory storage medium and configured to execute a set of instructions for generating an integrated circuit layout based on the layout of the standard cell and the nominal minimum pitch.
    Type: Application
    Filed: May 22, 2017
    Publication date: September 7, 2017
    Inventors: Shang-Chih HSIEH, Hui-Zhong ZHUANG, Ting-Wei CHIANG, Chun-Fu CHEN, Hsiang-Jen TSENG
  • Publication number: 20170170811
    Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have different voltage swings based on the first output signal and the second output signal. The trigger circuit includes a logic circuit coupled to at least the first latch or the second latch. The logic circuit is configured to output the second output signal.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Inventors: Chi-Lin LIU, Shang-Chih HSIEH, Lee-Chung LU, Chang-Yu WU
  • Publication number: 20170170829
    Abstract: A circuit is disclosed that includes a latch and a logic circuit. The latch includes is configured to generate a gating control signal in response to a latch enable signal and an input clock signal. The latch includes a pair of logic gates each configured to perform multi-level compound logic function. The logic circuit is configured to receive the gating control signal and the input clock signal, and generate an output clock signal in response to the gating control signal and the input clock signal.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 15, 2017
    Inventors: Chi-Lin LIU, Lee-Chung LU, Shang-Chih HSIEH
  • Patent number: 9659129
    Abstract: An integrated circuit, manufactured by a process having a nominal minimum pitch of metal lines, includes a plurality of metal lines and a plurality of standard cells under the plurality of metal lines. The plurality of metal lines extends along a first direction, and the plurality of metal lines are separated, in a second direction perpendicular to the first direction, by integral multiples of the nominal minimum pitch. At least one of the plurality of standard cells has a cell height along the second direction, and the cell height is a non-integral multiple of the nominal minimum pitch.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: May 23, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shang-Chih Hsieh, Hui-Zhong Zhuang, Ting-Wei Chiang, Chun-Fu Chen, Hsiang-Jen Tseng
  • Publication number: 20170141765
    Abstract: A device is disclosed that includes a level shifter and a selector. The level shifter includes a first current limiter. The level shifter is configured to generate a first output signal at a first terminal of the first current limiter, and to generate a second output signal at a second terminal of the first current limiter according to a first input signal. The selector configured to selectively transmit one of the first output signal and the second output signal according to the first input signal.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 18, 2017
    Inventors: Yu-Lun OU, Wei-Chih HSIEH, Shang-Chih HSIEH
  • Publication number: 20170141766
    Abstract: A flip-flop includes a master latch configured to receive a data signal and a scan input signal. The master latch provides one of the data signal or the scan input signal to a slave latch based on a scan enable signal. The flip-flop includes circuitry configured to generate clock signals based on one or both of an input clock signal and the scan enable signal. A first clock signal is provided to the master latch and a second clock signal is provided to the slave latch. The first clock signal does not include edge transitions that occur at same times as edge transitions of the second clock signal when the scan enable signal has a first logic level. The first clock signal includes edge transitions that occur at same times as edge transitions of the second clock signal when the scan enable signal has a second logic level.
    Type: Application
    Filed: November 13, 2015
    Publication date: May 18, 2017
    Inventors: Jerry Chang-Jui Kao, Chi-Lin Liu, Lee-Chung Lu, Shang-Chih Hsieh, Bor-Tyng Lin
  • Patent number: 9641161
    Abstract: In some embodiments, a flip-flop is laid-out on a flip-flop region of a semiconductor substrate. The flip-flop includes master switch circuitry made of a first plurality of devices which are circumscribed by a master switch perimeter residing within the flip-flop region. Scan mux input circuitry is operably coupled to an input of the master switch circuitry. The scan mux input circuitry is made up of a second plurality of devices that are circumscribed by a scan mux perimeter which resides within the flip-flop region and which is non-overlapping with the master switch perimeter. Slave switch circuitry is operably coupled to an output of the master switch circuitry. The slave switch circuitry is made up of a third plurality of devices that are circumscribed by a slave switch perimeter which resides within the flip-flop region and which is non-overlapping with both the master switch perimeter and the scan mux perimeter.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: May 2, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chi-Lin Liu, Ting-Wei Chiang, Jerry Chang-Jui Kao, Hui-Zhong Zhuang, Lee-Chung Lu, Shang-Chih Hsieh, Che Min Huang
  • Publication number: 20170068767
    Abstract: An integrated circuit designing system includes a non-transitory storage medium that is encoded with first and second sets of standard cell layouts that are configured for performing a selected function and which correspond to a specific manufacturing process. The manufacturing process is characterized by a nominal minimum pitch (T) for metal lines with each of the standard cell layouts being characterized by a cell height (H) that is a non-integral multiple of the nominal minimum pitch. The system also includes a hardware processor coupled to the storage medium for executing a set of instructions for generating an integrated circuit layout utilizing a combination of the first and second set of standard cell layouts and the nominal minimum pitch. The first and second sets of standard layouts are related in that each of the second set of standard cell layouts corresponds to a transformed version of a corresponding standard cell layout from the first set of standard cell layouts.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Inventors: Shang-Chih HSIEH, Hui-Zhong ZHUANG, Ting-Wei CHIANG, Chun-Fu CHEN, Hsiang-Jen TSENG
  • Patent number: 9584099
    Abstract: A flip-flop circuit includes a first latch, a second latch, and a trigger stage. The first latch is configured to set a first latch output signal based on a first latch input signal and a clock signal. The second latch is configured to set a second latch output signal based on a second latch input signal and the clock signal. The trigger stage is configured to generate the second latch input signal based on the first latch output signal. The trigger stage is configured to cause the second input signal to have different voltage swings based on the first latch output signal and the second latch output signal.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: February 28, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chi-Lin Liu, Shang-Chih Hsieh, Lee-Chung Lu, Chang-Yu Wu
  • Patent number: 9501600
    Abstract: An integrated circuit is manufactured by a predetermined manufacturing process having a nominal minimum pitch of metal lines. The integrated circuit includes a plurality of metal lines extending along a first direction and a plurality of standard cells under the plurality of metal lines. The plurality of metal lines is separated, in a second direction perpendicular to the first direction, by integral multiples of the nominal minimum pitch. The plurality of standard cells includes a first standard cell configured to perform a predetermined function and having a first layout and a second standard cell configured to perform the predetermined function and having a second layout different than the first layout. The first and second standard cells have a cell height (H) along the second direction, and the cell height being a non-integral multiple of the nominal minimum pitch.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: November 22, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shang-Chih Hsieh, Hui-Zhong Zhuang, Ting-Wei Chiang, Chun-Fu Chen, Hsiang-Jen Tseng
  • Publication number: 20160156358
    Abstract: A compressor circuit includes a plurality of inputs, a sum output, and a plurality of XOR circuits. Each XOR circuit of the plurality of XOR circuits includes first, second and third inputs, and a first output. The XOR circuit is configured to generate a logic value A?B?C at the first output, where A, B and C are logic values at the corresponding first, second and third inputs, and “?” is the XOR logic operation. The plurality of XOR circuits includes first and second XOR circuits. The first, second and third inputs of the first XOR circuit are coupled to corresponding inputs among the plurality of inputs of the compressor circuit. The first output of the first XOR circuit is coupled to the first input of the second XOR circuit. The first output of the second XOR circuit is coupled to the sum output.
    Type: Application
    Filed: June 16, 2015
    Publication date: June 2, 2016
    Inventors: Chi-Lin LIU, Lee-Chung LU, Meng-Hsueh WANG, Shang-Chih HSIEH, Henry HUANG, Ji-Yung LIN
  • Patent number: 9356583
    Abstract: A flip-flop circuit includes a first latch, a trigger stage and a second latch. The first latch is configured to latch a selected signal in response to a first state of a clock signal, and provide a first output signal. The trigger stage receives the clock signal and the first output signal to provide a trigger signal. The trigger signal does not toggle as the clock signal transits. The second latch is configured to latch the trigger signal in response to a second state of the clock signal, and provide a second output signal. The first state and the second state of the clock signal are complementary to each other.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 31, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Chi-Lin Liu, Shang-Chih Hsieh, Lee-Chung Lu, Chang-Yu Wu