Patents by Inventor Chung-Cheng Chou

Chung-Cheng Chou 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: 20200388333
    Abstract: A memory device includes a memory cell and a sense amplifier. The sense amplifier has a reference circuit configured to output a reference voltage and a sensing circuit connected to the memory cell. A comparator includes a first input and a second input, with the first input connected to the reference circuit to receive the reference voltage, and the second input connected to the memory cell.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Pei-Ling Tseng
  • Publication number: 20200350010
    Abstract: A device is disclosed. The device includes a first memory cell, a second memory cell, a first pair of a driver and a sinker, and a second pair of a driver and a sinker. The first memory cell is coupled between the first pair of the driver and the sinker through a first line and a second line. The second memory cell is coupled between the second pair of the driver and the sinker through a third line and a fourth line. The first pair of the driver and the sinker are configured to be controlled to have resistances depending on a row location of the first memory cell in a memory column.
    Type: Application
    Filed: July 18, 2020
    Publication date: November 5, 2020
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Chung-Cheng CHOU
  • Patent number: 10796760
    Abstract: A method for writing to a memory is disclosed. The method includes generating a write current that flows to a memory cell of the memory, generating a mirror current that mirrors the write current, and inhibiting application of a write voltage to the memory cell of the memory based on the mirror current. A device that performs the method is also disclosed. A memory that includes the device is also disclosed.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: October 6, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventor: Chung-Cheng Chou
  • Patent number: 10762960
    Abstract: A memory architecture includes: a plurality of cell arrays each of which comprises a plurality of bit cells, wherein each of bit cells of the plurality of cell arrays uses a respective variable resistance dielectric layer to transition between first and second logic states; and a control logic circuit, coupled to the plurality of cell arrays, and configured to cause a first information bit to be written into respective bit cells of a pair of cell arrays as an original logic state of the first information bit and a logically complementary logic state of the first information bit, wherein the respective variable resistance dielectric layers are formed by using a same recipe of deposition equipment and have different diameters.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: September 1, 2020
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yu-Der Chih, Chung-Cheng Chou, Wen-Ting Chu
  • Patent number: 10755780
    Abstract: A memory device includes a memory cell and a sense amplifier. The sense amplifier has a reference circuit configured to output a reference voltage and a sensing circuit connected to the memory cell. A comparator includes a first input and a second input, with the first input connected to the reference circuit to receive the reference voltage, and the second input connected to the memory cell. A precharger is configured to selectively precharge the sensing circuit to a predetermined precharge voltage.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: August 25, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, LTD.
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Pei-Ling Tseng
  • Publication number: 20200243135
    Abstract: A memory device includes a memory array including a plurality of memory cells arranged in rows and columns. A closed loop bias generator is configured to output a column select signal to the memory array. A current limiter receives an output of the closed loop bias generator. The current limiter is coupled to a plurality of the columns of the memory array.
    Type: Application
    Filed: November 25, 2019
    Publication date: July 30, 2020
    Inventors: Chung-Cheng Chou, Tien-Yen Wang
  • Patent number: 10726916
    Abstract: A device is disclosed that includes a driver and a plurality of resistive memory cells each being electrically connected to the driver through a first line. The driver has a variable resistance corresponding to various locations of a conducted resistive memory cell, relative to the driver, in the plurality of resistive memory cells.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: July 28, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Chung-Cheng Chou
  • Publication number: 20200051631
    Abstract: A circuit includes a memory array having a plurality of memory cells; a control logic circuit, coupled to the memory array, and configured to use a first voltage signal to cause a first memory cell of the plurality of memory cells to transition from a first resistance state to a second resistance state; a counter circuit, coupled to the control logic circuit, and configured to increment a count by one in response to the first memory cell's transition from the first to the second resistance state; and an encryption circuit, coupled to the counter circuit, configured to generate an encrypted value using an updated count provided by the counter circuit.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Inventors: Shih-Lien Linus LU, Yu-Der Chih, Chung-Cheng Chou, Tong-Chern Ong
  • Publication number: 20200020397
    Abstract: A memory device includes an array of resistive memory cells with a plurality of word lines connected to the array of resistive memory cells. A voltage compensation controller is configured to determine a word line voltage to be applied to a selected word line of the plurality of word lines. A word line driver is configured apply the determined word line voltage to the selected word line.
    Type: Application
    Filed: July 3, 2019
    Publication date: January 16, 2020
    Inventors: Chien-An Lai, Chung-Cheng Chou, Yu-Der Chih
  • Patent number: 10522591
    Abstract: The present disclosure provides one embodiment of a semiconductor structure that includes a first metal layer formed on a semiconductor substrate, wherein the first metal layer includes a first metal feature in a first region and a second metal feature in a second region; a second metal layer disposed on the first metal layer, wherein the second metal layer includes a third metal feature in the first region and a fourth metal feature in a second region; a magneto-resistive memory device sandwiched between the first metal feature and the third metal feature; and a capacitor sandwiched between the second metal feature and the fourth metal feature.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: December 31, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chung-Cheng Chou, Ya-Chen Kao, Tien-Wei Chiang
  • Publication number: 20190371397
    Abstract: A circuit includes a bias voltage generator and a current limiter. The bias voltage generator is configured to receive a first reference voltage and output a bias voltage responsive to a first current and the first reference voltage. The current limiter is configured to receive a second current at an input terminal, a second reference voltage, and the bias voltage, and, responsive to the second reference voltage and a voltage level of the input terminal, limit the second current to a current limit level, the voltage level of the input terminal being based on the bias voltage.
    Type: Application
    Filed: May 17, 2019
    Publication date: December 5, 2019
    Inventors: Chung-Cheng CHOU, Pei-Ling TSENG, Zheng-Jun LIN
  • Publication number: 20190371398
    Abstract: A memory circuit includes a bias voltage generator, a drive circuit, and a resistive random-access memory (RRAM) device. The bias voltage generator includes a first current path configured to receive a first current from a current source, and output a bias voltage based on a voltage difference generated from conduction of the first current in the first current path. The drive circuit is configured to receive the bias voltage and output a drive voltage having a voltage level based on the bias voltage, and the RRAM device is configured to conduct a second current responsive to the drive voltage.
    Type: Application
    Filed: May 24, 2019
    Publication date: December 5, 2019
    Inventors: Chung-Cheng CHOU, Hsu-Shun CHEN, Chien-An LAI, Pei-Ling TSENG, Zheng-Jun LIN
  • Patent number: 10482958
    Abstract: A circuit includes a memory array having a plurality of memory cells; a control logic circuit, coupled to the memory array, and configured to use a first voltage signal to cause a first memory cell of the plurality of memory cells to transition from a first resistance state to a second resistance state, and a second voltage signal to cause the first memory cell to transition from the second resistance state to a third resistance state; and a counter circuit, coupled to the control logic circuit, and configured to increment a count by one in response to the first memory cell's transition from the first to the second resistance state, and again increment the count by one in response to the first memory cell's transition from the second to the third resistance state.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: November 19, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shih-Lien Linus Lu, Yu-Der Chih, Chung-Cheng Chou, Tong-Chern Ong
  • Publication number: 20190325958
    Abstract: A method for writing to a memory is disclosed. The method includes generating a write current that flows to a memory cell of the memory, generating a mirror current that mirrors the write current, and inhibiting application of a write voltage to the memory cell of the memory based on the mirror current. A device that performs the method is also disclosed. A memory that includes the device is also disclosed.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Inventor: CHUNG-CHENG CHOU
  • Publication number: 20190287612
    Abstract: A memory device includes a memory cell and a sense amplifier. The sense amplifier has a reference circuit configured to output a reference voltage and a sensing circuit connected to the memory cell. A comparator includes a first input and a second input, with the first input connected to the reference circuit to receive the reference voltage, and the second input connected to the memory cell.
    Type: Application
    Filed: February 12, 2019
    Publication date: September 19, 2019
    Inventors: Zheng-Jun Lin, Chung-Cheng Chou, Pei-Ling Tseng
  • Patent number: 10340004
    Abstract: A method for writing to a memory is disclosed. The method includes generating a write current that flows to a memory cell of the memory, generating a mirror current that mirrors the write current, and inhibiting application of a write voltage to the memory cell of the memory based on the mirror current. A device that performs the method is also disclosed. A memory that includes the device is also disclosed.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: July 2, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventor: Chung-Cheng Chou
  • Patent number: 10325368
    Abstract: An optical measuring apparatus and an operating method thereof are disclosed. The optical measuring apparatus includes a light source, a carrier chip, a light sensor, an analyzing chip and a display. Samples are uniformly distributed on the carrier chip. The light source emits sensing lights toward the carrier chip. The light sensor receives the sensing lights passing through the carrier chip at a plurality of times to obtain a plurality of images corresponding to the plurality of times respectively. The analyzing chip is coupled to the light sensor. The analyzing chip analyzes the object number and distribution variation with time in the sample according to the plurality of images corresponding to the plurality of times and estimates intrinsic characteristics of the object in the sample accordingly. The display is coupled to the analyzing chip. The display displays the intrinsic characteristics of the object in the sample.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 18, 2019
    Assignee: Crystalvue Medical Corporation
    Inventors: Long Hsu, William Wang, Cheng-Hsien Liu, Po-Chen Shih, Ting-Sheng Shih, Cheng-En Liu, Chung-Yu Chou, Chung-Cheng Chou
  • Publication number: 20190164606
    Abstract: A memory architecture includes: a plurality of cell arrays each of which comprises a plurality of bit cells, wherein each of bit cells of the plurality of cell arrays uses a respective variable resistance dielectric layer to transition between first and second logic states; and a control logic circuit, coupled to the plurality of cell arrays, and configured to cause a first information bit to be written into respective bit cells of a pair of cell arrays as an original logic state of the first information bit and a logically complementary logic state of the first information bit, wherein the respective variable resistance dielectric layers are formed by using a same recipe of deposition equipment and have different diameters.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 30, 2019
    Inventors: Yu-Der CHIH, Chung-Cheng Chou, Wen-Ting Chu
  • Patent number: 10300243
    Abstract: A catheter apparatus includes a replaceable module, a main body portion and a sensing module. The main body portion includes a tube, a urine guide opening and an elastic unit. The replaceable module includes a control unit. A first terminal of the tube is coupled to the replaceable module and a second terminal of the tube is inserted into the bladder. The urine guide opening is disposed at the second terminal of the tube and used to guide urine into the tube when the second terminal of the tube is inserted into the bladder. The elastic unit is disposed at the second terminal of the tube and coupled to the control unit. The sensing module is coupled to the control unit and used to sense whether the second terminal of the tube is inserted to the correct position in the bladder and transmit sensing result to the control unit.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 28, 2019
    Assignee: CRYSTALVUE MEDICAL CORPORATION
    Inventors: William Wang, Meng-Shin Yen, Chung-Cheng Chou, Chung-Ping Chuang
  • Patent number: 10288494
    Abstract: A thermometer circuit configured to estimate a monitored temperature is disclosed. The circuit includes an adjustable resistor presenting a first resistance value that is temperature-independent and a second resistance value that is temperature-dependent, wherein a first current signal is conducted across the resistor when it presents the first resistance value and a second current signal is conducted across the resistor when it presents the second resistance value; a plurality of gated conductors coupled to the resistor; and a control circuit, coupled to the resistor and the plurality of gated conductors, and configured to selectively deactivate at least one of the plurality of gated conductors to compare the first and second current signals to estimate the monitored temperature.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 14, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shih-Lien Linus Lu, Chia-Fu Lee, Yi-Chun Shih, Chung-Cheng Chou, Yu-Der Chih