Patents by Inventor Chen-Ming Hung
Chen-Ming Hung 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).
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Patent number: 12073169Abstract: An anti-fuse array includes first through fourth adjacent anti-fuse bit columns, the anti-fuse bits of the first and second anti-fuse bit columns including portions of active areas of a first active area column, and the anti-fuse bits of the third and fourth anti-fuse bit columns including portions of active areas of a second active area column. Each row of a first set of conductive segment rows includes first and second conductive segments positioned between adjacent active areas of the first active area column and a third conductive segment positioned between adjacent active areas of the second active area column. Each row of a second set of conductive segments alternating with the first set of conductive segment rows includes a fourth conductive segment positioned between adjacent active areas of the first active area column and fifth and sixth conductive segments positioned between adjacent active areas of the second active area column.Type: GrantFiled: August 9, 2023Date of Patent: August 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Meng-Sheng Chang, Shao-Yu Chou, Yao-Jen Yang, Chen-Ming Hung
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Publication number: 20240153558Abstract: A memory device includes a main array comprising main memory cells; a redundancy array comprising redundancy memory cells; and write circuitry configured to perform a first programming operation on a main memory cell, to detect whether a current of the main memory cell exceeds a predefined current threshold during the first programming operation, and to disable a second programming operation for a redundancy memory cell if the current of the main memory cell exceeds the predefined current threshold during the first programming operation.Type: ApplicationFiled: January 12, 2024Publication date: May 9, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Der Chih, Chung-Cheng Chou, Chun-Yun Wu, Chen-Ming Hung
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Patent number: 11915752Abstract: A memory device includes a main array comprising main memory cells; a redundancy array comprising redundancy memory cells; and write circuitry configured to perform a first programming operation on a main memory cell, to detect whether a current of the main memory cell exceeds a predefined current threshold during the first programming operation, and to disable a second programming operation for a redundancy memory cell if the current of the main memory cell exceeds the predefined current threshold during the first programming operation.Type: GrantFiled: March 31, 2022Date of Patent: February 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Der Chih, Chung-Cheng Chou, Chun-Yun Wu, Chen-Ming Hung
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Publication number: 20230385510Abstract: An anti-fuse array includes first through fourth adjacent anti-fuse bit columns, the anti-fuse bits of the first and second anti-fuse bit columns including portions of active areas of a first active area column, and the anti-fuse bits of the third and fourth anti-fuse bit columns including portions of active areas of a second active area column. Each row of a first set of conductive segment rows includes first and second conductive segments positioned between adjacent active areas of the first active area column and a third conductive segment positioned between adjacent active areas of the second active area column. Each row of a second set of conductive segments alternating with the first set of conductive segment rows includes a fourth conductive segment positioned between adjacent active areas of the first active area column and fifth and sixth conductive segments positioned between adjacent active areas of the second active area column.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Inventors: Meng-Sheng CHANG, Shao-Yu CHOU, Yao-Jen YANG, Chen-Ming HUNG
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Publication number: 20230386591Abstract: A memory circuit includes a bank of non-volatile memory (NVM) devices, a high-voltage (HV) driver, a global HV power switch configured to generate a HV power signal, and a HV power switch coupled between the global HV switch and the HV driver. The HV power switch is configured to, responsive to the HV power signal, output power and ground signals, each of the power signal and the ground signal having first and second voltage levels, and the HV driver is configured to output a HV activation signal to a column of the bank of NVM devices responsive to the power signal and the ground signal.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Gu-Huan LI, Chen-Ming HUNG, Yu-Der CHIH
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Patent number: 11791006Abstract: A memory circuit includes a bank of non-volatile memory (NVM) devices, a plurality of high-voltage (HV) drivers, a global HV power switch configured to generate a HV power signal, and a plurality of HV power switches coupled to the global HV switch. A first HV power switch of the plurality of HV power switches is coupled to each HV driver of the plurality of HV drivers, the first HV power switch of the plurality of HV power switches is configured to output a power signal responsive to the HV power signal, and each HV driver of the plurality of HV drivers is configured to output a HV activation signal to a corresponding column of the bank of NVM devices responsive to the power signal.Type: GrantFiled: July 29, 2022Date of Patent: October 17, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Gu-Huan Li, Chen-Ming Hung, Yu-Der Chih
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Patent number: 11783107Abstract: An IC device includes a first anti-fuse structure including a first dielectric layer between a first gate conductor and a first active area, and a second anti-fuse structure including a second dielectric layer between a second gate conductor and the first active area. A first via is electrically connected to the first gate conductor at a first location a first distance from the first active area, a second via is electrically connected to the second gate conductor at a second location a second distance from the first active area, and the first distance is approximately equal to the second distance.Type: GrantFiled: February 18, 2021Date of Patent: October 10, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Meng-Sheng Chang, Shao-Yu Chou, Yao-Jen Yang, Chen-Ming Hung
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Publication number: 20230317159Abstract: A memory device includes a main array comprising main memory cells; a redundancy array comprising redundancy memory cells; and write circuitry configured to perform a first programming operation on a main memory cell, to detect whether a current of the main memory cell exceeds a predefined current threshold during the first programming operation, and to disable a second programming operation for a redundancy memory cell if the current of the main memory cell exceeds the predefined current threshold during the first programming operation.Type: ApplicationFiled: March 31, 2022Publication date: October 5, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Der Chih, Chung-Cheng Chou, Chun-Yun Wu, Chen-Ming Hung
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Publication number: 20220383929Abstract: A memory circuit includes a bank of non-volatile memory (NVM) devices, a plurality of high-voltage (HV) drivers, a global HV power switch configured to generate a HV power signal, and a plurality of HV power switches coupled to the global HV switch. A first HV power switch of the plurality of HV power switches is coupled to each HV driver of the plurality of HV drivers, the first HV power switch of the plurality of HV power switches is configured to output a power signal responsive to the HV power signal, and each HV driver of the plurality of HV drivers is configured to output a HV activation signal to a corresponding column of the bank of NVM devices responsive to the power signal.Type: ApplicationFiled: July 29, 2022Publication date: December 1, 2022Inventors: Gu-Huan LI, Chen-Ming HUNG, Yu-Der CHIH
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Patent number: 11450395Abstract: A memory circuit includes a first bank of non-volatile memory (NVM) devices, a first plurality of decoders, a first plurality of high-voltage (HV) drivers corresponding to the first plurality of decoders, and a first plurality of HV power switches. A first HV power switch is coupled to each HV driver of the first plurality of HV drivers, and each decoder is configured to generate an enable signal corresponding to a column of the first bank of NVM devices. Each HV driver is configured to output a HV activation signal to the corresponding column of the first bank of NVM devices responsive to a power signal of the first HV power switch and to the enable signal of the corresponding decoder.Type: GrantFiled: April 22, 2021Date of Patent: September 20, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Gu-Huan Li, Chen-Ming Hung, Yu-Der Chih
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Publication number: 20220262445Abstract: A memory circuit includes a first bank of non-volatile memory (NVM) devices, a first plurality of decoders, a first plurality of high-voltage (HV) drivers corresponding to the first plurality of decoders, and a first plurality of HV power switches. A first HV power switch is coupled to each HV driver of the first plurality of HV drivers, and each decoder is configured to generate an enable signal corresponding to a column of the first bank of NVM devices. Each HV driver is configured to output a HV activation signal to the corresponding column of the first bank of NVM devices responsive to a power signal of the first HV power switch and to the enable signal of the corresponding decoder.Type: ApplicationFiled: April 22, 2021Publication date: August 18, 2022Inventors: Gu-Huan LI, Chen-Ming HUNG, Yu-Der CHIH
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Publication number: 20210173995Abstract: An IC device includes a first anti-fuse structure including a first dielectric layer between a first gate conductor and a first active area, and a second anti-fuse structure including a second dielectric layer between a second gate conductor and the first active area. A first via is electrically connected to the first gate conductor at a first location a first distance from the first active area, a second via is electrically connected to the second gate conductor at a second location a second distance from the first active area, and the first distance is approximately equal to the second distance.Type: ApplicationFiled: February 18, 2021Publication date: June 10, 2021Inventors: Meng-Sheng CHANG, Shao-Yu CHOU, Yao-Jen YANG, Chen-Ming HUNG
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Patent number: 10991442Abstract: A memory device includes a memory circuit and a fuse protection circuit. The memory circuit includes a program line and a fuse. The program line is configured to receive a program voltage for programming the fuse. The fuse protection circuit is coupled to the memory circuit and is configured to prevent unintentional programming of the fuse.Type: GrantFiled: September 8, 2020Date of Patent: April 27, 2021Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Yu-Der Chih, Chen-Ming Hung, Jen-Chou Tseng, Jam-Wem Lee, Ming-Hsiang Song, Shu-Chuan Lee, Shao-Yu Chou, Yu-Ti Su
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Patent number: 10929588Abstract: A method of generating an IC layout diagram includes intersecting an active region with first and second gate regions to define locations of first and second anti-fuse structures, overlying the first gate region with a first conductive region to define a location of an electrical connection between the first conductive region and first gate region, and overlying the second gate region with a second conductive region to define a location of an electrical connection between the second conductive region and second gate region. The first and second conductive regions are aligned along a direction perpendicular to a direction along which the first and second gate regions extend, and at least one of intersecting the active region with the first gate region, intersecting the active region with the second gate region, overlying the first gate region, or overlying the second gate region is executed by a processor of a computer.Type: GrantFiled: January 18, 2019Date of Patent: February 23, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Meng-Sheng Chang, Chen-Ming Hung, Shao-Yu Chou, Yao-Jen Yang
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Publication number: 20200402599Abstract: A memory device includes a memory circuit and a fuse protection circuit. The memory circuit includes a program line and a fuse. The program line is configured to receive a program voltage for programming the fuse. The fuse protection circuit is coupled to the memory circuit and is configured to prevent unintentional programming of the fuse.Type: ApplicationFiled: September 8, 2020Publication date: December 24, 2020Inventors: Yu-Der Chih, Chen-Ming Hung, Jen-Chou Tseng, Jam-Wem Lee, Ming-Hsiang Song, Shu-Chuan Lee, Shao-Yu Chou, Yu-Ti Su
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Patent number: 10803967Abstract: A memory device includes a memory circuit and a fuse protection circuit. The memory circuit includes a program line and a fuse. The program line is configured to receive a program voltage for programming the fuse. The fuse protection circuit is coupled to the memory circuit and is configured to prevent unintentional programming of the fuse.Type: GrantFiled: March 26, 2020Date of Patent: October 13, 2020Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Yu-Der Chih, Chen-Ming Hung, Jen-Chou Tseng, Jam-Wem Lee, Ming-Hsiang Song, Shu-Chuan Lee, Shao-Yu Chou, Yu-Ti Su
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Publication number: 20200227126Abstract: A memory device includes a memory circuit and a fuse protection circuit. The memory circuit includes a program line and a fuse. The program line is configured to receive a program voltage for programming the fuse. The fuse protection circuit is coupled to the memory circuit and is configured to prevent unintentional programming of the fuse.Type: ApplicationFiled: March 26, 2020Publication date: July 16, 2020Inventors: Yu-Der Chih, Chen-Ming Hung, Jen-Chou Tseng, Jam-Wem Lee, Ming-Hsiang Song, Shu-Chuan Lee, Shao-Yu Chou, Yu-Ti Su
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Patent number: 10643726Abstract: A memory device includes a memory circuit and a fuse protection circuit. The memory circuit includes a memory cell and a program line. The memory cell includes a fuse. The program line is configured to receive a program voltage for programming the fuse. The fuse protection circuit is coupled to the memory circuit and is configured to prevent unintentional programming of the fuse.Type: GrantFiled: April 24, 2019Date of Patent: May 5, 2020Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Yu-Der Chih, Chen-Ming Hung, Jen-Chou Tseng, Jam-Wem Lee, Ming-Hsiang Song, Shu-Chuan Lee, Shao-yu Chou, Yu-Ti Su
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Publication number: 20190252032Abstract: A memory device includes a memory circuit and a fuse protection circuit. The memory circuit includes a memory cell and a program line. The memory cell includes a fuse. The program line is configured to receive a program voltage for programming the fuse. The fuse protection circuit is coupled to the memory circuit and is configured to prevent unintentional programming of the fuse.Type: ApplicationFiled: April 24, 2019Publication date: August 15, 2019Inventors: Yu-Der Chih, Chen-Ming Hung, Jen-Chou Tseng, Jam-Wem Lee, Ming-Hsiang Song, Shu-Chuan Lee, Shao-Yu Chou, Yu-Ti Su
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Publication number: 20190251223Abstract: A method of generating an IC layout diagram includes intersecting an active region with first and second gate regions to define locations of first and second anti-fuse structures, overlying the first gate region with a first conductive region to define a location of an electrical connection between the first conductive region and first gate region, and overlying the second gate region with a second conductive region to define a location of an electrical connection between the second conductive region and second gate region. The first and second conductive regions are aligned along a direction perpendicular to a direction along which the first and second gate regions extend, and at least one of intersecting the active region with the first gate region, intersecting the active region with the second gate region, overlying the first gate region, or overlying the second gate region is executed by a processor of a computer.Type: ApplicationFiled: January 18, 2019Publication date: August 15, 2019Inventors: Meng-Sheng Chang, Chen-Ming Hung, Shao-Yu Chou, Yao-Jen Yang