Patents by Inventor Xiu LI
Xiu LI 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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Publication number: 20250149070Abstract: A circuit includes a power management circuit configured to receive a first or second control signal, and to supply a first, second or third supply voltage. The power management circuit includes a first level shifter circuit, a first header circuit and a latch circuit. The first level shifter circuit is configured to generate a fourth control signal in response to a fifth control signal. The fourth control signal is a level shifted version of the fifth control signal. The first header circuit is configured to supply a first supply voltage of a first voltage supply to a first node in response to the first control signal, or a second supply voltage of a second voltage supply to a second node in response to a first level shifted signal. The latch circuit is configured to generate a first output control signal in response to the first and the fourth control signal.Type: ApplicationFiled: January 7, 2025Publication date: May 8, 2025Inventors: Xiu-Li YANG, Ching-Wei WU, He-Zhou WAN, Ming-En BU
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METHOD FOR TRAINING CONTRASTIVE LEARNING MODEL, ACQUIRING OPTIMIZATION ITEM, AND PUSHING INFORMATION
Publication number: 20250139460Abstract: A method for training a contrastive learning model, acquiring an optimization item, and pushing information includes: obtaining sample data including first category information and query information; predicting a correlation between the first category information and the query information using the contrastive learning model; establishing a loss function based on the prediction results, wherein the loss function is configured to characterize accuracy of the prediction results; optimizing the loss function based on a semantic relationship between the first category information and second category information, wherein the first category information and the second category information correspond to different semantic information in a category tree, and the semantic relationship is related to relative positions of the first category information and the second category information within the category tree; and training the contrastive learning model based on the optimized loss function.Type: ApplicationFiled: September 18, 2024Publication date: May 1, 2025Inventors: Lyuxing Zhu, Kexin Zhang, Hao Chen, Chao Wei, Weiru Zhang, Haihong Tang, Xiu Li -
Publication number: 20250118346Abstract: A device includes a first memory subarray, a first modulation circuit, a second memory subarray, a second modulation circuit and a control signal generator. The first modulation circuit is coupled to the first memory subarray. The second memory subarray is located between the first memory subarray and the first modulation circuit along a direction. The second modulation circuit is coupled to the second memory subarray. The control signal generator is configured to generate a first control signal to trigger the first modulation circuit according to a first length of the first memory subarray along the direction, and configured to generate a second control signal to trigger the second modulation circuit according to a second length of the second memory subarray along the direction.Type: ApplicationFiled: December 17, 2024Publication date: April 10, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, He-Zhou WAN, Mu-Yang YE, Lu-Ping KONG, Ming-Hung CHANG
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Publication number: 20250104766Abstract: A circuit comprises a memory array, a tracking bit line and a timing control circuit. The memory array comprises a plurality of tracking cells. The tracking bit line is coupled between a first node and the plurality of tracking cells. The timing control circuit is coupled to the first node and comprises a Schmitt trigger. The Schmitt trigger generates a negative bit line enable signal in response to that a voltage level on the first node being below a low threshold voltage value of the Schmitt trigger. The timing control circuit generates a negative bit line trigger signal according to the negative bit line enable signal for adjusting voltage levels of a plurality of bit lines of the memory array.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company LimitedInventors: Xiu-Li YANG, Lu-Ping KONG, Kuan CHENG, He-Zhou WAN
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Publication number: 20250104765Abstract: A circuit comprises a memory array, a tracking bit line and a timing control circuit. The memory array comprises a plurality of tracking cells. The tracking bit line is coupled between a first node and the plurality of tracking cells. The timing control circuit is coupled to the first node and comprises a Schmitt trigger. The Schmitt trigger generates a negative bit line enable signal in response to that a voltage level on the first node being below a low threshold voltage value of the Schmitt trigger. The timing control circuit generates a negative bit line trigger signal according to the negative bit line enable signal for adjusting voltage levels of a plurality of bit lines of the memory array.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company LimitedInventors: Xiu-Li YANG, Lu-Ping KONG, Kuan CHENG, He-Zhou WAN
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Publication number: 20250098139Abstract: A memory device includes a first memory array, a first isolation cell abutting a first side of the first memory array, a first edge cell array abutting a second side, opposite to the first side, of the first memory array, a second memory array arranged at a first side, opposite to the first memory array, of the first isolation cell, a second edge cell array, and multiple first word lines passing through the first edge cell array, the first memory array and being terminated at the first isolation cell. A first width of the first isolation cell is different from a second width of the first edge cell array. The second memory array is sandwiched between the second edge cell array and the first isolation cell.Type: ApplicationFiled: November 25, 2024Publication date: March 20, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, He-Zhou WAN, Yan-Bo SONG
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Publication number: 20250078905Abstract: A memory device, comprising: a first driving circuit configured to provide a first current signal to a first node according to a decoder signal; a second driving circuit configured to provide a second current signal to a second node according to the decoder signal; and a modulating circuit coupled to the first node and the second node, configured to transmit each of the first current signal and the second current signal to a reference voltage terminal. A method is also disclosed herein. A method is also disclosed herein.Type: ApplicationFiled: November 15, 2024Publication date: March 6, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company LimitedInventors: He-Zhou WAN, Xiu-Li YANG, Mu-Yang YE, Yan-Bo SONG
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Publication number: 20250078885Abstract: A memory device includes a memory array, a first latch and a first logic element. The memory array is configured to operate according to a first global write signal. The first latch is configured to generate a first latch write data based on a clock signal. The first logic element is configured to generate the first global write signal based on the clock signal and the first latch write data.Type: ApplicationFiled: November 15, 2024Publication date: March 6, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: He-Zhou WAN, Xiu-Li YANG, Pei-Le LI, Ching-Wei WU
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Patent number: 12211586Abstract: A device includes a first memory subarray, a first modulation circuit, a second memory subarray, a second modulation circuit and a control signal generator. The first modulation circuit is coupled to the first memory subarray. The second memory subarray is located between the first memory subarray and the first modulation circuit along a direction. The second modulation circuit is coupled to the second memory subarray. The control signal generator is configured to generate a first control signal to trigger the first modulation circuit according to a first length of the first memory subarray along the direction, and configured to generate a second control signal to trigger the second modulation circuit according to a second length of the second memory subarray along the direction.Type: GrantFiled: September 27, 2023Date of Patent: January 28, 2025Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, He-Zhou Wan, Mu-Yang Ye, Lu-Ping Kong, Ming-Hung Chang
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Patent number: 12198754Abstract: A circuit comprises a memory array, a tracking bit line and a timing control circuit. The memory array comprises a plurality of tracking cells. The tracking bit line is coupled between a first node and the plurality of tracking cells. The timing control circuit is coupled to the first node and comprises a Schmitt trigger. The Schmitt trigger generates a negative bit line enable signal in response to that a voltage level on the first node being below a low threshold voltage value of the Schmitt trigger. The timing control circuit generates a negative bit line trigger signal according to the negative bit line enable signal for adjusting voltage levels of a plurality of bit lines of the memory array.Type: GrantFiled: June 29, 2023Date of Patent: January 14, 2025Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, Lu-Ping Kong, Kuan Cheng, He-Zhou Wan
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Patent number: 12190984Abstract: A circuit includes a power management circuit configured to receive at least a first or a second control signal, and to supply at least a first, second or a third supply voltage. The first control signal has a first voltage swing. The second control signal has a second voltage swing. The power management circuit includes a first level shifter circuit configured to generate a first level shifted signal in response to the first control signal, and a first header circuit coupled to at least the first level shifter circuit, a first voltage supply and a second voltage supply. The first header circuit is configured to supply the first supply voltage of the first voltage supply to the first node in response to the first control signal, and to supply the second supply voltage of the second voltage supply to the second node in response to the first level shifted signal.Type: GrantFiled: December 15, 2022Date of Patent: January 7, 2025Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventors: Xiu-Li Yang, Ching-Wei Wu, He-Zhou Wan, Ming-En Bu
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Patent number: 12193206Abstract: A memory device includes a first memory array, a first isolation cell abutting a first side of the first memory array, a first edge cell array abutting a second side, opposite to the first side, of the first memory array, a second memory array arranged at a first side, opposite to the first memory array, of the first isolation cell, a second edge cell array, and multiple first word lines passing through the first edge cell array, the first memory array and being terminated at the first isolation cell. A first width of the first isolation cell is different from a second width of the first edge cell array. The second memory array is sandwiched between the second edge cell array and the first isolation cell.Type: GrantFiled: July 29, 2022Date of Patent: January 7, 2025Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, He-Zhou Wan, Yan-Bo Song
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Patent number: 12190940Abstract: A memory device includes a first transistor, a second transistor and a third transistor. The first transistor is coupled to a first word line at a first node. The second transistor is coupled to a second word line different from the first word line at a second node. A control terminal of the first transistor is coupled to a control terminal of the second transistor. The third transistor is coupled between a ground and a third node which is coupled to each of the first node and the second node. In a layout view, each of the first transistor and the second transistor has a first length along a direction. The first transistor, the third transistor and second transistor are arranged in order along the direction. A method is also disclosed herein.Type: GrantFiled: November 1, 2023Date of Patent: January 7, 2025Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: He-Zhou Wan, Xiu-Li Yang, Mu-Yang Ye, Yan-Bo Song
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Patent number: 12176062Abstract: A memory device includes a memory array, a first latch and a first logic element. The memory array is configured to operate according to a first global write signal. The first latch is configured to generate a first latch write data based on a clock signal. The first logic element is configured to generate the first global write signal based on the clock signal and the first latch write data.Type: GrantFiled: June 16, 2023Date of Patent: December 24, 2024Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: He-Zhou Wan, Xiu-Li Yang, Pei-Le Li, Ching-Wei Wu
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Publication number: 20240290381Abstract: A device is provided. The device includes multiple transistors, a first sense circuit, and a precharge circuit. The transistors are coupled to a tracking bit line and configured to generate a first tracking signal. The first sense circuit is configured to generate a first sense tracking signal in response to the first tracking signal. The precharge circuit is configured to generate, in response to a rising edge and a falling edge of the first sense tracking signal, a precharge signal for precharging data lines.Type: ApplicationFiled: April 29, 2024Publication date: August 29, 2024Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC Nanjing Company Limited, TSMC China Company LimitedInventors: Xiu-Li YANG, He-Zhou WAN, Lu-Ping KONG, Wei-Yang JIANG
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Publication number: 20240274174Abstract: A device includes a first memory bank and a second memory bank. The first memory bank is configured to operate according to a write data signal and a first global write signal associated with a first clock signal. The second memory bank is configured to operate according to the write data signal and a second global write signal associated with a second clock signal. One of the first clock signal and the second clock signal is in oscillation when another one of the first clock signal and the second clock signal is in suspension.Type: ApplicationFiled: April 25, 2024Publication date: August 15, 2024Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, Kuan CHENG, He-Zhou WAN, Wei-Yang JIANG
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Patent number: 12002507Abstract: A device is provided. The device includes multiple transistors, a first sense circuit, and a precharge circuit. The transistors are coupled to a tracking bit line and configured to generate a first tracking signal. The first sense circuit is configured to generate a first sense tracking signal in response to the first tracking signal. The precharge circuit is configured to generate, in response to a rising edge and a falling edge of the first sense tracking signal, a precharge signal for precharging data lines.Type: GrantFiled: December 20, 2022Date of Patent: June 4, 2024Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, He-Zhou Wan, Lu-Ping Kong, Wei-Yang Jiang
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Patent number: 12002542Abstract: A device includes a first memory bank and a second memory bank. The first memory bank is configured to operate according to a write data signal and a first global write signal associated with a first clock signal. The second memory bank is configured to operate according to the write data signal and a second global write signal associated with a second clock signal. One of the first clock signal and the second clock signal is in oscillation when another one of the first clock signal and the second clock signal is in suspension.Type: GrantFiled: December 2, 2022Date of Patent: June 4, 2024Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, Kuan Cheng, He-Zhou Wan, Wei-Yang Jiang
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Publication number: 20240161798Abstract: A device includes a memory array, bit line pairs, word lines, a modulation circuit and a control signal generator. The memory array has bit cells arranged in rows and columns. Each bit line pair is connected to a respective column of bit cells. Each word line is connected to a respective row of bit cells. The modulation circuit is coupled with at least one bit line pair. The control signal generator is coupled with the modulation circuit. The control signal generator includes a tracking wiring with a tracking length positively correlated with a depth distance of the word lines. The control signal generator is configured to produce a control signal, switching to a first voltage level for a first time duration in reference with the tracking length, for controlling the modulation circuit. A method of controlling aforesaid device is also disclosed.Type: ApplicationFiled: January 25, 2024Publication date: May 16, 2024Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, He-Zhou WAN, Mu-Yang YE, Lu-Ping KONG, Ming-Hung CHANG
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Patent number: 11923041Abstract: A device includes a memory array, bit line pairs, word lines, a modulation circuit and a control signal generator. The memory array has bit cells arranged in rows and columns. Each bit line pair is connected to a respective column of bit cells. Each word line is connected to a respective row of bit cells. The modulation circuit is coupled with at least one bit line pair. The control signal generator is coupled with the modulation circuit. The control signal generator includes a tracking wiring with a tracking length positively correlated with a depth distance of the word lines. The control signal generator is configured to produce a control signal, switching to a first voltage level for a first time duration in reference with the tracking length, for controlling the modulation circuit. A method of controlling aforesaid device is also disclosed.Type: GrantFiled: July 5, 2022Date of Patent: March 5, 2024Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, He-Zhou Wan, Mu-Yang Ye, Lu-Ping Kong, Ming-Hung Chang