Patents by Inventor Perng-Fei Yuh
Perng-Fei Yuh 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: 20250111869Abstract: A memory circuit includes a memory array comprising a plurality of non-volatile memory cells, wherein the non-volatile memory cells are arranged along a plurality of access lines that extend along a lateral direction. The memory circuit includes a first access circuit physically disposed on a first side of the memory array in the lateral direction. The memory circuit includes a second access circuit physically disposed on a second side of the memory array in the lateral direction, the second side being opposite to the first side. When each of the non-volatile memory cells is configured to be programmed by at least a first current and a second current, the first current and second current flow through a first path and a second path, respectively. The first path at least comprises a portion on the first side and the second path at least comprises a portion on the second side.Type: ApplicationFiled: January 5, 2024Publication date: April 3, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tung-Cheng Chang, Yu-Fan Lin, Ku-Feng Lin, Perng-Fei Yuh, Yih Wang
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Patent number: 12254923Abstract: A memory device has a plurality of bit cells, each of which includes an SRAM cell having a storage node selectively connectable to a first bit line in response to a control signal received on a first word line. Each bit cell further includes an MRAM cell selectively connectable to the storage node of the SRAM cell in response to a control signal received on a second word line.Type: GrantFiled: January 2, 2023Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Perng-Fei Yuh, Jui-Che Tsai, Hiroki Noguchi, Yih Wang
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Patent number: 12243599Abstract: In some aspects of the present disclosure, a memory array includes: a plurality of memory cells; and a plurality of logic gates, each of the plurality of logic gates having a first input, a second input, and an output gating a corresponding one of the plurality of memory cells, wherein the first input of each of the plurality of logic gates of a first subset is coupled to a first bit select line.Type: GrantFiled: April 4, 2024Date of Patent: March 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventor: Perng-Fei Yuh
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Publication number: 20250069659Abstract: A memory circuit includes a plurality of bitcells coupled to a plurality of bitlines, a plurality of wordlines, a plurality of source lines, and a control line. A first of the bitcells and a second of the bitcells are coupled to a first of the bitlines. The first bitcell is coupled to a first of the source lines. The second bitcell is coupled to a second of the source lines. The first source line is different from the second source line.Type: ApplicationFiled: November 15, 2024Publication date: February 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yih WANG, Tung-Cheng CHANG, Perng-Fei YUH, Gu-Huan LI, Chia-En HUANG, Chun-Ying LEE
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Publication number: 20250061934Abstract: Limiting a leakage current of a memory device is provided. A sensing current that is a representative of a leakage current of a memory cell array of a memory device is generated. A reference current having a preset value is generated. The sensing current is compared with the reference current. An enable signal is generated based on the comparison. A bias voltage applied to a plurality of word lines of the memory cell array is adjusted based on the enable signal.Type: ApplicationFiled: August 18, 2023Publication date: February 20, 2025Inventor: Perng-Fei YUH
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Patent number: 12230338Abstract: A memory device and a method of operating a memory device are disclosed. In one aspect, the memory device includes a plurality of non-volatile memory cells, each of the plurality of non-volatile memory cells is operatively coupled to a word line, a gate control line, and a bit line. Each of the plurality of non-volatile memory cells comprises a first transistor, a second transistor, a first diode-connected transistor, and a capacitor. The first transistor, second transistor, first diode-connected transistor are coupled in series, with the capacitor having a first terminal connected to a common node between the first diode-connected transistor and the second transistor.Type: GrantFiled: April 4, 2024Date of Patent: February 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Perng-Fei Yuh, Tung-Cheng Chang, Gu-Huan Li, Chia-En Huang, Chun-Ying Lee, Yih Wang
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Patent number: 12217822Abstract: Disclosed herein are related to a memory device including a set of memory cells and a memory controller. In one aspect, each of the set of memory cells includes a select transistor and a storage element connected in series between a corresponding bit line and a corresponding source line. In one aspect, the memory controller is configured to apply a first write voltage to a bit line coupled to a selected memory cell, apply a second write voltage to a word line coupled to a gate electrode of a select transistor of the selected memory cell during a first time period, and apply a third write voltage to a source line coupled to the selected memory cell. The second write voltage may be between the first write voltage and the third write voltage.Type: GrantFiled: August 10, 2023Date of Patent: February 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Perng-Fei Yuh, Yih Wang
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Patent number: 12218015Abstract: An apparatus includes a beam conditioning assembly configured to output one or more wavelengths to a substrate being processed and receive one or more reflected wavelengths from the substrate, and a machine learning device configured to process the one or more reflected wavelengths to predict a process variable and compare the predicted process variable with a measured process variable to obtain a comparison result.Type: GrantFiled: August 10, 2021Date of Patent: February 4, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chansyun Yang, Chan-Lon Yang, Keh-Jeng Chang, Perng-Fei Yuh
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Patent number: 12210368Abstract: The present disclosure provides a bias generating device and a method for generating bias. A bias generating device includes a first diode-connected transistor pair connected to receive a first voltage; a second diode-connected transistor pair connected to receive a second voltage; and a first transistor pair connected to the first diode-connected transistor pair and the second diode-connected transistor pair. The first transistor pair is configured to generate a third voltage in response to the first voltage and the second voltage.Type: GrantFiled: March 8, 2024Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Perng-Fei Yuh, Yoshitaka Yamauchi, Yih Wang
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Patent number: 12211918Abstract: A semiconductor device with different configurations of nanostructured channel regions and a method of fabricating the semiconductor device are disclosed. The semiconductor device includes a fin structure disposed on a substrate, a stack of nanostructured horizontal channel (NHC) regions disposed on the fin structure, a nanostructured vertical channel (NVC) region disposed within the stack of NHC regions, a source/drain (S/D) region disposed on the fin structure, and a gate structure disposed on the NHC regions and on portions of the NVC region that are not covered by the NHC regions and the fin structure.Type: GrantFiled: August 8, 2023Date of Patent: January 28, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chansyun David Yang, Keh-Jeng Chang, Chan-Lon Yang, Perng-Fei Yuh
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Patent number: 12190949Abstract: A memory circuit includes a bias voltage generator including a first buffer configured to generate a first bias voltage based on a reference voltage and a plurality of second buffers configured to generate a plurality of second bias voltages based on the first bias voltage. The memory circuit includes a plurality of voltage clamp devices coupled to the plurality of second buffers, and each voltage clamp device is configured to apply a drive voltage to a corresponding resistance-based memory device of a plurality of resistance-based memory devices based on the corresponding second bias voltage of the plurality of second bias voltages.Type: GrantFiled: May 12, 2023Date of Patent: January 7, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Perng-Fei Yuh, Shao-Ting Wu, Yu-Fan Lin
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Patent number: 12190986Abstract: A sense amplifier including a first input transistor having a first input gate and a first drain/source terminal, a second input transistor having a second input gate and a second drain/source terminal, a latch circuit, and a first capacitor. The latch circuit includes a first latch transistor having a third drain/source terminal connected to the first drain/source terminal and a second latch transistor having a fourth drain/source terminal connected to the second drain/source terminal. The first capacitor is connected on one side to the first input gate and on another side to the fourth drain/source terminal to reduce a coupling effect in the sense amplifier.Type: GrantFiled: August 10, 2023Date of Patent: January 7, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ku-Feng Lin, Jui-Che Tsai, Perng-Fei Yuh, Yih Wang
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Patent number: 12183397Abstract: A memory circuit includes a plurality of bitcells coupled to a plurality of bitlines, a plurality of wordlines, a plurality of source lines, and a control line. A first of the bitcells and a second of the bitcells are coupled to a first of the bitlines. The first bitcell is coupled to a first of the source lines. The second bitcell is coupled to a second of the source lines. The first source line is different from the second source line.Type: GrantFiled: December 17, 2021Date of Patent: December 31, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yih Wang, Tung-Cheng Chang, Perng-Fei Yuh, Gu-Huan Li, Chia-En Huang, Chun-Ying Lee
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Publication number: 20240402744Abstract: A push-pull Low Dropout (LDO) voltage regulator is provided. An instantaneous output voltage of the push-pull LDO voltage regulator is compared with a first reference voltage and a first output based on comparing the first reference voltage with the instantaneous output voltage is provided. The instantaneous output voltage of the push-pull LDO voltage regulator is compared with a second reference voltage and a second output based on comparing the instantaneous output voltage with the second reference voltage is provided. One or more bi-directional drivers of a plurality of bi-directional drivers of the push-pull LDO voltage regulator are driven based on the first output and the second output. The plurality of bi-directional drives provide the predetermined output voltage.Type: ApplicationFiled: May 30, 2023Publication date: December 5, 2024Inventors: Perng-Fei YUH, Yen-Hsiang HUANG
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Publication number: 20240395637Abstract: A method for real-time compensation control of an etch process includes: providing a substrate having a layer in a process chamber; performing the etch process on the layer; directing one or more wavelengths to a region of the layer by a beam conditioning assembly; receiving one or more reflected wavelengths from the region of the layer; predicting a process variable by processing the one or more reflected wavelengths using a machine learning model; and comparing the predicted process variable with a predetermined process variable to obtain a comparison result.Type: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Inventors: Chansyun Yang, Chan-Lon Yang, Keh-Jeng Chang, Perng-Fei Yuh
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Publication number: 20240386977Abstract: In some aspects of the present disclosure, a memory circuit is disclosed. In some aspects, the memory circuit includes a first storage element coupled to a first bit line, a first transistor coupled between the first storage element and a center node, a second storage element coupled to a second bit line, a second transistor coupled between the second storage element and the center node, and a third transistor coupled between the center node and a reference node.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ku-Feng Lin, Perng-Fei Yuh, Meng-Sheng Chang
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Publication number: 20240386979Abstract: Systems, devices, and methods are described herein for a programmable memory array. A programmable memory system includes an array of programmable memory bit cells. A memory bit cell of the array includes a first transistor of a first type controlled by a bit line, a second transistor of a second type responsive to a first word line and a second word line via a logic gate, and a third transistor of the second type responsive to the word line. The first word line is positioned substantially perpendicular to the bit line, and the second word line is positioned substantially parallel to the bit line. The first word line is activated via an X portion of an address. While the second word line is activated via a Y portion of the address.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: Meng-Sheng Chang, Yoshitaka Yamauchi, Perng-Fei Yuh
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Publication number: 20240386919Abstract: One aspect of this description relates to a memory array. The memory array includes a plurality of N-stack pass gates, a plurality of enable lines, a plurality of NMOS stacks, a plurality of word lines, and a matrix of resistive elements. Each N-stack pass gate includes a stage-1 PMOS core device and a stage-N PMOS core device in series. Each stage-1 PMOS is coupled to a voltage supply. Each enable line drives a stack pass gate. Each N-stack selector includes a plurality of NMOS stacks. Each NMOS stack includes a stage-1 NMOS core device and a stage-N NMOS core device in series. Each stage-1 NMOS core device is coupled to a ground rail. Each word line is driving a stack selector. Each resistive element is coupled between a stack pass gate and a stack selector. Each voltage supply is greater than a breakdown voltage for each of the core devices.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Perng-Fei Yuh, Meng-Sheng Chang, Tung-Cheng Chang, Yih Wang
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Publication number: 20240387139Abstract: The present disclosure relates to an ion beam etching (IBE) system including a process chamber. The process chamber includes a plasma chamber configured to provide plasma. In addition, the process chamber includes an accelerator grid having multiple accelerator grid elements including a first accelerator grid element and a second accelerator grid element. A first wire is coupled to the first accelerator grid element and configured to supply a first voltage to the first accelerator grid element. A second wire is coupled to the second accelerator grid element and configured to supply a second voltage to the second accelerator grid element, where the second voltage is different from the first voltage. A first ion beam through a first hole is controlled by the first accelerator grid element, and a second ion beam through a second hole is controlled by the second accelerator grid element.Type: ApplicationFiled: July 25, 2024Publication date: November 21, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chansyun David YANG, Keh-Jeng CHANG, Chan-Lity YANG, Perng-Fei YUH
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Publication number: 20240387673Abstract: A semiconductor device with different configurations of nanostructured channel regions and a method of fabricating the semiconductor device are disclosed. The semiconductor device includes a fin structure disposed on a substrate, a stack of nanostructured horizontal channel (NHC) regions disposed on the fin structure, a nanostructured vertical channel (NVC) region disposed within the stack of NHC regions, a source/drain (S/D) region disposed on the fin structure, and a gate structure disposed on the NHC regions and on portions of the NVC region that are not covered by the NHC regions and the fin structure.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chansyun David YANG, Keh-Jeng CHANG, Chan-Lon YANG, Perng-Fei YUH