Patents by Inventor Kuan Cheng
Kuan Cheng 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: 20230368828Abstract: A circuit includes a series of a first latch circuit, selection circuit, second latch circuit, and pre-decoder. A control circuit, based on a clock signal, outputs control signals to the selection circuit and first and second latch circuits, and, to the pre-decoder, a pulse signal including a first pulse during a first portion of a clock period in response to a read enable signal having a first logical state, and a second pulse during a second portion of the clock period in response to a write enable signal having the first logical state. Based on the control signals, the selection circuit and first and second latch circuits output read and write addresses to the pre-decoder during the respective first and second clock period portions, and the pre-decoder outputs a partially decoded address in response to each of the read address and first pulse, and the write address and second pulse.Type: ApplicationFiled: July 18, 2023Publication date: November 16, 2023Inventors: XiuLi YANG, Ching-Wei WU, He-Zhou WAN, Kuan CHENG, Luping KONG
-
Patent number: 11811404Abstract: A latch circuit includes a latch clock generator configured to generate a latched clock signal based on a clock signal and a first enable signal, and an input latch coupled to the latch clock generator to receive the latched clock signal. The input latch is configured to generate a latched output signal based on the latched clock signal and an input signal. In response to the first enable signal having a disabling logic level, the latch clock generator is configured to set a logic level of the latched clock signal to a corresponding disabling logic level, regardless of the clock signal. The latch clock generator includes a first inverter configured to generate an inverted signal of the first enable signal, and a NAND gate coupled to the first inverter to receive the inverted signal of the first enable signal. The NAND gate is configured to generate the latched clock signal based on the clock signal and the inverted signal of the first enable signal.Type: GrantFiled: November 12, 2021Date of Patent: November 7, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventors: XiuLi Yang, Kuan Cheng, He-Zhou Wan, Ching-Wei Wu, Wenchao Hao
-
Publication number: 20230352085Abstract: 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: June 29, 2023Publication date: November 2, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC Nanjing Company Limited, TSMC China Company LimitedInventors: Xiu-Li YANG, Lu-Ping KONG, Kuan CHENG, He-Zhou WAN
-
Publication number: 20230326919Abstract: An electrostatic discharge protection structure includes a semiconductor substrate, a gate structure disposed on the semiconductor substrate, a first well region of a first conductivity type disposed in the semiconductor substrate, a first doped region of the first conductivity type, a second doped region of a second conductivity type, a third doped region of the first conductivity type, and a fourth doped region of the second conductivity type. The first and second doped regions are disposed in the first well region and connected with each other. The second doped region is an emitter of a first bipolar junction transistor. The third and fourth doped regions are disposed in the semiconductor substrate and connected with each other. The third and second doped regions are located at two opposite sides of the gate structure in a first horizontal direction. The third doped region is an emitter of a second bipolar junction transistor.Type: ApplicationFiled: May 11, 2022Publication date: October 12, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hou-Jen Chiu, Mei-Ling Chao, Tien-Hao Tang, Kuan-Cheng Su
-
Patent number: 11769539Abstract: An integrated circuit includes multiple memory cells, a first pair of complementary data lines, a second pair of complementary data lines, multiple first word lines, and multiple second word lines. The memory cells include a first array of memory cells and a second array of memory cells. The first pair of complementary data lines are coupled to the first array of memory cells. The second pair of complementary data lines are coupled to the second array of memory cells. Lengths of the first pair of complementary data lines are shorter than lengths of the second pair of complementary data lines. The first word lines and the second word lines are arranged according to a predetermined ratio of a number of the first word lines to a number of the second word lines. The predetermined ratio is less than 1.Type: GrantFiled: March 25, 2022Date of Patent: September 26, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, He-Zhou Wan, Kuan Cheng, Ching-Wei Wu
-
Publication number: 20230299158Abstract: An electrostatic discharge (ESD) protection device includes a semiconductor substrate, a gate structure, a source doped region, a drain doped region, source silicide patterns, and drain silicide patterns. The gate structure is disposed on the semiconductor substrate. The source doped region and the drain doped region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure in a first direction, respectively. The source silicide patterns are disposed on the source doped region. The source silicide patterns are arranged in a second direction and separated from one another. The drain silicide patterns are disposed on the drain doped region. The drain silicide patterns are arranged in the second direction and separated from one another. The source silicide patterns and the drain silicide patterns are arranged misaligned with one another in the first direction.Type: ApplicationFiled: April 12, 2022Publication date: September 21, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Kuan-Yu Lu, Hou-Jen Chiu, Mei-Ling Chao, Tien-Hao Tang, Kuan-Cheng Su
-
Publication number: 20230290395Abstract: An integrated circuit includes integrated circuit includes a memory bank, a first group of word lines, a second group of word lines, an access circuit, a converter circuit and a decoder circuit. The first group of word lines is coupled to the memory bank. The second group of word lines is coupled to the memory bank, and arranged in order with the first group of word lines. The access circuit is configured to read the memory bank. The converter circuit is configured to control the access circuit at least based on a first control signal. The decoder circuit is configured to generate the first control signal at least according to a first bit and a second bit of an address signal. The first bit and the second bit indicates one group of the first group of word lines and the second group of word lines.Type: ApplicationFiled: May 18, 2023Publication date: September 14, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, He-Zhou WAN, Kuan CHENG, Ching-Wei WU
-
Publication number: 20230274056Abstract: A method for a parallelism-aware wavelength-routed optical networks-on-chip design is proposed, which is executed by a computer, the method comprising using the computer to perform the following: providing a WRONoC netlist, design specs and design rules; performing a network construction such that potential positions of each core of a plurality of cores, a plurality of waveguides and a plurality of microring resonators (MRRs) are determined to create a topology; performing a message routing to minimize MRR type usage of the MRRs in the topology; and performing a MRR radius selection to select a radius from MRR-radius options for each MRR type in said topology based on a simulated annealing.Type: ApplicationFiled: February 28, 2022Publication date: August 31, 2023Inventors: Kuan-Cheng Chen, Yan-Lin Chen, Yu-Sheng Lu, Yao-Wen Chang, Yu-Tsang Hsieh
-
Patent number: 11735251Abstract: A circuit includes a tracking word line, a power switch, a tracking bit line, a sense circuit. The power switch is coupled between the tracking word line and a first node. The power switch is configured to discharge a voltage level on the first node in response to a clock pulse signal transmitted through the tracking word line to the power switch. The tracking bit line is coupled between the first node and a plurality of tracking cells in a memory array. The sense circuit is coupled between the first node and a second node. The sense circuit is configured to generate a negative bit line enable signal in response to that the voltage level on the first node is below a threshold voltage value of the sense circuit.Type: GrantFiled: February 23, 2021Date of Patent: August 22, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, Lu-Ping Kong, Kuan Cheng, He-Zhou Wan
-
Patent number: 11705175Abstract: A circuit includes a plurality of registers, each register including SRAM cells, a read port configured to receive a read address, a write port configured to receive a write address, a selection circuit, a latch circuit, and a decoder coupled in series between the read and write ports and the plurality of registers, and a control circuit. Responsive to a clock signal and read and write enable signals, the control circuit causes the selection circuit, the latch circuit, and the decoder to select a first register of the plurality of registers in a read operation based on the read address, and select a second register of the plurality of registers in a write operation based on the write address.Type: GrantFiled: August 8, 2022Date of Patent: July 18, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY, LIMITED, TSMC CHINA COMPANY, LIMITEDInventors: XiuLi Yang, Ching-Wei Wu, He-Zhou Wan, Kuan Cheng, Luping Kong
-
Patent number: 11705174Abstract: An integrated circuit includes a plurality of memory cells, a first pair of complementary data lines, and a second pair of complementary data lines. The plurality of memory cells include a first array of memory cells and a second array of memory cells. The first pair of complementary data lines are coupled to the first array of memory cells. The second pair of complementary data lines are different from the first pair of complementary data lines and are coupled to the second array of memory cells. A number of memory cells in the first array of memory cells is different from a number of memory cells in the second array of memory cells.Type: GrantFiled: March 25, 2022Date of Patent: July 18, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, He-Zhou Wan, Kuan Cheng, Ching-Wei Wu
-
Publication number: 20230105594Abstract: 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: December 2, 2022Publication date: April 6, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, Kuan CHENG, He-Zhou WAN, Wei-Yang JIANG
-
Patent number: 11611262Abstract: A dynamic nameplate is provided, which includes: a base disposed on a circuit board; and a rotating member disposed on the base through a bearing, so that the rotating member can rotate relative to the base. The dynamic nameplate can provide dynamic effects without using a conventional motor.Type: GrantFiled: December 10, 2020Date of Patent: March 21, 2023Assignee: AURAS TECHNOLOGY CO., LTD.Inventors: Mu-Shu Fan, Chien-Chih Su, Kuan-Cheng Lu
-
Publication number: 20230009174Abstract: A dust-proof sensing device includes a mechanical body, a feeding path, a first photoelectric sensor disposed above the feeding path, a second photoelectric sensor disposed under the feeding path, and an upper bracket. The mechanical body has a feeding path. The upper bracket is mounted above the feeding path. The upper bracket has an upper fastening portion fastened to the mechanical body, an upper wedging portion fastened at the upper fastening portion, an L-shaped upper light guiding holder fastened at the upper fastening portion, and a first light guider fastened at the upper light guiding holder. The upper fastening portion has a first inclined section. An inner edge of an upper surface of the first inclined section is intersected with a top edge of an inner surface of the upper wedging portion to form a clamping angle.Type: ApplicationFiled: April 11, 2022Publication date: January 12, 2023Inventors: You Chung Chou, Kuan Cheng Huang
-
Patent number: 11521662Abstract: A device includes memory banks, a first pair of write data wirings, a second pair of write data wirings and a global write circuit. The first pair of write data wirings is connected to a first group among the memory banks. The second pair of write data wirings is connected to a second group among the memory banks. In response to a first clock signal, the global write circuit generates a first global write signal and a first complement global write signal transmitted to the first group among the memory banks through the first pair of write data wirings. In response to a second clock signal, the global write circuit generates a second global write signal and a second complement global write signal transmitted to the second group among the memory banks through the second pair of write data wirings.Type: GrantFiled: April 13, 2021Date of Patent: December 6, 2022Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li Yang, Kuan Cheng, He-Zhou Wan, Wei-Yang Jiang
-
Publication number: 20220382852Abstract: Computing systems of a multi-tenant trusted domain collect metadata describing data stored in data sources of a set of tenant trusted domains. The computing systems of the multi-tenant trusted domain use the metadata to process natural language questions based on data stored in data sources of a tenant trusted domain. The computing systems of the multi-tenant trusted domain identify a set of data sources of the tenant trusted domain that are relevant for processing the natural language question and generate an execution plan for answering the natural language question. The computing systems of the multi-tenant trusted domain send the execution plan to one or more computing systems of the tenant trusted domain. The computing systems of the tenant trusted domain execute the execution plan and send the result of executing the execution plan to a client device that sent the natural language question.Type: ApplicationFiled: June 1, 2022Publication date: December 1, 2022Inventors: Shuo Yang, Xicheng Chang, Himangshu Das, Azary Smotrich, Puneet Gupta, Kaycee Kuan-Cheng Lai
-
Publication number: 20220382791Abstract: Computing systems of a multi-tenant trusted domain collect metadata describing data stored in data sources of a set of tenant trusted domains. The computing systems of the multi-tenant trusted domain use the metadata to process natural language questions based on data stored in data sources of a tenant trusted domain. The computing systems of the multi-tenant trusted domain identify a set of data sources of the tenant trusted domain that are relevant for processing the natural language question and generate an execution plan for answering the natural language question. The computing systems of the multi-tenant trusted domain send the execution plan to one or more computing systems of the tenant trusted domain. The computing systems of the tenant trusted domain execute the execution plan and send the result of executing the execution plan to a client device that sent the natural language question.Type: ApplicationFiled: June 1, 2022Publication date: December 1, 2022Inventors: Shuo Yang, Xicheng Chang, Himangshu Das, Azary Smotrich, Puneet Gupta, Kaycee Kuan-Cheng Lai
-
Publication number: 20220375512Abstract: A circuit includes a plurality of registers, each register including SRAM cells, a read port configured to receive a read address, a write port configured to receive a write address, a selection circuit, a latch circuit, and a decoder coupled in series between the read and write ports and the plurality of registers, and a control circuit. Responsive to a clock signal and read and write enable signals, the control circuit causes the selection circuit, the latch circuit, and the decoder to select a first register of the plurality of registers in a read operation based on the read address, and select a second register of the plurality of registers in a write operation based on the write address.Type: ApplicationFiled: August 8, 2022Publication date: November 24, 2022Inventors: XiuLi YANG, Ching-Wei WU, He-Zhou WAN, Kuan CHENG, Luping KONG
-
Patent number: 11450367Abstract: A circuit includes a selection circuit configured to receive a first address from a first port and a second address from a second port, a first latch circuit coupled to the selection circuit and configured to output each of the first address and the second address received from the selection circuit, a decoder, and a control circuit. The control circuit is configured to generate a plurality of signals configured to cause the decoder to decode each of the first address and the second address.Type: GrantFiled: February 23, 2021Date of Patent: September 20, 2022Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITED, TSMC NANJING COMPANY, LIMITEDInventors: XiuLi Yang, Ching-Wei Wu, He-Zhou Wan, Kuan Cheng, Luping Kong
-
Publication number: 20220257730Abstract: The present invention relates to a botulinum toxin type A complex, and a formulation thereof and a usage method therefor. The present invention provides the botulinum toxin type A complex, comprising an HA70 component, and an HA17 component, an HA33 component, an NTNH component, and a BoNT/A1 component, wherein the botulinum toxin complex has a molecular weight of 740-790 kDa. Compared with the existing botulinum toxin complexes, the botulinum toxin complex of the present invention is smaller in molecular weight and higher in safety, and has a comparable treatment effect.Type: ApplicationFiled: March 31, 2020Publication date: August 18, 2022Inventors: Tzu-Wen Tsau, Yung-Kai Wang, Kuan-Cheng Shen, Yueh-Chin Wu, Cheng-Der Tony Yu, Yu-Chun Tseng