Patents Assigned to TSMC CHINA COMPANY, LIMITED
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Patent number: 11652348Abstract: An integrated circuit includes a control circuit, a first voltage generation circuit, and a second voltage generation circuit. The control circuit is coupled between a first voltage terminal and a first node, and generates an initiation voltage at the first node. The first voltage generation circuit and the second voltage generation circuit are coupled to a first capacitive unit at the first node and coupled to a second capacitive unit at a second node. The first voltage generation circuit generates, in response to the initiation voltage at the first node, a first control signal based on a first supply voltage to the second voltage generation circuit. The second voltage generation circuit generates, in response to the first control signal received from the first voltage generation circuit, a second control signal to the first node, based on a second supply voltage.Type: GrantFiled: January 6, 2021Date of Patent: May 16, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Kai Zhou, Lei Pan, Ya-Qi Ma, Zhang-Ying Yan
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Patent number: 11651134Abstract: A method includes specifying a target memory macro, and determining failure rates of function-blocks in the target memory macro based on an amount of transistors and area distributions in a collection of base cells. The method also includes determining a safety level of the target memory macro, based upon a failure-mode analysis of the target memory macro, from a memory compiler, based on the determined failure rate.Type: GrantFiled: May 28, 2021Date of Patent: May 16, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY, LIMITEDInventors: Ching-Wei Wu, Ming-En Bu, He-Zhou Wan, Hidehiro Fujiwara, Xiu-Li Yang
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Publication number: 20230122135Abstract: 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: December 20, 2022Publication date: April 20, 2023Applicants: 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: 11626872Abstract: A circuit includes first to third transistors. The first transistor includes a first terminal coupled to a first voltage, and a second terminal coupled to a connection. The second transistor includes a gate terminal coupled to the gate terminal of the first transistor, a first terminal coupled to a second voltage, and a second terminal coupled to the connection. The third transistor includes a first terminal coupled to the connection, a second terminal coupled to a node between the second terminals of the first and second transistors. The third transistor is controlled to be turned ON at a beginning of a first edge of a driving signal on the connection to pull a voltage of the driving signal on the first edge toward a threshold voltage, and be turned OFF in response to and after the voltage of the driving signal on the first edge reaching the threshold voltage.Type: GrantFiled: July 8, 2021Date of Patent: April 11, 2023Assignees: TSMC CHINA COMPANY, LIMITED, TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Zhen Tang, Lei Pan, Miranda Ma
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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
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Publication number: 20230056697Abstract: A method includes forming a dielectric layer on a substrate; forming a first spiral electrode, a second spiral electrode, and a spiral common electrode in the dielectric layer, the first spiral electrode extending in a first spiral path, the second spiral electrode extending in a second spiral path, and the spiral common electrode extending in a third spiral path laterally between the first and second spiral paths.Type: ApplicationFiled: October 28, 2022Publication date: February 23, 2023Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITEDInventor: Zheng-Long CHEN
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Publication number: 20230049698Abstract: 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: ApplicationFiled: October 26, 2022Publication date: February 16, 2023Applicants: 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: 11568126Abstract: A method of designing an integrated circuit (IC) device includes identifying, using a processor, data corresponding to an IC manufacturing process. The designing also includes assigning, using the processor, the data to one or more design rule instruction macros. The designing also includes selecting, using the processor, one or more constraints to be applied to the one or more design rule instruction macros. The designing also includes executing, using the processor, the one or more design rule instruction macros to configure a design rule for the IC manufacturing process.Type: GrantFiled: April 6, 2021Date of Patent: January 31, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventor: Ya-Min Zhang
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Patent number: 11561562Abstract: A device includes a voltage regulator circuit, a power switch circuit, and a control circuit. The voltage regulator circuit generates an output voltage at an output terminal. The power switch circuit is coupled to the voltage regulator circuit. The control circuit receives a first control signal and generates a second control signal that includes a first portion gradually declining between a first time and a second time later than the first time. When the voltage regulator circuit is turned off and a logic state of the first control signal changes at the first time, the power switch circuit is turned on at the second time, in response to the second control signal, to adjust the output voltage.Type: GrantFiled: March 5, 2021Date of Patent: January 24, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Yong-Liang Jin, Ya-Qi Ma, Wei Li, Di Fan
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Patent number: 11557336Abstract: A device is disclosed. The device includes a first tracking control line, a first tracking circuit, a first sense circuit, and a precharge circuit. The first tracking control line is configured to transmit a first tracking control signal. The first tracking circuit is configured to generate, in response to the first tracking control signal, a first tracking signal associated with first tracking cells in a memory array. The first sense circuit is configured to receive the first tracking signal, and 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 of the first sense tracking signal and a falling edge of a read enable delayed signal, a precharge signal for precharging data lines associated with memory cell in the memory array. A method is also disclosed herein.Type: GrantFiled: November 30, 2020Date of Patent: January 17, 2023Assignees: 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: 11545191Abstract: A circuit includes a power management circuit and a memory circuit. The power management circuit is configured to receive a first control signal and a second control signal, and to supply a first supply voltage, a second supply voltage and a third supply voltage. The first control signal has a first voltage swing, and the second control signal has a second voltage swing different from the first voltage swing. The first control signal causes the power management circuit to enter a power management mode having a first state and a second state. The memory circuit is coupled to the power management circuit, and is in the first state or the second state in response to at least the first supply voltage supplied by the power management circuit.Type: GrantFiled: February 3, 2021Date of Patent: January 3, 2023Assignees: 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: 11545192Abstract: A device includes a first virtual power line, a second virtual power line, a first delay circuit, and a first wakeup detector. The first virtual power line and the second virtual power line are coupled to a power supply correspondingly through a first group of transistor switches and a second group of transistor switches. The first delay circuit is coupled between gate terminals of the first group of transistor switches and gate terminals in the second group of transistor switches. The first wakeup detector is configured to generate a first trigger signal after receiving a signal from the first delay circuit.Type: GrantFiled: February 25, 2021Date of Patent: January 3, 2023Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventors: He-Zhou Wan, XiuLi Yang, Ming-En Bu, Mengxiang Xu, Zong-Liang Cao
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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
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Publication number: 20220384648Abstract: A semiconductor device includes a gate structure, a drift region, a source region, a drain region, and a doped region. The gate structure is over a semiconductor substrate. The drift region is in the semiconductor substrate and laterally extends past a first side of the gate structure. The source region is in the semiconductor substrate and adjacent a second side of the gate structure opposite the first side. The drain region is in the drift region. The doped region is in the drift region and between the drain region and the gate structure. From a top view the doped region has a strip pattern extending in parallel with a strip pattern of the gate structure.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC China Company LimitedInventors: Lian-Jie LI, Yan-Bin LU, Feng HAN, Shuai ZHANG
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Publication number: 20220384760Abstract: An organic light emitting diode display includes an integrated circuit, a first electrode, a spacer, an organic material stack layer, and a second electrode. The first electrode is electrically connected to the integrated circuit and has a top surface, a bottom surface, and an inclined surface connecting the top and bottom surfaces. An angle between the inclined surface and the bottom surface is in a range from about 45 degrees to about 80 degrees. The spacer is disposed to cover the inclined surface of the first electrode. The organic material stack layer is disposed on the first electrode. The second electrode is disposed on the organic material stack layer and the spacers.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITEDInventors: Shui-Liang CHEN, Lin-Chun GUI, Jian HUANG, Lin-Lin TIAN
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Patent number: 11514974Abstract: A memory device includes a word line driver. The word line driver is coupled through word lines to an array of bit cells. The word line driver includes a first driving circuit, a second driving circuit and a modulating circuit. The first driving circuit and the second driving circuit are configured to select a word line. The modulating circuit is coupled through the selected word line to the first driving circuit and the second driving circuit, and is configured to modulate at least one signal transmitted through the selected word line. The first driving circuit and the second driving circuit are further configured to charge the selected word line to generate a first voltage signal and a second voltage signal at two positions of the selected word line. The first voltage signal is substantially the same as the second voltage signal. A method is also disclosed herein.Type: GrantFiled: March 22, 2021Date of Patent: November 29, 2022Assignees: 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: 20220375854Abstract: A semiconductor device includes a substrate, an active region, an isolation structure, a first metal line, gate structure, source/drain region, a source/drain contact, and a second metal line. The active region protrudes from a top surface of the substrate. The isolation structure is over the substrate and laterally surrounds the active region. The first metal line is in the isolation structure. The gate structure is over the active region. The source/drain region is in the active region. The source/drain contact is over the active region and is electrically connected to the source/drain region. The second metal line is over the gate structure and the source/drain contact, in which the second metal line vertically overlaps the first metal line.Type: ApplicationFiled: July 27, 2022Publication date: November 24, 2022Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC Nanjing Company Limited, TSMC China Company LimitedInventors: Zhang-Ying YAN, Xin-Yong WANG
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Patent number: 11509224Abstract: A circuit includes a first passive device between supply and bias nodes, a first switching device and a second passive device between the bias and a reference node, a transistor between the supply and an output node, a third passive device and a second switching device between the output and a feedback node, a fourth passive device between the feedback and reference nodes, a third switching device between the supply and output nodes, and an amplifier controlling the transistor based on bias node and feedback node voltages. In a first mode, the first and second switching devices are off, the third switching device is on, and the supply node receives a first voltage level. In a second mode, the first and second switching devices are on, the third switching device is off, and a second voltage level greater than the first voltage level is received on the supply node.Type: GrantFiled: April 23, 2021Date of Patent: November 22, 2022Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY, LIMITEDInventors: Wei Li, Yongliang Jin, Yaqi Ma
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Publication number: 20220367484Abstract: 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: July 29, 2022Publication date: November 17, 2022Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, He-Zhou WAN, Yan-Bo SONG
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Publication number: 20220360073Abstract: A device includes an electrostatic discharge (ESD) protection switch and an ESD driver. The ESD driver is configured to receive a first voltage at a first terminal and receive a second voltage at a second terminal and includes a first trigger circuit and a first resistor. The first trigger circuit includes a first input terminal and a first output terminal. The first input terminal is configured to receive the first voltage. The first resistor is coupled between the first output terminal and the second terminal. When the first voltage received at the first terminal is a first overvoltage and a voltage difference between the first voltage and the second voltage is higher than a first voltage threshold, the ESD driver outputs a first trigger signal to turn on the ESD protection switch.Type: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., TSMC CHINA COMPANY LIMITEDInventors: Hang FAN, Ming-Fang LAI, Shui-Ming CHENG