Patents by Inventor Jonathan Tsung-Yung Chang
Jonathan Tsung-Yung Chang 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: 11763882Abstract: A twelve-transistor (12T) memory cell for a memory device that includes a transmission gate, a cross-coupled inverter circuit operably connected to the transmission gate, and a tri-state inverter operably connected to the cross-coupled inverter circuit. The cross-coupled inverter includes another tri-state inverter cross-coupled to an inverter circuit. Various operations for the 12T memory cell, as well as circuitry to perform the operations, are disclosed.Type: GrantFiled: July 25, 2022Date of Patent: September 19, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Mahmut Sinangil, Yen-Huei Chen, Yen-Ting Lin, Hung-Jen Liao, Jonathan Tsung-Yung Chang
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Publication number: 20230290840Abstract: The present disclosure describes a structure with front and back side power supply interconnects. The structure includes a transistor structure disposed in a substrate, where the transistor structure includes a source/drain (S/D) region. The structure also includes a front side power supply line above a top surface of the substrate, wherein the front side power supply line is electrically connected to a power supply metal line. The structure further includes a back side power supply line below a bottom surface of the substrate. A front side metal via electrically connects the front side power supply line to a front surface of the S/D region. A back side metal via electrically connects the back side power supply line to a back surface of the S/D region.Type: ApplicationFiled: April 29, 2022Publication date: September 14, 2023Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Nail Etkin Can AKKAYA, Mahmut SINANGIL, Yih WANG, Jonathan Tsung-Yung CHANG
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Patent number: 11756608Abstract: A memory device includes a memory array having a plurality of memory cells arranged along a plurality of rows extending in a row direction and a plurality of columns extending in a column direction. The memory array also includes a plurality of write assist cells connected to the plurality of memory cells. At least one write assist cell of the plurality of write assist cells is in each of the plurality of columns and connected to respective ones of the plurality of memory cells in a same column.Type: GrantFiled: August 27, 2021Date of Patent: September 12, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yangsyu Lin, Po-Sheng Wang, Cheng Hung Lee, Jonathan Tsung-Yung Chang
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Publication number: 20230274769Abstract: A device includes a memory array formed on a front side of a substrate. The memory array is accessible through a plurality of bit lines. The memory device includes a switch transistor formed on the front side of the substrate. The switch transistor is operatively coupled to the plurality of bit lines. The memory device includes a first capacitor formed on a back side of the substrate. The first capacitor is configured to reduce a voltage level present on at least one of the plurality of bit lines, in response to the switch transistor being turned off.Type: ApplicationFiled: June 8, 2022Publication date: August 31, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Nail Etkin Can Akkaya, Mahmut Sinangil, Yih Wang, Jonathan Tsung-Yung Chang
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Patent number: 11728789Abstract: The present disclosure describes an example circuit for selecting a voltage supply. The circuit includes a first control switch, a first voltage supply switch, a second control switch, and a second voltage supply switch. The first control switch is configured to receive a control signal and a first voltage supply. The first voltage supply switch is electrically coupled to the first control switch and is configured to receive a second voltage supply. The second voltage supply switch is electrically coupled to the second control switch and configured to receive the first voltage supply. The first and second voltage supply switches are configured to selectively output the first and second voltage supplies based on the control signal.Type: GrantFiled: August 19, 2021Date of Patent: August 15, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chia-Chen Kuo, Yangsyu Lin, Yu-Hao Hsu, Cheng Hung Lee, Hung-Jen Liao, Jonathan Tsung-Yung Chang
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Publication number: 20230253040Abstract: Disclosed herein are related to a memory cell including one or more programmable resistors and a control transistor. In one aspect, a programmable resistor includes a gate structure and one or more source/drain structures for forming a transistor. A resistance of the programmable resistor may be set by applying a voltage to the gate structure, while the control transistor is enabled. Data stored by the programmable resistor can be read by sensing current through the programmable resistor, while the control transistor is disabled. In one aspect, the one or more programmable resistors and the control transistor are implemented by same type of components, allowing the memory cell to be formed in a compact manner through a simplified the fabrication process.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Der Chih, Jonathan Tsung-Yung Chang, Yun-Sheng Chen, May-Be Chen, Ya-Chin King, Wen Zhang Lin, Chrong Lin, Hsin-Yuan Yu
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Patent number: 11714570Abstract: A charge sharing scheme is used to mitigate the variations in cell currents in order to achieve higher accuracy for CIM computing. In some embodiments, a capacitor is associated with each SRAM cell, and the capacitors associated with all SRAM cells in a column are included in averaging the RBL current. In some embodiments, a memory unit associated to an RBL in a CIM device includes a storage element adapted to store a weight, a first switch device connected to the storage element and adapted to be controlled by an input signal and generate a product signal having a magnitude indicative of the product of the input signal and the stored weight. The memory unit further includes a capacitor adapted to receive the product signal and store an amount of charge corresponding to the magnitude of the product signal. The memory unit further include a second switch device adapted to transfer the charge on the capacitor to the RBL.Type: GrantFiled: December 22, 2020Date of Patent: August 1, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jonathan Tsung-Yung Chang, Hidehiro Fujiwara, Hung-Jen Liao, Yen-Huei Chen, Yih Wang, Haruki Mori
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Publication number: 20230240156Abstract: A resistive memory device includes a bottom electrode, a top electrode and a resistance changing element. The top electrode is disposed above and spaced apart from the bottom electrode, and has a downward protrusion aligned with the bottom electrode. The resistance changing element covers side and bottom surfaces of the downward protrusion.Type: ApplicationFiled: January 21, 2022Publication date: July 27, 2023Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Der CHIH, Wen-Zhang LIN, Yun-Sheng CHEN, Jonathan Tsung-Yung CHANG, Chrong-Jung LIN, Ya-Chin KING, Cheng-Jun LIN, Wang-Yi LEE
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Patent number: 11693560Abstract: An in-memory computing device includes in some examples a two-dimensional array of memory cells arranged in rows and columns, each memory cell made of a nine-transistor current-based SRAM. Each memory cell includes a six-transistor SRAM cell and a current source coupled by a switching transistor, which is controlled by input signals on an input line, to an output line associates with the column of memory cells the memory cell is in. The current source includes a switching transistor controlled by the state of the six-transistor SRAM cell, and a current regulating transistor adapted to generate a current at a level determined by a control signal applied at the gate. The control signal can be set such that the total current in each output line is increased by a factor of 2 in each successive column of the memory cells.Type: GrantFiled: January 22, 2021Date of Patent: July 4, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Der Chih, Chi-Fu Lee, Jonathan Tsung-Yung Chang
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Publication number: 20230206983Abstract: A memory device is provided. The memory device includes a bit cell having a first invertor connected between a first node and a second node and a second invertor connected between the first node and the second node. The first invertor and the second invertor are cross coupled at a first data node and a second data node. The memory device further includes a pull down circuit connected to the second node. The pull down circuit is operative to pull down a voltage of the second node below a ground voltage in response to an enable signal.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Inventors: Shigeki Shimomura, Jonathan Tsung-Yung Chang
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Patent number: 11675505Abstract: Various embodiments for configurable memory storage systems are disclosed. The configurable memory storages selectively choose an operational voltage signal from among multiple voltage signals to dynamically control various operational parameters. For example, the configurable memory storages selectively choose a maximum voltage signal from among the multiple voltage signals to maximize read/write speed. As another example, the configurable memory storages selectively choose a minimum voltage signal from among the multiple voltage signals to minimize power consumption.Type: GrantFiled: April 11, 2022Date of Patent: June 13, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Hao Hsu, Cheng Hung Lee, Chen-Lin Yang, Chiting Cheng, Fu-An Wu, Hung-Jen Liao, Jung-Ping Yang, Jonathan Tsung-Yung Chang, Wei Min Chan, Yen-Huei Chen, Yangsyu Lin, Chien-Chen Lin
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Publication number: 20230170281Abstract: An integrated circuit (IC) package includes a logic die, a substrate, a memory die positioned between the logic die and the substrate, and a power distribution structure configured to electrically couple the logic die to the substrate. The power distribution structure includes a plurality of conductive segments positioned between the logic die and the memory die, a plurality of bump structures positioned between the memory die and the substrate, and a plurality of through-silicon vias (TSVs) electrically coupled to the plurality of conductive segments and the plurality of bump structures, and a TSV of the plurality of TSVs extends through, and is electrically isolated from, a memory macro of the memory die.Type: ApplicationFiled: January 12, 2023Publication date: June 1, 2023Inventors: Hidehiro FUJIWARA, Tze-Chiang HUANG, Hong-Chen CHENG, Yen-Huei CHEN, Hung-Jen LIAO, Jonathan Tsung-Yung CHANG, Yun-Han LEE, Lee-Chung LU
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Publication number: 20230154507Abstract: A circuit includes a memory cell column coupled to a bit line pair and a write circuit that alternately biases a first end of the bit lines toward power supply and reference voltage levels in a write operation. Each of first and second switching circuits at second ends of the bit lines includes first and second logic circuits, each including an input terminal coupled to a corresponding bit line, and first and second switching devices, each including a gate coupled to the corresponding logic circuit. The first logic circuit and switching device couple the corresponding bit line to a power supply node simultaneously with the write circuit biasing the corresponding bit line toward the power supply voltage level, and the second logic circuit and switching device couple the corresponding bit line to a reference node simultaneously with the write circuit biasing the corresponding bit line toward the reference voltage level.Type: ApplicationFiled: January 12, 2023Publication date: May 18, 2023Inventors: Shang-Chi WU, Yangsyu LIN, Chiting CHENG, Jonathan Tsung-Yung CHANG, Mahmut SINANGIL
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Patent number: 11651804Abstract: A memory macro includes a first memory cell array, a first tracking circuit, a first and a second transistor. The first memory cell array includes rows of memory cells and columns of memory cells. The first tracking circuit includes a first set of memory cells configured as a first set of loading cells responsive to a first control signal, a second set of memory cells configured as a first set of pull-down cells responsive to a second control signal, and a first tracking bit line coupled to the first and second set of memory cells. The first set of pull-down cells or loading cells is configured to track a memory cell of the first memory cell array. The first and second transistor are coupled to the first tracking bit line, and configured to charge the first tracking bit line to a pre-charge voltage level responsive to a tracking enable signal.Type: GrantFiled: June 1, 2021Date of Patent: May 16, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chien-Kuo Su, Chiting Cheng, Pankaj Aggarwal, Yen-Huei Chen, Cheng Hung Lee, Hung-Jen Liao, Jonathan Tsung-Yung Chang, Jhon Jhy Liaw
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Patent number: 11646079Abstract: Disclosed herein are related to a memory cell including one or more programmable resistors and a control transistor. In one aspect, a programmable resistor includes a gate structure and one or more source/drain structures for forming a transistor. A resistance of the programmable resistor may be set by applying a voltage to the gate structure, while the control transistor is enabled. Data stored by the programmable resistor can be read by sensing current through the programmable resistor, while the control transistor is disabled. In one aspect, the one or more programmable resistors and the control transistor are implemented by same type of components, allowing the memory cell to be formed in a compact manner through a simplified the fabrication process.Type: GrantFiled: June 3, 2021Date of Patent: May 9, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Der Chih, Maybe Chen, Yun-Sheng Chen, Wen Zhang Lin, Jonathan Tsung-Yung Chang, Chrong Jung Lin, Ya-Chin King, Hsin-Yuan Yu
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Publication number: 20230133360Abstract: Systems and methods for floating-point processors and methods for operating floating-point processors are provided. A floating-point processor includes a quantizer, a compute-in-memory device, and a decoder. The floating-processor is configured to receive an input array in which the values of the input array are represented in floating-point format. The floating-point processor may be configured to convert the floating-point numbers into integer format so that multiply-accumulate operations can be performed on the numbers. The multiply-accumulate operations generate partial sums, which are in integer format. The partial sums can be accumulated until a full sum is achieved, wherein the full sum can then be converted to floating-point format.Type: ApplicationFiled: May 26, 2022Publication date: May 4, 2023Inventors: Rawan Naous, Kerem Akarvardar, Mahmut Sinangil, Yu-Der Chih, Saman Adham, Nail Etkin Can Akkaya, Hidehiro Fujiwara, Yih Wang, Jonathan Tsung-Yung Chang
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Publication number: 20230134975Abstract: A memory device is provided. A first sub-block of the memory device includes first memory cells arranged in a first row and connected to a first bit line and second of memory cells arranged in a second row and connected to a first complementary bit line. The first memory cells and the second memory cells are connected to word lines in a first connection pattern. A second sub-block of the memory device includes third memory cells arranged in a third row and connected to a second bit line and fourth memory cells arranged in a fourth row and connected to a complementary second bit line. The third memory cells and the fourth memory cells are connected to the word lines in a second connection pattern that is different from the first connection pattern.Type: ApplicationFiled: March 2, 2022Publication date: May 4, 2023Inventors: Tzu-Hsien Yang, Chia-En Huang, Yih Wang, Jonathan Tsung-Yung Chang
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Publication number: 20230128141Abstract: Disclosed herein are related to an integrated circuit including a semiconductor layer. In one aspect, the semiconductor layer includes a first region, a second region, and a third region. The first region may include a circuit array, and the second region may include a set of interface circuits to operate the circuit array. A side of the first region may face a first side of the second region along a first direction. The third region may include a set of header circuits to provide power to the set of interface circuits through metal rails extending along a second direction. A side of the third region may face a second side of the second region along the second direction. In one aspect, the first side extending along the second direction is shorter than the second side extending along the first direction, and the metal rails are shorter than the first side.Type: ApplicationFiled: December 23, 2022Publication date: April 27, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Po-Sheng Wang, Yangsyu Lin, Kao-Cheng Lin, Cheng Hung Lee, Jonathan Tsung-Yung Chang
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Publication number: 20230121502Abstract: Systems and methods of generating a security key for an integrated circuit device include generating a plurality of key bits with a physically unclonable function (PUF) device. The PUF can include a random number generator that can create random bits. The random bits may be stored in a nonvolatile memory. The number of random bits stored in the nonvolatile memory allows for a plurality of challenge and response interactions to obtain a plurality of security keys from the PUF.Type: ApplicationFiled: December 9, 2022Publication date: April 20, 2023Inventors: Shih-Lien Linus Lu, Kun-hsi Li, Shih-Liang Wang, Jonathan Tsung-Yung Chang, Yu-Der Chih, Cheng-En Lee
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Patent number: 11600317Abstract: A memory device is provided. The memory device includes a bit cell having a first invertor connected between a first node and a second node and a second invertor connected between the first node and the second node. The first invertor and the second invertor are cross coupled at a first data node and a second data node. The memory device further includes a pull down circuit connected to the second node. The pull down circuit is operative to pull down a voltage of the second node below a ground voltage in response to an enable signal.Type: GrantFiled: May 27, 2021Date of Patent: March 7, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shigeki Shimomura, Jonathan Tsung-Yung Chang