Patents Examined by Sultana Begum
  • Patent number: 11721406
    Abstract: Methods and systems for testing memory systems are disclosed. A refresh rate for a test system including a number of memory devices may be controlled based on estimated power scenario of a memory system design. In response to performance of a number of refresh operations on the memory devices and based on the refresh rate, one or more conditions of the test system may be monitored to generate estimated performance data for the memory system design.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: August 8, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Won Ho Choi, Randall J. Rooney
  • Patent number: 11721411
    Abstract: A method for testing a memory chip includes: in response to read command for the memory chip, controlling clock signal to be kept in first state within first preset time period and at the same time controlling complementary clock signal to be kept in second state within first preset time period; in response to clock signal kept in the first state and complementary clock signal kept in the second state, keeping data strobe signal in the first state within second preset time period and at the same time keeping complementary data strobe signal in the second state within the second preset time period; and when the data strobe signal and the complementary data strobe signal are kept in first and second states respectively, controlling first and second driving modules connected respectively to data strobe terminal and complementary data strobe terminal to operate and measure first and second resistance values respectively.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: August 8, 2023
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Jinghong Xu, Yuan-Chieh Lee
  • Patent number: 11715504
    Abstract: There are provided a memory device for supporting a command bus training (CBT) mode and a method of operating the same. The memory device is configured to enter a CBT mode or exit from the CBT mode in response to a logic level of a first data signal, which is not included in second data signals, which are in one-to-one correspondence with command/address signals, which are used to output a CBT pattern in the CBT mode. The memory device is further configured to change a reference voltage value in accordance with a second reference voltage setting code received by terminals associated with the second data signals, to terminate the command/address signals or a pair of data clock signals to a resistance value corresponding to an on-die termination (ODT) code setting stored in a mode register, and to turn off ODT of data signals in the CBT mode.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: August 1, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-hun Kim, Si-hong Kim, Tae-young Oh, Kyung-soo Ha
  • Patent number: 11710511
    Abstract: A semiconductor device includes a memory mat having: a plurality of memory cells; a sense amplifier connected to a memory cell selected from the plurality of memory cells; a first power supply wiring; a first switch connected between the sense amplifier and the first power supply wiring and made an ON state in operating the sense amplifier; and a second switch connected to the sense amplifier and made an ON state in operating the sense amplifier, a second power supply wiring arranged outside the memory mat and connected to the first power supply wiring, a third power supply wiring arranged outside the memory mat and connected to the sense amplifier via the second switch, and a short switch arranged outside the memory mat and connected between the second and third power supply wirings. Here, in operating the sense amplifier, the short switch is made an ON state.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: July 25, 2023
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Tetsuo Fukushi, Hiroyuki Takahashi, Muneaki Matsushige
  • Patent number: 11710561
    Abstract: A device comprises one or more movable elements and one or more processors. The device is configured to receive a first movement assignment of a first type, receive tracking data from a motion tracking system configured to monitor a position of personnel in a vicinity of the device, plan a first motion for a first movable element of the one or more movable elements based on the first type of the first movement assignment and the tracking data, and execute the first motion.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: July 25, 2023
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Mahdi Azizian, Simon P. DiMaio, Jonathan M. Sorger
  • Patent number: 11705183
    Abstract: A memory circuit includes a plurality of word lines, a word line driver coupled to the plurality of word lines, and a booster circuit coupled to the plurality of word lines. The word line driver is configured to output a first word line signal on a first word line of the plurality of word lines, and the booster circuit includes a first node configured to carry a first power supply voltage and is configured to couple the first word line of the plurality of word lines to the first node responsive to a pulse signal and the first word line signal.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: July 18, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventor: Atul Katoch
  • Patent number: 11699485
    Abstract: Provided herein are a nonvolatile memory device and a method of programming the same. The nonvolatile memory device includes a memory cell array including a plurality of word lines having a first word line and a plurality of memory cells connected to the first word line. The plurality of memory cells includes a plurality of monitoring cells and a plurality of data cells each data cell configured to store N-bit data, N being a natural number. The nonvolatile memory device is configured to perform a first program on the plurality of data cells and a detection program different from the first program on the one or more monitoring cells after performing the first program.
    Type: Grant
    Filed: August 21, 2021
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-Sung Ahn, Youn-Soo Cheon
  • Patent number: 11694741
    Abstract: An internal voltage generation circuit includes an enable control circuit configured to generate a final enable signal by limiting an activation time point of an enable signal to a point in time after a reset time, after the enable signal is inactivated. The internal voltage generation circuit also includes a start-up control circuit configured to perform a reset operation during the reset time and generate a start-up signal based on the final enable signal, a reference voltage generation circuit configured to generate a reference voltage based on the start-up signal, a current generation circuit configured to generate a reference current based on the reference voltage, and a voltage generation circuit configured to generate an internal voltage based on the reference current.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: July 4, 2023
    Assignee: SK hynix Inc.
    Inventor: Chan Hui Jeong
  • Patent number: 11688478
    Abstract: A nonvolatile memory device includes a memory cell region and a peripheral circuit region. The memory cell region includes a memory block, and the peripheral circuit region includes a control circuit. The memory cell region includes a first metal pad. The peripheral circuit region includes a second metal pad and is vertically connected to the memory cell region by the first metal pad and the second metal pad. The memory block includes a plurality of memory cells disposed in a vertical direction. The control circuit determines whether a data erase characteristic for the memory block is degraded for each predetermined cycle of data erase operation, and performs a data erase operation by changing a level of a voltage applied to selection transistors for selecting the memory block as an erase target block when it is determined that the data erase characteristic is degraded.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-Jin Song, Hyun-Wook Park, Bong-Soon Lim, Do-Bin Kim
  • Patent number: 11682458
    Abstract: Memory devices might include a plurality of memory cell pairs each configured to be programmed to store a digit of data; and control circuitry configured to cause the memory device to compare the stored digit of data of each memory cell pair to a received digit of data, determine whether a match condition or a no-match condition is indicated between the stored digit of data of each memory cell pair and the received digit of data, and deem a match condition to be met between the received digit of data and the stored digits of data of the plurality of memory cell pairs in response to a match condition being determined for a majority of memory cell pairs of the plurality of memory cell pairs.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: June 20, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Luca De Santis, Tommaso Vali, Kenneth J. Eldredge, Vishal Sarin
  • Patent number: 11676643
    Abstract: The present technology relates to an electronic device. More specifically, the present technology relates to a memory device, a storage device, and a method of operating a memory controller. According to an embodiment, a memory device that outputs read data in response to a read enable signal provided from a memory controller includes a plurality of memory cells configured to store data, a plurality of page buffers configured to sense the data stored in the plurality of memory cells through a plurality of bit lines, and a data output controller configured to select a target page buffer to output data from among the plurality of page buffers according to a page buffer address control signal provided from the memory controller and control the selected target page buffer to output data stored in the selected target page buffer according to the read enable signal, while the read enable signal is input.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: June 13, 2023
    Assignee: SK hynix Inc.
    Inventors: Ie Ryung Park, Hyun Sub Kim, Dong Sop Lee
  • Patent number: 11669447
    Abstract: Methods, systems, and devices for modifying subsets of memory bank operating parameters are described. First global trimming information may be configured to adjust a first subset of operating parameters for a set of memory banks within a memory system. Second global trimming information may be configured to adjust a second subset of operating parameters for the set of memory banks. Local trimming information may be used to adjust one of the subsets of the operating parameters for a subset of the memory banks. To adjust one of the subsets of the operating parameters, the local trimming information may be combined with one of the first or second global trimming information to yield additional local trimming information that is used to adjust a corresponding subset of the operating parameters at the subset of the memory banks.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: June 6, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Christopher G. Wieduwilt, Alan J. Wilson
  • Patent number: 11662257
    Abstract: An apparatus comprising: a memristor; means for wirelessly receiving, from another apparatus, a time-varying signal; means for enabling, responsive to the received time-varying signal, provision of one or more pulses to the memristor to change an electrical characteristic of the memristor; means for wirelessly signalling to the other apparatus when the electrical characteristic of the memristor reaches a threshold value; and means for re-setting the electrical characteristic of the memristor.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: May 30, 2023
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Marijan Herceg, Tomislav Matic
  • Patent number: 11665878
    Abstract: A static random access memory (SRAM) structure is provided. The structure includes a plurality of SRAM bit cells on a substrate. Each SRAM bit cell includes at least six transistors including at least two NMOS transistors and at least two PMOS transistors. Each of the at least six transistors being lateral transistors with channels formed from nano-sheets grown by epitaxy. The at least six transistors positioned in two decks in which a second deck is positioned vertically above a first deck relative to a working surface of the substrate, wherein at least one NMOS transistor and at least one PMOS transistor share a common vertical gate. A first inverter formed using a first transistor positioned in the first deck and a second transistor positioned in the second deck. A second inverter formed using a third transistor positioned in the first deck and a fourth transistor positioned in the second deck. A pass gate is located in either the first deck or the second deck.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: May 30, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Daniel Chanemougame, Lars Liebmann, Jeffrey Smith
  • Patent number: 11636911
    Abstract: Methods, systems, and devices for leakage source detection are described. In some cases, a testing device may scan a first set of access lines of a memory die that have a first length and a second set of access lines of the memory die that have a second length different than the first length. The testing device may determine a first error rate associated with the first set of access lines and a second error rate associated with the second set of access lines. The testing device may categorize a performance of the memory die based on the first and second error rates. In some cases, the testing device may determine a third error rate associated with a type of error based on the first and second error rates and may categorize the performance of the memory die based on the third error rate.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: April 25, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Amitava Majumdar, Radhakrishna Kotti, Patrick Daniel White, Pavan Reddy K Aella, Rajesh Kamana
  • Patent number: 11631443
    Abstract: A semiconductor device including a memory device which has improved reliability is provided. The semiconductor device comprises at least one data pin configured to transfer a data signal, at least one command address pin configured to transfer a command and an address, at least one serial pin configured to transfer a serial data signal, and processing circuitry connected to the at least one data pin and the at least one serial pin. The processing circuitry is configured to receive the data signal from outside through the at least one data pin, and the processing circuitry is configured to output the serial data signal through the at least one serial pin in response to the received data signal.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: April 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Jun Yu, Nam Hyung Kim, Do-Han Kim, Min Su Kim, Deok Ho Seo, Won Jae Shin, Chang Min Lee, Il Gyu Jung, In Su Choi
  • Patent number: 11631452
    Abstract: A memory apparatus and an initialization method thereof are provided. The initialization method includes the following steps. A power-up operation is performed on the memory apparatus to provide an internal voltage to a memory array. After the internal voltage is stabilize, a refresh operation is performed on all storage cells.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: April 18, 2023
    Assignee: Winbond Electronics Corp.
    Inventor: Kuen-Huei Chang
  • Patent number: 11620505
    Abstract: A neuromorphic package device includes a systolic array package and a controller. The systolic array package includes neuromorphic chips arranged in a systolic array along a first direction and a second direction. The controller communicates with a host controls the neuromorphic chips. Each of the neuromorphic chips sequentially transfers weights of a plurality layers of a neural network system in the first direction to store the weights. A first neuromorphic chip performs a calculation based on stored weights therein and an input data received in the second direction, and provides a result of the calculation to at least one of a second neuromorphic chip and a third neuromorphic chip which are adjacent to the first neuromorphic chip. The at least one of the second and third neuromorphic chips performs a calculation based on a provided result of the calculation and stored weights therein.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaehun Jang, Hongrak Son, Changkyu Seol, Pilsang Yoon, Junghyun Hong
  • Patent number: 11621028
    Abstract: A memory may include multiple rows each coupled to multiple memory cells; a target row classification circuit suitable for classifying, as a target row, a row, among the multiple rows, that is susceptible to data loss as a result of activity of an adjacent row; and a target row signal generation circuit suitable for sequentially activating a target row active signal for activating the target row and a target row precharge signal for precharging the target row in response to a precharge command.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: April 4, 2023
    Assignee: SK hynix Inc.
    Inventor: Min Su Park
  • Patent number: 11621027
    Abstract: A magnetic memory device for storing and quickly retrieving data from an array of magnetic memory elements. The array includes a plurality of magnetic memory element such as magnetic tunnel junction elements arranged in rows and columns. A plurality of multiplexed bit lines is connected with a first end of each of the magnetic memory elements and plurality of multiplexed source lines are connected with a second end of each of the magnetic memory elements. The multiplexing allows source line current and/or bit line current to be applied to an individual column of memory elements in the array for quick retrieval of data in a Magnetic Random Access Memory (MRAM) system.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: April 4, 2023
    Assignee: Integrated Silicon Solution, (Cayman) Inc.
    Inventor: Adrian E. Ong