Patents Examined by Mushfique Siddique
  • Patent number: 11972789
    Abstract: The present disclosure provides a counter circuit and a memory. The counter circuit includes: a counting circuit configured to output a count value when the count value exceeds a predetermined threshold; a decoding circuit coupled to the counting circuit, and configured to decode the count value to obtain decoding information corresponding to the count value, where the decoding information represents a numerical interval in which the count value is located; and a comparison circuit coupled to the decoding circuit, and configured to compare the decoding information with historical maximum decoding information and latch and output current maximum decoding information.
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: April 30, 2024
    Assignee: Changxin Memory Technologies, Inc.
    Inventors: Zequn Huang, Kai Sun
  • Patent number: 11972808
    Abstract: A memory apparatus and method of operation are provided. The apparatus includes memory cells connected to word lines and disposed in memory holes organized in rows grouped in strings and configured to retain a threshold voltage. The memory cells are connected in series between a drain-side select gate transistor on a drain-side of each of the memory holes and a source-side select gate transistor on a source-side of each of the memory holes. A control means determines whether a downshift recovery trigger event has occurred in memory operations. In response to determining the downshift recovery trigger event has occurred, the control means inserts at least one of a predetermined idle time in the memory operations and a recovery pulse of a negative voltage to the drain-side select gate transistor of the memory holes of the strings for a predetermined pulse period of time during one of the memory operations.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: April 30, 2024
    Assignee: SanDisk Technologies, LLC
    Inventors: Abhijith Prakash, Xiang Yang
  • Patent number: 11972796
    Abstract: A memory device according to an embodiment includes a first interconnect, a second interconnect, a first variable resistance member, a third interconnect, a second variable resistance member, a fourth interconnect, a fifth interconnect and a third variable resistance member. The first interconnect, the third interconnect and the fourth interconnect extend in a first direction. The second interconnect and the fifth interconnect extend in a second direction crossing the first direction. The first variable resistance member is connected between the first interconnect and the second interconnect. The second variable resistance member is connected between the second interconnect and the third interconnect. The third variable resistance member is connected between the fourth interconnect and the fifth interconnect. The fourth interconnect is insulated from the third interconnect.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 30, 2024
    Assignee: KIOXIA CORPORATION
    Inventors: Kikuko Sugimae, Yusuke Arayashiki
  • Patent number: 11967359
    Abstract: Methods, systems, and devices for varying a time average for feedback of a memory system are described. An apparatus may include a voltage supply, a memory array, and a regulator coupled with the voltage supply and memory array and configured to supply a first voltage received from the voltage supply to the memory array. The apparatus may also include a voltage sensor configured to measure a second voltage of the memory array and a digital feedback circuit coupled with the memory array and regulator and configured to generate feedback comprising information averaged over a duration based at least in part on the second voltage measured by the voltage sensor and to transmit an analog signal to the regulator based at least in part on the feedback.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: April 23, 2024
    Assignee: Micron Technology, Inc.
    Inventor: Fuad Badrieh
  • Patent number: 11967360
    Abstract: Various implementations described herein are directed to a method. The method may receive an address to access data stored in memory. The method may enable a data access pipeline to perform memory access operations so as to access the data stored in the memory based on the address. The method may dynamically adjust the data access pipeline during the memory access operations so as to output the data based on the address.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: April 23, 2024
    Assignee: Arm Limited
    Inventor: Edward Martin McCombs, Jr.
  • Patent number: 11955977
    Abstract: Embodiments of the disclosure are drawn to apparatuses and methods for lookahead duty cycle adjustment of a clock signal. Clock signals may be provided to a semiconductor device, such as a memory device, to synchronize one or more operations. A duty cycle adjuster (DCA) of the device may adjust the clock signal(s) based on a duty code determined during an initialization of the device. While the device is in operation, a lookahead DCA (LA DCA) may test a number of different adjustments to the clock signal(s), the results of which may be determined by a duty cycle monitor (DCM). The results of the DCM may be used to select one of the tested adjustments, which may be used to update the duty code.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: April 9, 2024
    Inventor: Dean D. Gans
  • Patent number: 11955197
    Abstract: A memory device comprising a cell field having memory cells, N bit lines, which are respectively connected to at least one of the memory cells of the cell field, N being a whole number greater than one, N sense amplifiers; a bit shift circuit, which has S switch element rows, S being a whole number greater than one and a row number in the range from zero to S?1 being assignable to each switch element row. Each switch element row includes at least one semiconductor switch element connected to one of the bit lines and one of the sense amplifiers. Switch elements of each row connect all bit lines, whose bit line number is smaller than or equal to N minus the row number, to sense amplifiers, so that the respective sense amplifier number is equal to the respective bit line number plus the row number.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: April 9, 2024
    Assignee: ROBERT BOSCH GMBH
    Inventors: Andre Guntoro, Chirag Sudarshan, Christian Weis, Leonardo Luiz Ecco, Taha Ibrahim Ibrahim Soliman, Norbert Wehn
  • Patent number: 11948624
    Abstract: A column in a memory array includes one bit cell circuit in each row for storing information about the row. The bit cell circuits store data in a data node and a complement data node in a cross-coupled inverter circuit. Toggling the nodes in a cross-coupled inverter includes discharging a charged node in contention with a charge current provided in the cross-coupled inverter circuit. The column circuit includes a first voltage supply circuit to decouple the cross-coupled inverter circuits from a first voltage rail to cut off charging current in response to a column set signal in a column set operation. The cross-coupled inverters of the bit cell circuits in the column circuit are coupled to a first voltage supply line. The column set input controls the first voltage supply circuit to decouple the first voltage supply line from a first voltage rail.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: April 2, 2024
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sai Prakash Reddy Bijivemula, Rajesh Kumar
  • Patent number: 11942139
    Abstract: The present disclosure includes apparatuses, methods, and systems for performing refresh operations on memory cells. An embodiment includes a memory having a group of memory cells and one or more additional memory cells whose data state is indicative of whether to refresh the group of memory cells, and circuitry configured to apply a first voltage pulse to the group of memory cells to sense a data state of the memory cells of the group, apply, while the first voltage pulse is applied to the group of memory cells, a second voltage pulse having a greater magnitude than the first voltage pulse to the one or more additional memory cells to sense a data state of the one or more additional memory cells, and determine whether to perform a refresh operation on the group of memory cells based on the sensed data state of the one or more additional memory cells.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: March 26, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Karthik Sarpatwari, Lingming Yang, Nevil N. Gajera, John Christopher M. Sancon
  • Patent number: 11942142
    Abstract: Memory subword driver circuits with common transistors are disclosed. In some examples, a subword driver block of a memory device includes a plurality of subword drivers each having an output configured to be coupled to a word line coupled to a plurality of memory cells. The outputs of a first subword driver and a second subword driver of the plurality of subword drivers are coupled to a common transistor and a common word driver line, where the first subword driver and the second subword driver are respectively coupled to a first main word line and a second main word line. In such configuration, the first and second subword drivers are coupled in cascade connection so that, responsive to an active first main word line and an inactive common word driver line, a non-active potential is provided to the first subword driver from the second subword driver via the common transistor.
    Type: Grant
    Filed: September 12, 2022
    Date of Patent: March 26, 2024
    Assignee: Micron Technology, Inc.
    Inventor: Shinichi Miyatake
  • Patent number: 11935580
    Abstract: One implementation described herein is related to a device having memory with sense amplifiers and precharge blocks arranged in an array with a first side and a second side. The first side has first sense amplifiers and first precharge blocks coupled together with first bitlines, and the second side has second sense amplifiers and second precharge blocks coupled together with second bitlines. The device has a first delay block coupled to the first precharge blocks in the first side of the array, and the first delay block delays precharge of the first bitlines with a first precharge burst in a multi-burst precharge event. The device has a second delay block coupled to the second precharge blocks in the second side of the array, and the second delay block delays precharge of the second bitlines with a second precharge burst in the multi-burst precharge event.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: March 19, 2024
    Assignee: Arm Limited
    Inventors: Edward Martin McCombs, Jr., Hsin-Yu Chen
  • Patent number: 11935577
    Abstract: The present invention provides a physical layer and associated signal processing method for clock domain transfer of quarter-rate data. In the embodiments of the present invention, the quarter-rate data is processed by many sampling circuits by using a first clock signal, a second clock signal and a third clock signal, and phases of these clock signals are aligned by using a training mechanism to that the clock signals have better timing margins.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: March 19, 2024
    Assignee: Faraday Technology Corp.
    Inventors: Sridhar Cheruku, Sivaramakrishnan Subramanian, Hussainvali Shaik, Ko-Ching Chao
  • Patent number: 11935583
    Abstract: Some embodiments include an integrated assembly having a memory array over a base. First sense-amplifier-circuitry is associated with the base and includes sense amplifiers directly under the memory array. Vertically-extending digit lines are associated with the memory array and are coupled with the first sense-amplifier-circuitry. Second sense-amplifier-circuitry is associated with the base and is offset from the first sense-amplifier-circuitry. Control circuitry is configured to selectively couple the digit lines to either a voltage supply terminal or to the second sense-amplifier-circuitry.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: March 19, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Yuan He, Beau D. Barry
  • Patent number: 11935604
    Abstract: A variety of applications can include memory devices designed to provide stabilization of selector devices in a memory array of the memory device. A selector stabilizer pulse can be applied to a selector device of a string of the memory array and to a memory cell of multiple memory cells of the string with the memory cell being adjacent to the selector device in the string. The selector stabilizer pulse can be applied directly following an erase operation to the string to stabilize the threshold voltage of the selector device. The selector stabilizer pulse can be applied as part of the erase algorithm of the memory device. Additional devices, systems, and methods are discussed.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: March 19, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Avinash Rajagiri, Shinji Sato
  • Patent number: 11930720
    Abstract: The present disclosure provides a storage unit, a data writing method and a data reading method thereof, a memory and an electronic device. The storage unit includes a semiconductor substrate, a first insulating medium layer, a ferroelectric thin film layer, a bottom electrode, a tunnel junction, a first metal interconnection portion, a second metal interconnection portion, a third metal interconnection portion and a fourth metal interconnection portion. The first insulating medium layer is formed on the semiconductor substrate, the ferroelectric thin film layer is disposed on the first insulating medium layer, the bottom electrode is formed on the ferroelectric thin film layer, and the tunnel junction is formed on the bottom electrode. The first metal interconnection portion is connected to a first end of the bottom electrode, and the third metal interconnection portion is connected to a second end of the bottom electrode.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: March 12, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Meiyin Yang, Jun Luo, Yan Cui, Jing Xu
  • Patent number: 11923007
    Abstract: Methods, systems, and devices for dirty write on power off are described. In an example, the described techniques may include writing memory cells of a device according to one or more parameters (e.g., reset current amplitude), where each memory cell is associated with a storage element storing a value based on a material property associated with the storage element. Additionally, the described techniques may include identifying, after writing the memory cells, an indication of power down for the device and refreshing, before the power down of the device, a portion of the memory cells based on identifying the indication of the power down for the device. In some cases, refreshing includes modifying at least one of the one or more parameters for a write operation for the portion of the memory cells.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: March 5, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Karthik Sarpatwari, Fabio Pellizzer, Jessica Chen, Nevil Gajera
  • Patent number: 11922993
    Abstract: A device includes an array of memory cells with a first word line coupled to at least a subset of the array of memory cells and control logic coupled to the first word line. The control logic to detect, within a queue, a first read command to read first data from a first page of the subset and a second read command to read second data from a second page of the subset. The control logic is further to cause a voltage applied to the first word line to move to a target value. The control logic is further to cause a page buffer to sense the first data from a first bit line coupled to the first page and to sense the second data from a second bit line coupled to the second page. The control logic is further to cause the first word line to be discharged.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: March 5, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Koichi Kawai, Sundararajan Sankaranarayanan, Eric Nien-Heng Lee, Akira Goda
  • Patent number: 11915741
    Abstract: Apparatuses and methods are provided for logic/memory devices. An example apparatus comprises a plurality of memory components adjacent to and coupled to one another. A logic component is coupled to the plurality of memory components. At least one memory component comprises a memory device having an array of memory cells and sensing circuitry coupled to the array. The sensing circuitry includes a sense amplifier and a compute component. Timing circuitry is coupled to the array and sensing circuitry and configured to control timing of operations for the sensing circuitry. The logic component comprises control logic coupled to the timing circuitry. The control logic is configured to execute instructions to cause the sensing circuitry to perform the operations.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: February 27, 2024
    Inventor: Richard C. Murphy
  • Patent number: 11915749
    Abstract: A resistive memory device includes word lines, first memory cells, second memory cells, bit lines, source lines, and a driver. The driver provides a forming voltage to the first memory cells and the second memory cells through the bit lines and the source lines in a forming process. A first connection length along the bit lines and the source lines between the first memory cells and the driver is longer than a second connection length along the bit lines and the source lines between the second memory cells and the driver. The forming process is performed to the first memory cells before the forming process is performed to the second memory cells. A first value of the forming voltage provided to the first memory cells is less than a second value of the forming voltage provided to the second memory cells.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: February 27, 2024
    Assignee: eMemory Technology Inc.
    Inventor: I-Lang Lin
  • Patent number: 11915786
    Abstract: A memory device includes an array of memory cells, a plurality of bit lines, a current control circuit, and a discharge enable circuit. The array of memory cells includes a plurality of columns of memory cells. The plurality of bit lines are respectively coupled to the plurality of columns of memory cells. The current control circuit is coupled to the plurality of bit lines to control a discharge current in a discharge operation. The discharge enable circuit is coupled to the current control circuit to enable the discharge operation. The discharge operation discharges a charge on the plurality of bit lines.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: February 27, 2024
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventor: Liang Qiao