Patents Examined by Tan T. Nguyen
  • Patent number: 11646063
    Abstract: It is an object of the disclosed technique to provide a novel method and system for shared concurrent access to a memory cell. In accordance with the disclosed technique, there is thus provided a system for shared concurrent access to a memory cell, which includes at least one shared memory cell, an evaluator and a plurality of processing agents coupled to the input of the evaluator. The evaluator is further coupled with the at least one memory cell. The evaluator is configured to evaluate an expression for performing multiple concurrent composite assignments on the at least one shared memory cell. The evaluator further allows each of the plurality of processing agents to perform concurrent composite assignments on the at least one shared memory cell. The composite assignments do not include a read operation of the at least one shared memory cell by the plurality of processing agents.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: May 9, 2023
    Assignee: JERUSALEM COLLEGE OF TECHNOLOGY
    Inventors: Shimon Mizrahi, Raphael Berakhael Yehezkael, Ruben Attia, Erez Lax, Devora Berlowitz, Moshe Goldstein, David Dayan
  • Patent number: 11646284
    Abstract: Semiconductor devices, packaging architectures and associated methods are disclosed. In one embodiment, a semiconductor device is disclosed. The semiconductor device includes a first semiconductor die having a first bonding surface that is formed with a first set of contacts patterned with a first connection pitch. A second semiconductor die has a second bonding surface that is formed with a second set of contacts patterned with a second connection pitch. The second set of contacts are further patterned with a paired offset. The second semiconductor die is bonded to the first semiconductor die such that the first set of contacts is disposed in opposed electrical engagement with at least a portion of the second set of contacts.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: May 9, 2023
    Assignee: Rambus Inc.
    Inventors: Dongyun Lee, Ming Li
  • Patent number: 11646097
    Abstract: A memory device includes a data pad; a read circuit outputting read or test data to the data pad according to a read timing signal and a read command; a write circuit receiving write data through the data pad according to a write timing signal; a test register circuit performing a preset operation on data and storing the data, and transferring the stored data as the test data in response to the read command, during a first test mode; a data compression circuit generating a test output signal by compressing the test data and outputting the test output signal to a first test output pad, during the first test mode; and a timing control circuit generating, according to first to third output control signals, the read timing signal and generating the write timing signal by delaying the read timing signal, during the first test mode.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: May 9, 2023
    Assignee: SK hynix Inc.
    Inventors: Young Jun Park, Young Jun Ku, In Keun Kim, Sang Sic Yoon
  • Patent number: 11636901
    Abstract: A memory device includes a charge pump connected to a power supply voltage and including a plurality of stages to output an output voltage, a stage counter configured to output a count value that incrementally increases to a number of the stages, and a regulator configured to compare the output voltage with a reference output voltage of the charge pump that is generated using the incrementally increasing count value obtained by the stage counter, and to output a pump operation signal at a time when the reference output voltage becomes greater than or equal to the output voltage, wherein the charge pump operates in response to the pump operation signal.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bilal Ahmad Janjua, Sung Whan Seo
  • Patent number: 11636899
    Abstract: Provided herein may be a memory device capable of completing program operations for multiple pages in one ready/busy period. The memory device may include a plurality of memory cells configured to form a plurality of pages, a peripheral circuit configured to perform a first program operation and a second program operation and control logic configured to control the peripheral circuit to receive least significant bit (LSB) page data of a page adjacent to a selected page, center significant bit (CSB) page data, and most significant bit (MSB) page data of the selected page from a memory controller, and program the LSB page data of the page adjacent to the page adjacent to the selected page and to obtain LSB page data from the selected page, previously stored in the selected page, and program the LSB page data, the CSB page data and the MSB page data of the selected page to the selected page.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: April 25, 2023
    Assignee: SK hynix Inc.
    Inventors: Sung Hyun Hwang, Jin Haeng Lee
  • Patent number: 11631461
    Abstract: A three dimension memory device including a plurality of word lines, a plurality of first switches, a plurality of second switches and N conductive wire layers is provided, where N is a positive integer larger than 1. The word lines are divided into a plurality of word line groups. The first switches receive a common word line voltage. The second switches receive a reference ground voltage. A first word line group is connected to a first conductive wire layer through a second conductive wire layer. An ith word line group is connected to the first conductive wire layer through an (i+1)th to the second conductive wire layer in sequence.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: April 18, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventor: Teng-Hao Yeh
  • Patent number: 11621029
    Abstract: Several embodiments of memory devices and systems with selective page-based refresh are disclosed herein. In one embodiment, a memory device includes a controller operably coupled to a main memory having at least one memory region comprising a plurality of memory pages. The controller is configured to track, in one or more refresh schedule tables stored on the memory device and/or on a host device, a subset of memory pages in the plurality of memory pages configured to be refreshed according to a refresh schedule. In some embodiments, the controller is further configured to refresh the subset of memory pages in accordance with the refresh schedule.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 4, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Ameen D. Akel
  • Patent number: 11621037
    Abstract: Memories are provided. A memory includes a first memory array, a second memory array and a read circuit. The first memory array is configured to store first data. The second memory array is configured to store second data that is complementary to the first data. The read circuit includes a decoding circuit, a sensing circuit and an output buffer. The decoding circuit is configured to provide a first signal according to the first data and a second signal according to the second data in response to an address signal. The sensing circuit is configured to provide a first sensing signal according to a reference signal and the first signal, and a second sensing signal according to the reference signal and the second signal. The output buffer is configured to provide the first sensing signal or the second sensing signal as an output according to a control signal.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: April 4, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yuhsiang Chen, Shao-Yu Chou, Chun-Hao Chang, Min-Shin Wu, Yu-Der Chih
  • Patent number: 11616068
    Abstract: Methods, systems, and devices for deck selection layouts in a memory device are described. In some implementations, a tile of a memory array may be associated with a level above a substrate, and may include a set of memory cells, a set of digit lines, and a set of word lines. Selection transistors associated with a tile of memory cells may be operable for coupling digit lines of the tile with circuitry outside the tile, and may be activated by various configurations of one or more access lines, where the various configurations may be implemented to trade off or otherwise support design and performance characteristics such as power consumption, layout complexity, operational complexity, and other characteristics. Such techniques may be implemented for other aspects of tile operations, including memory cell shunting or equalization, tile selection using transistors of a different level, or signal development, or various combinations thereof.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: March 28, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Daniele Vimercati
  • Patent number: 11610628
    Abstract: A static random access memory (SRAM) includes a bit cell including a p-type pass gate, a bit information path connected to the bit cell by the p-type pass gate, and a read multiplexer connected to the bit information path. The read multiplexer includes an n-type transistor configured to selectively couple the bit information path to a sense amplifier.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: March 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Cheng Wu, Hung-Jen Liao, Ping-Wei Wang, Wei Min Chan, Yen-Huei Chen
  • Patent number: 11610630
    Abstract: A semiconductor memory device includes a memory cell unit, word lines, a driver circuit, and first transistors. The word lines are connected to the control gates of 0-th to N-th memory cells. The (N+1) number of first transistors transfer the voltage to the word lines respectively. Above one of the first transistors which transfers the voltage to an i-th (i is a natural number in the range of 0 to N) word line, M (M<N) of the word lines close to the i-th word line pass through a region above the gate electrode by a first level interconnection without passing over the impurity diffused layers.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: March 21, 2023
    Assignee: Kioxia Corporation
    Inventors: Takatoshi Minamoto, Toshiki Hisada, Dai Nakamura
  • Patent number: 11605415
    Abstract: A first power-supply voltage is applied to I/O cells, an I/O cell connected to a clock terminal is initially set to a threshold of a second voltage signaling, an I/O cell connected to a command terminal and I/O cells connected to data terminals are initially set as an input, and when a clock control unit detects receipt of one clock pulse and a signal voltage control unit detects a host using the second voltage signaling, a signal voltage control unit drives the I/O cell of a first data terminal high level after a second power-supply voltage is applied to I/O cells and the threshold of a second voltage signaling is set to I/O cells of the clock, command and data terminals.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: March 14, 2023
    Assignee: KIOXIA CORPORATION
    Inventor: Akihisa Fujimoto
  • Patent number: 11605409
    Abstract: A magnetic domain device is provided in which a magnetic free layer (i.e., the storage layer) of a magnetic tunnel junction (MTJ) pillar is in close proximity to a conductive write line that is disposed beneath the MTJ pillar. The magnetic domain device further includes a pair of spaced apart bottom electrodes located beneath the conductive write line, and a top electrode located on the MTJ pillar. The magnetic domain device can be used in analog memories including multi-bit storage, analog memory for artificial intelligence (AI) applications.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: March 14, 2023
    Assignee: International Business Machines Corporation
    Inventors: Dimitri Houssameddine, Julien Frougier, Kangguo Cheng, Ruilong Xie
  • Patent number: 11605424
    Abstract: An in-memory compute (IMC) device includes a compute array having a first plurality of cells. The compute array is arranged as a plurality of rows of cells intersecting a plurality of columns of cells. Each cell of the first plurality of cells is identifiable by its corresponding row and column. The IMC device also includes a plurality of computation engines and a plurality of bias engines. Each computation engine is respectively formed in a different one of a second plurality of cells, wherein the second plurality of cells is formed from cells of the first plurality. Each computation engine is formed at a respective row and column intersection. Each bias engine of the plurality of bias engines is arranged to computationally combine an output from at least one of the plurality of computation engines with a respective bias value.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: March 14, 2023
    Assignee: STMicroelectronics International N.V.
    Inventors: Anuj Grover, Tanmoy Roy, Nitin Chawla
  • Patent number: 11600336
    Abstract: A nonvolatile memory device includes a memory cell array including memory cells and a page buffer circuit. The page buffer circuit includes page buffer units and cache latches. The cache latches are spaced apart from the page buffer units in a first horizontal direction, and correspond to respective ones of the plurality of page buffer units. Each of the page buffer units includes a pass transistor connected to each sensing node and driven in response to a pass control signal. The page buffer circuit being configured to perform a data transfer operation, based on performing a first data output operation to output data, provided from a first portion of page buffer units, from a first portion of cache latches to a data input/output (I/O) line, the data transfer operation configured to dump sensed data from a second portion of page buffer units to a second portion of cache latches.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsung Cho, Byungkwan Chun
  • Patent number: 11600323
    Abstract: An apparatus, system, and method for controlling data transfer to an output port of a serial data link interface in a semiconductor memory is disclosed. In one example, a flash memory device may have multiple serial data links, multiple memory banks and control input ports that enable the memory device to transfer the serial data to a serial data output port of the memory device. In another example, a flash memory device may have a single serial data link, a single memory bank, a serial data input port, a control input port for receiving output enable signals. The flash memory devices may be cascaded in a daisy-chain configuration using echo signal lines to serially communicate between memory devices.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: March 7, 2023
    Assignee: Mosaid Technologies Incorporated
    Inventors: HakJune Oh, Hong Beom Pyeon, Jin-Ki Kim
  • Patent number: 11588100
    Abstract: A magnetic memory device may include a perpendicular magnetic structure, an in-plane magnetic structure, a free magnetic pattern between the perpendicular magnetic structure and the in-plane magnetic structure, and a tunnel barrier pattern between the perpendicular magnetic structure and the free magnetic pattern. The perpendicular magnetic structure may include at least one pinned pattern which has a perpendicular magnetization direction that is pinned to a specific direction, and the free magnetic pattern may have a switchable perpendicular magnetization direction. The in-plane magnetic structure may include a first magnetic pattern and a second magnetic pattern, and each of the first and second magnetic patterns may have a different respective in-plane magnetization direction.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: February 21, 2023
    Inventors: Sung Chul Lee, Kwang Seok Kim, Jangeun Lee, Ung Hwan Pi
  • Patent number: 11574668
    Abstract: Apparatuses and methods are disclosed that include ferroelectric memory and for operating ferroelectric memory. An example apparatus includes a capacitor having a first plate, a second plate, and a ferroelectric dielectric material. The apparatus further includes a first digit line and a first selection component configured to couple the first plate to the first digit line, and also includes a second digit line and a second selection component configured to couple the second plate to the second digit line.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: February 7, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Scott J. Derner, Christopher J. Kawamura
  • Patent number: 11569219
    Abstract: According to one implementation of the present disclosure, an integrated circuit includes a memory macro unit, and one or more through silicon vias (TSVs) at least partially coupled through the memory macro unit. According to one implementation of the present disclosure, a computer-readable storage medium comprising instructions that, when executed by a processor, cause the processor to perform operations including: receiving a user input corresponding to dimensions of respective pitches of one or more through silicon vias (TSVs); determining whether dimensions of a memory macro unit is greater than a size threshold, wherein the size threshold corresponds to the received user input; and determining one or more through silicon via (TSV) positionings based on the determined dimensions of the memory macro unit.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: January 31, 2023
    Assignee: Arm Limited
    Inventors: Rahul Mathur, Xiaoqing Xu, Andy Wangkun Chen, Mudit Bhargava, Brian Tracy Cline, Saurabh Pijuskumar Sinha
  • Patent number: 11569250
    Abstract: A memory device includes metal interconnect structures embedded within dielectric material layers that overlie a top surface of a substrate, a thin film transistor embedded in a first dielectric material layer selected from the dielectric material layers, and is vertically spaced from the top surface of the substrate, and a ferroelectric memory cell embedded within the dielectric material layers. A first node of the ferroelectric memory cell is electrically connected to a node of the thin film transistor through a subset of the metal interconnect structures that is located above, and vertically spaced from, the top surface of the substrate.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: January 31, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Bo-Feng Young, Mauricio Manfrini, Sai-Hooi Yeong, Han-Jong Chia, Yu-Ming Lin