Read Performance of Memory Devices
    11.
    发明申请

    公开(公告)号:US20210342094A1

    公开(公告)日:2021-11-04

    申请号:US16863202

    申请日:2020-04-30

    Abstract: A memory controller managing a memory device receives a memory read command from a host device that is communicably coupled to the memory device. The memory device includes a storage memory comprising a first type of memory cells and a cache memory comprising a second type of memory cells. The memory controller determines, from the memory read command, a physical address of a target memory location in the storage memory indicated by the memory read command. The memory controller executes a read operation on the target memory location corresponding to the physical address. The memory controller determines a read attribute of the target memory location. Conditioned on determining that the read attribute satisfies one or more threshold conditions, the memory controller programs an entry in the cache memory with information corresponding to the target memory location.

    Managing block arrangement of super blocks

    公开(公告)号:US10915442B2

    公开(公告)日:2021-02-09

    申请号:US16572922

    申请日:2019-09-17

    Inventor: Ting-Yu Liu

    Abstract: Systems, methods, and apparatus including computer-readable mediums for managing block arrangement of super blocks in a memory such as NAND flash memory are provided. In one aspect, a memory controller for managing block arrangement of super blocks in a memory includes control circuitry coupled to the memory having at least two planes of physical blocks and configured to maintain block information of each individual physical block in the planes and select one or more physical blocks from the planes for a super block based on the block information of the physical blocks in the planes.

    CONTROLLER FOR A MEMORY SYSTEM
    13.
    发明申请

    公开(公告)号:US20180373655A1

    公开(公告)日:2018-12-27

    申请号:US15630075

    申请日:2017-06-22

    Inventor: Ting-Yu Liu

    Abstract: A controller for a memory system is disclosed. The controller includes logic configured to execute host requests and memory management operations. The memory management operations have a plurality of memory command cycles. The logic is configured to suspend the memory management operation upon completion of a memory command cycle in the plurality of memory command cycles before a final stage when a host read request is received during execution of the memory management operation, and configured to continue the memory management operation when a host request other than a read request is received during execution of the memory management operation.

    MEMORY SYSTEM AND METHOD FOR OPERATING THE SAME

    公开(公告)号:US20180165219A1

    公开(公告)日:2018-06-14

    申请号:US15375545

    申请日:2016-12-12

    Abstract: A request is received to load a particular overlay segment from a secondary storage memory to a main memory for execution by a processor, wherein the particular overlay segment is absent from the main memory. A determination is made whether the main memory can receive the particular overlay segment. In response to determining that the main memory cannot receive the particular overlay segment, eviction strategy information about one or more existing overlay segments that are present in the main memory is obtained. Based on the eviction strategy information, at least one of the one or more existing overlay segments is selected for eviction from the main memory. The particular overlay segment is retrieved from the secondary storage memory. The at least one of the one or more existing overlay segments in the main memory that is selected for eviction is replaced with the particular overlay segment.

    READ PERFORMANCE OF MEMORY DEVICES
    15.
    发明公开

    公开(公告)号:US20230214158A1

    公开(公告)日:2023-07-06

    申请号:US18175726

    申请日:2023-02-28

    Abstract: A memory controller managing a memory device receives a memory read command from a host device that is communicably coupled to the memory device. The memory device includes a storage memory comprising a first type of memory cells and a cache memory comprising a second type of memory cells. The memory controller determines, from the memory read command, a physical address of a target memory location in the storage memory indicated by the memory read command. The memory controller executes a read operation on the target memory location corresponding to the physical address. The memory controller determines a read attribute of the target memory location. Conditioned on determining that the read attribute satisfies one or more threshold conditions, the memory controller programs an entry in the cache memory with information corresponding to the target memory location.

    MEMORY DEVICE AND METHOD FOR ACCESSING MEMORY DEVICE WITH NAMESPACE MANAGEMENT

    公开(公告)号:US20230054801A1

    公开(公告)日:2023-02-23

    申请号:US17408177

    申请日:2021-08-20

    Abstract: The invention provides a memory device including a memory array, an internal memory, and a processor. The memory array stores node mapping tables for access data in the memory array. The internal memory includes a namespace table and an index table The processor obtains a data access command from a host device to determine whether a data of the data access command contains one of the NSIDs, assigns the at least one internal NSID to the data of the data access command according to the data access command in response to the data of the data access command that does not contain the namespace identifier, and, the processor manages the data with the internal NSID by the namespace table and the index table.

    Controller for a memory system
    17.
    发明授权

    公开(公告)号:US10521375B2

    公开(公告)日:2019-12-31

    申请号:US15630075

    申请日:2017-06-22

    Inventor: Ting-Yu Liu

    Abstract: A controller for a memory system is disclosed. The controller includes logic configured to execute host requests and memory management operations. The memory management operations have a plurality of memory command cycles. The logic is configured to suspend the memory management operation upon completion of a memory command cycle in the plurality of memory command cycles before a final stage when a host read request is received during execution of the memory management operation, and configured to continue the memory management operation when a host request other than a read request is received during execution of the memory management operation.

    Managing block arrangement of super blocks

    公开(公告)号:US10445230B2

    公开(公告)日:2019-10-15

    申请号:US15836476

    申请日:2017-12-08

    Inventor: Ting-Yu Liu

    Abstract: Systems, methods, and apparatus including computer-readable mediums for managing block arrangement of super blocks in a memory such as NAND flash memory are provided. In one aspect, a memory controller for managing block arrangement of super blocks in a memory includes control circuitry coupled to the memory having at least two planes of physical blocks and configured to maintain block information of each individual physical block in the planes and combine one or more physical blocks from the planes to a super block based on the block information of the physical blocks in the planes.

    Managing Data Arrangement in a Super Block
    19.
    发明申请

    公开(公告)号:US20190179698A1

    公开(公告)日:2019-06-13

    申请号:US15835859

    申请日:2017-12-08

    Abstract: Systems, methods, and apparatus including computer-readable mediums for managing data arrangement in a super block in a memory such as NAND flash memory are provided. In one aspect, a memory controller includes control circuitry coupled to the memory having at least two planes of physical blocks and configured to determine one or more characteristics of data to be written, allocate a super page of a super block based on the determined characteristics of the data and block information of the physical blocks of the planes, the super block combining one or more physical blocks from the planes, the super page combining one or more single pages from the corresponding one or more physical blocks in the super block, arrange the data to the one or more single pages in the super page, and program the super page to write the data in the one or more single pages.

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