Nonvolatile memory device
    1.
    发明授权

    公开(公告)号:US11443817B2

    公开(公告)日:2022-09-13

    申请号:US17026713

    申请日:2020-09-21

    Abstract: A nonvolatile memory device includes processing circuitry configured to apply a sub-voltage to the first word lines, determine a desired first read voltage based on a threshold voltage distribution of a plurality of first memory cells connected to the first word lines, apply the sub-voltage to the second word lines, determine a desired second read voltage based on a threshold voltage distribution of a plurality of second memory cells connected to the second word lines, apply the desired first read voltage to the first word lines while simultaneously reading the first memory cells connected to the first word lines, and apply the desired second read voltage different from the desired first read voltage to the second word lines while simultaneously reading the second memory cells connected to the second word lines.

    Page buffer, memory device comprising page buffer, and related method of operation
    2.
    发明授权
    Page buffer, memory device comprising page buffer, and related method of operation 有权
    页面缓冲器,包括页面缓冲器的存储器件以及相关的操作方法

    公开(公告)号:US09007850B2

    公开(公告)日:2015-04-14

    申请号:US13718105

    申请日:2012-12-18

    CPC classification number: G11C11/24 G11C16/02 G11C16/10 G11C2216/14

    Abstract: A page buffer comprises a static latch configured to store data received from an external device, and a dynamic latch configured to receive the data stored in the static latch through a floating node, the dynamic latch comprising a storage capacitor, a write transistor configured to write the data of the floating node to the storage capacitor, and a read transistor configured to read the data of the storage capacitor, and the write transistor and the read transistor sharing the floating node.

    Abstract translation: 页面缓冲器包括被配置为存储从外部设备接收的数据的静态锁存器和配置成通过浮动节点接收存储在静态锁存器中的数据的动态锁存器,该动态锁存器包括存储电容器,写入晶体管被配置为写入 浮动节点到存储电容器的数据,以及被配置为读取存储电容器的数据的读取晶体管,以及共享浮动节点的写入晶体管和读取晶体管。

    Memory device and method of controlling ECC operation in the same

    公开(公告)号:US10684914B2

    公开(公告)日:2020-06-16

    申请号:US16121072

    申请日:2018-09-04

    Abstract: A memory cell array includes memory cells that are formed in vertical channels extended in a vertical direction with respect to a substrate. The vertical channels are arranged in a zigzag manner in parallel to the first direction. A read-write circuit is connected to the memory cells via bit lines. An address decoder decodes an address to provide decoded address signals to the read-write, circuit. The memory cells include outer cells and inner cells. A distance between one of the outer cells and a common source node is smaller than a distance between one of the inner cells and the common source node. Data of the memory cells are distributed among ECC sectors and a data input-output order of the memory cells is arranged such that each ECC sector has substantially the same number of the outer cells and the inner cells. Each ECC sector corresponds to an ECC operation unit.

    Nonvolatile memory device and method of operating the same

    公开(公告)号:US11594295B2

    公开(公告)日:2023-02-28

    申请号:US17580062

    申请日:2022-01-20

    Abstract: A nonvolatile memory device includes a memory block with an unused line connected to dummy cells and used lines connected to normal cells, and a controller which applies an erase voltage to the memory block, applies an unused line erase voltage to the unused line, and applies a word line erase voltage to the used lines during an erase operation. The dummy cells are not programmed during a program operation while the normal cells are programmed, the unused line erase voltage transits from a first voltage to a floating voltage at a first time point, and the controller reads the dummy cells and controls at least one of the magnitude of the first voltage and the first time point based on the result of reading the dummy cells.

    Memory device and method for reducing bad block test time

    公开(公告)号:US11348654B2

    公开(公告)日:2022-05-31

    申请号:US17010238

    申请日:2020-09-02

    Abstract: A test system includes a non-volatile memory device that includes a plurality of memory blocks operating in a multi-plane mode, and a test machine that detects a bad block of the non-volatile memory device. The non-volatile memory device generates a ready/busy signal which is based on whether an erase loop for detection of the bad block progresses. When at least one normal block is detected from the plurality of memory blocks included in planes operating in the multi-plane mode, the non-volatile memory device generates the ready/busy signal having a first busy interval. When all the memory blocks included in the planes operating in the multi-plane mode are detected as bad blocks, the non-volatile memory device generates the ready/busy signal having a second busy interval shorter than the first busy interval.

    Nonvolatile memory device and method of operating the same

    公开(公告)号:US11232845B2

    公开(公告)日:2022-01-25

    申请号:US17035188

    申请日:2020-09-28

    Abstract: A nonvolatile memory device includes a memory block with an unused line connected to dummy cells and used lines connected to normal cells, and a controller which applies an erase voltage to the memory block, applies an unused line erase voltage to the unused line, and applies a word line erase voltage to the used lines during an erase operation. The dummy cells are not programmed during a program operation while the normal cells are programmed, the unused line erase voltage transits from a first voltage to a floating voltage at a first time point, and the controller reads the dummy cells and controls at least one of the magnitude of the first voltage and the first time point based on the result of reading the dummy cells.

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