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    • 2. 发明授权
    • Charge-trapping memory device and methods for its manufacturing and operation
    • 电荷捕获存储器件及其制造和操作的方法
    • US07349254B2
    • 2008-03-25
    • US11444289
    • 2006-05-31
    • Tholasampatti Subramanian Sudhindra Prasad
    • Tholasampatti Subramanian Sudhindra Prasad
    • G11C11/34
    • G11C16/3418G11C16/3427G11C16/3431
    • A charge-trapping memory device includes an array of non-volatile memory cells. The array has at least a first sector and a second sector. Each sector includes a multiplicity of memory cells. Each memory cell is adapted to trap an amount of charge indicative of a programming state. A control circuit is operationally connected to the array and is adapted to access a memory cell of the array by means of storing charge in or removing charge from the memory cell. A disturb detection circuit is operationally connected to the array or the control circuit and is adapted to detect a disturbance level of the first sector based on a disturbance caused by accessing at least one memory cell of the second sector. A disturb leveling circuit is operationally connected to the array and the disturb detection circuit and is adapted to backup the programming state of memory cells of the first sector if the detected disturbance level exceeds a predefined threshold.
    • 电荷捕获存储器件包括非易失性存储器单元阵列。 阵列至少具有第一扇区和第二扇区。 每个扇区包括多个存储单元。 每个存储器单元适于捕获指示编程状态的电荷量。 控制电路可操作地连接到阵列,并且适于通过存储电荷或从存储器单元中去除电荷来访问阵列的存储单元。 干扰检测电路可操作地连接到阵列或控制电路,并且适于基于由访问第二扇区的至少一个存储器单元而引起的干扰来检测第一扇区的干扰电平。 干扰均衡电路可操作地连接到阵列和干扰检测电路,并且如果检测到的干扰电平超过预定阈值,则适于备份第一扇区的存储器单元的编程状态。
    • 3. 发明申请
    • Charge-trapping memory device and methods for its manufacturing and operation
    • 电荷捕获存储器件及其制造和操作的方法
    • US20070280002A1
    • 2007-12-06
    • US11444289
    • 2006-05-31
    • Tholasampatti Subramanian Sudhindra Prasad
    • Tholasampatti Subramanian Sudhindra Prasad
    • G11C16/04
    • G11C16/3418G11C16/3427G11C16/3431
    • A charge-trapping memory device includes an array of non-volatile memory cells. The array has at least a first sector and a second sector. Each sector includes a multiplicity of memory cells. Each memory cell is adapted to trap an amount of charge indicative of a programming state. A control circuit is operationally connected to the array and is adapted to access a memory cell of the array by means of storing charge in or removing charge from the memory cell. A disturb detection circuit is operationally connected to the array or the control circuit and is adapted to detect a disturbance level of the first sector based on a disturbance caused by accessing at least one memory cell of the second sector. A disturb leveling circuit is operationally connected to the array and the disturb detection circuit and is adapted to backup the programming state of memory cells of the first sector if the detected disturbance level exceeds a predefined threshold.
    • 电荷捕获存储器件包括非易失性存储器单元阵列。 阵列至少具有第一扇区和第二扇区。 每个扇区包括多个存储单元。 每个存储器单元适于捕获指示编程状态的电荷量。 控制电路可操作地连接到阵列,并且适于通过存储电荷或从存储器单元中去除电荷来访问阵列的存储单元。 干扰检测电路可操作地连接到阵列或控制电路,并且适于基于由访问第二扇区的至少一个存储器单元而引起的干扰来检测第一扇区的干扰电平。 干扰均衡电路可操作地连接到阵列和干扰检测电路,并且如果检测到的干扰电平超过预定阈值,则其适于备份第一扇区的存储器单元的编程状态。
    • 7. 发明授权
    • Integrated circuits, memory controller, and memory modules
    • 集成电路,存储器控制器和存储器模块
    • US07636258B2
    • 2009-12-22
    • US11955278
    • 2007-12-12
    • Andreas KuxDetlev RichterGert KoebernickJuergen EngelhardtSudhindra Prasad
    • Andreas KuxDetlev RichterGert KoebernickJuergen EngelhardtSudhindra Prasad
    • G11C16/00
    • G11C16/349G11C16/10G11C16/16G11C16/3495
    • In accordance with embodiments of the invention, there are provided integrated circuits, memory controller, a method for determining a level for programming or erasing a memory segment, and a method for determining a wear level score for a memory segment. In an embodiment of the invention, a method for determining a level for programming or erasing a memory segment is provided, wherein a first level for programming or erasing a memory segment is determined as a function of an initial program/erase level. Furthermore, a first updated level is determined for a subsequent program/erase operation of the memory segment and a second level for programming or erasing the memory segment subsequent to programming or erasing the memory segment is determined using the first level, wherein the second level is determined as a function of the first updated level.
    • 根据本发明的实施例,提供了集成电路,存储器控制器,用于确定用于编程或擦除存储器段的电平的方法,以及用于确定存储器段的磨损等级得分的方法。 在本发明的实施例中,提供了一种用于确定用于编程或擦除存储器段的电平的方法,其中用于编程或擦除存储器段的第一电平被确定为初始编程/擦除电平的函数。 此外,对于存储器段的随后的编程/擦除操作确定第一更新级别,并且使用第一级确定用于在编程或擦除存储器段之后编程或擦除存储器段的第二级,其中第二级是 确定为第一更新水平的函数。