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    • 2. 发明申请
    • Non-volatile semiconductor memory
    • 非易失性半导体存储器
    • US20060114724A1
    • 2006-06-01
    • US11000335
    • 2004-11-30
    • Stephan RiedelElard KamienskiNorbert Schulze
    • Stephan RiedelElard KamienskiNorbert Schulze
    • G11C16/04G11C11/34
    • H01L27/115G11C16/0466H01L27/1203
    • A non-volatile semiconductor memory includes a substrate having a substrate region, at least one word line, a plurality of non-volatile memory cells arranged in a plurality of sectors and further comprising first wells of a first doping type, electrically insulating elements and switching elements. Each sector comprises a plurality of non-volatile memory cells commonly arranged in a respective first well. The at least one word line electrically connecting memory cells of a group of sectors among the plurality of sectors. The first wells are separated from the substrate region and from each other by means of the electrically insulating elements. Each first well is connected to a respective switching element and the semiconductor memory is constructed such that each first well is biasable to a predetermined potential by means of the respective switching element. Further, a method is provided for operating the above non-volatile semiconductor memory.
    • 非挥发性半导体存储器包括具有衬底区域,至少一个字线,布置在多个扇区中的多个非易失性存储单元的衬底,并且还包括第一掺杂类型的第一阱,电绝缘元件和开关 元素。 每个扇区包括通常布置在相应的第一阱中的多个非易失性存储单元。 所述至少一个字线电连接所述多个扇区中的一组扇区的存储单元。 第一个阱通过电绝缘元件从衬底区域和彼此分离。 每个第一阱连接到相应的开关元件,并且半导体存储器被构造成使得每个第一阱通过相应的开关元件可偏置到预定电位。 此外,提供了用于操作上述非易失性半导体存储器的方法。