Semiconductor memory
    72.
    发明授权
    Semiconductor memory 有权
    半导体存储器

    公开(公告)号:US06819592B2

    公开(公告)日:2004-11-16

    申请号:US10108574

    申请日:2002-03-29

    IPC分类号: G11C1604

    摘要: A semiconductor memory including a memory cell unit, the memory cell unit comprising: a plurality of memory cells in which each conductance between current terminals changes according to held data, each having a plurality of current terminals connected in series between a first terminal and a second terminal, and each capable of electrically rewriting the data; a first select switching element electrically connecting said first terminal to a data transfer line; and a MISFET serving as a second select switching element connecting said second terminal to a reference potential line, wherein said semiconductor memory has a data read mode for forcing the first and second select switching elements of said memory cell unit into conduction, applying a read voltage for forcing a path between the current terminals into conduction or cut-off according to the data of a selected memory cell, to a control electrode of the selected memory cell, applying a pass voltage for forcing a path between the current terminals into conduction irrespectively of the data of each of the memory cells other than said selected memory cell, to the control electrode of each of the memory cells other than said selected memory cell, and detecting presence and absence or magnitude of a current between said data transfer line and said reference potential line, and in said data read mode, a conductance between current terminals of said MISFET is set lower than a conductance, in the case where the conductance between the current terminals is set to be the lowest, with regards to at least one of the memory cells other than said selected memory cell.

    摘要翻译: 一种包括存储单元单元的半导体存储器,所述存储单元单元包括:多个存储单元,其中当前端子之间的每个电导根据保持的数据而改变,每个存储单元具有串联连接在第一端子和第二端子之间的多个电流端子 终端,并且每个都能够电气地重写数据; 将所述第一端子电连接到数据传输线路的第一选择开关元件; 以及用作将所述第二端子连接到参考电位线的第二选择开关元件的MISFET,其中所述半导体存储器具有用于将所述存储单元单元的第一和第二选择开关元件强制为导通的数据读取模式,施加读取电压 用于根据所选择的存储单元的数据将当前端子之间的路径强制为导通或截止,到所选存储单元的控制电极,施加通过电压,以迫使当前端子之间的路径导通,而不管 除了所述选择的存储单元之外的每个存储单元的数据,还包括除了所选择的存储单元之外的每个存储单元的控制电极,以及检测所述数据传输线与所述参考电压之间的电流的存在和否定 电位线,并且在所述数据读取模式中,将所述MISFET的电流端子之间的电导设置为低于电导, 关于当前终端之间的电导被设置为最低的情况,关于除了所选择的存储单元之外的至少一个存储单元。

    Vertical memory cell string with dielectric in a portion of the body
    76.
    发明授权
    Vertical memory cell string with dielectric in a portion of the body 有权
    在身体的一部分具有电介质的垂直记忆单元格串

    公开(公告)号:US08921891B2

    公开(公告)日:2014-12-30

    申请号:US13592086

    申请日:2012-08-22

    IPC分类号: H01L21/336

    摘要: Some embodiments include a memory cell string having a body having a channel extending therein and in contact with a source/drain, a select gate adjacent to the body, a plurality of access lines adjacent to the body, and a dielectric in a portion of the body between the source/drain and a level corresponding to an end of the plurality of access lines most adjacent to the select gate. The dielectric in the portion of the body does not extend along an entire length of the body. Other embodiments are described and claimed.

    摘要翻译: 一些实施例包括具有主体的存储单元串,该主体具有在其中延伸并与源极/漏极接触的通道,与主体相邻的选择栅极,与主体相邻的多个访问线,以及在该部分中的电介质 源极/漏极与对应于与选择栅极最相邻的多条访问线路的端部相对应的电平。 身体部分中的电介质不会沿着身体的整个长度延伸。 描述和要求保护其他实施例。

    VERTICAL MEMORY CELL STRING WITH DIELECTRIC IN A PORTION OF THE BODY
    79.
    发明申请
    VERTICAL MEMORY CELL STRING WITH DIELECTRIC IN A PORTION OF THE BODY 有权
    垂直存储单元,具有介电体部分

    公开(公告)号:US20140054666A1

    公开(公告)日:2014-02-27

    申请号:US13592086

    申请日:2012-08-22

    IPC分类号: H01L29/788

    摘要: Some embodiments include a memory cell string having a body having a channel extending therein and in contact with a source/drain, a select gate adjacent to the body, a plurality of access lines adjacent to the body, and a dielectric in a portion of the body between the source/drain and a level corresponding to an end of the plurality of access lines most adjacent to the select gate. The dielectric in the portion of the body does not extend along an entire length of the body. Other embodiments are described and claimed.

    摘要翻译: 一些实施例包括具有主体的存储单元串,该主体具有在其中延伸并与源极/漏极接触的通道,与主体相邻的选择栅极,与主体相邻的多个访问线,以及在该部分中的电介质 源极/漏极与对应于与选择栅极最相邻的多条访问线路的端部相对应的电平。 身体部分中的电介质不会沿着身体的整个长度延伸。 描述和要求保护其他实施例。

    NAND with back biased operation
    80.
    发明授权
    NAND with back biased operation 有权
    NAND具有反向偏置运算

    公开(公告)号:US08493790B2

    公开(公告)日:2013-07-23

    申请号:US13308020

    申请日:2011-11-30

    IPC分类号: G11C16/04

    CPC分类号: G11C16/0483 G11C16/10

    摘要: Methods of programming, reading and erasing memory cells are disclosed. In at least one embodiment, program, sense, and erase operations in a memory are performed with back biased operation, such as to improve high voltage device isolation and cutoff in string drivers and bit line drivers, and no nodes of the circuitry are biased at zero volts.

    摘要翻译: 公开了编程,读取和擦除存储器单元的方法。 在至少一个实施例中,存储器中的程序,感测和擦除操作是通过反向偏置操作进行的,例如改进串驱动器和位线驱动器中的高电压器件隔离和截止,并且电路的任何节点都不偏 零伏。