Nonvolatile semiconductor memory
    1.
    发明授权
    Nonvolatile semiconductor memory 有权
    非易失性半导体存储器

    公开(公告)号:US08223543B2

    公开(公告)日:2012-07-17

    申请号:US13193968

    申请日:2011-07-29

    IPC分类号: G11C16/04

    摘要: A memory includes first and second select gate transistors, memory cells, a source line, a bit line, a selected word line which is connected to a selected memory cell as a target of a verify reading, a non-selected word line which is connected to a non-selected memory cell except the selected memory cell, a potential generating circuit for generating a selected read potential which is supplied to the selected word line, and generating a non-selected read potential larger than the selected read potential, which is supplied to the non-selected word line, and a control circuit which classifies a threshold voltage of the selected memory cell to one of three groups by verifying which area among three area which are isolated by two values does a cell current of the selected memory cell belong, when the selected read potential is a first value.

    摘要翻译: 存储器包括第一和第二选择栅极晶体管,存储器单元,源极线,位线,连接到作为验证读取的目标的所选存储单元的选定字线,连接的未选择字线 到除所选存储单元之外的未选择的存储单元,用于产生提供给所选择的字线的所选择的读取电位并产生大于所选择的读取电位的未被选择的读取电位的电位产生电路, 以及控制电路,其通过验证被选择的存储器单元的单元电流属于两个值隔离的三个区域中的哪个区域属于三个组中的一个,将选择的存储单元的阈值电压分类为三个组中的一个 当所选择的读取电位为第一值时。

    Semiconductor memory device
    2.
    发明授权
    Semiconductor memory device 失效
    半导体存储器件

    公开(公告)号:US08036038B2

    公开(公告)日:2011-10-11

    申请号:US12951616

    申请日:2010-11-22

    IPC分类号: G11C11/34

    摘要: A semiconductor memory device includes a memory cell array including a plurality of blocks each including a memory cell unit, and a selection transistor which selects the memory cell unit, and a row decoder including a first block selector and a second block selector each of which includes a plurality of transfer transistors which are formed to correspond to the plurality of blocks and arranged adjacent to each other in a word-line direction wherein the diffusion layers are formed to oppose each other in the first block selector and the second block selector, and a width between the diffusion layers of the first block selector and the second block selector adjacent to each other in the word-line direction is made larger than a width between the diffusion layers in each of the first block selector and the second block selector adjacent to each other in the word-line direction.

    摘要翻译: 半导体存储器件包括存储单元阵列,其包括多个块,每个块包括存储单元单元和选择存储单元单元的选择晶体管;以及行解码器,包括第一块选择器和第二块选择器,每个块选择器包括 多个传输晶体管,其被形成为对应于多个块并且在字线方向上彼此相邻布置,其中扩散层在第一块选择器和第二块选择器中形成为彼此相对,并且 使第一块选择器的扩散层与字线方向上彼此相邻的第二块选择器之间的宽度大于与第一块选择器和第二块选择器相邻的第一块选择器和第二块选择器中的每一个中的扩散层之间的宽度 其他在字线方向。

    Nonvolatile semiconductor memory
    3.
    发明授权
    Nonvolatile semiconductor memory 有权
    非易失性半导体存储器

    公开(公告)号:US08009470B2

    公开(公告)日:2011-08-30

    申请号:US12563296

    申请日:2009-09-21

    IPC分类号: G11C16/04

    摘要: A memory includes first and second select gate transistors, memory cells, a source line, a bit line, a selected word line which is connected to a selected memory cell as a target of a verify reading, a non-selected word line which is connected to a non-selected memory cell except the selected memory cell, a potential generating circuit for generating a selected read potential which is supplied to the selected word line, and generating a non-selected read potential larger than the selected read potential, which is supplied to the non-selected word line, and a control circuit which classifies a threshold voltage of the selected memory cell to one of three groups by verifying which area among three area which are isolated by two values does a cell current of the selected memory cell belong, when the selected read potential is a first value.

    摘要翻译: 存储器包括第一和第二选择栅极晶体管,存储器单元,源极线,位线,连接到作为验证读取的目标的所选存储单元的选定字线,连接的未选择字线 到除所选存储单元之外的未选择的存储单元,用于产生提供给所选择的字线的所选择的读取电位并产生大于所选择的读取电位的未被选择的读取电位的电位产生电路, 以及控制电路,其通过验证被选择的存储器单元的单元电流属于两个值隔离的三个区域中的哪个区域属于三个组中的一个,将选择的存储单元的阈值电压分类为三个组中的一个 当所选择的读取电位为第一值时。

    Semiconductor memory device
    4.
    发明授权
    Semiconductor memory device 失效
    半导体存储器件

    公开(公告)号:US07859901B2

    公开(公告)日:2010-12-28

    申请号:US12329007

    申请日:2008-12-05

    IPC分类号: G11C11/34

    摘要: A semiconductor memory device includes a memory cell array including a plurality of blocks each including a memory cell unit, and a selection transistor which selects the memory cell unit, and a row decoder including a first block selector and a second block selector each of which includes a plurality of transfer transistors which are formed to correspond to the plurality of blocks and arranged adjacent to each other in a word-line direction wherein the diffusion layers are formed to oppose each other in the first block selector and the second block selector, and a width between the diffusion layers of the first block selector and the second block selector adjacent to each other in the word-line direction is made larger than a width between the diffusion layers in each of the first block selector and the second block selector adjacent to each other in the word-line direction.

    摘要翻译: 半导体存储器件包括存储单元阵列,其包括多个块,每个块包括存储单元单元和选择存储单元单元的选择晶体管;以及行解码器,包括第一块选择器和第二块选择器,每个块选择器包括 多个传输晶体管,其被形成为对应于多个块并且在字线方向上彼此相邻布置,其中扩散层在第一块选择器和第二块选择器中形成为彼此相对,并且 使第一块选择器的扩散层与字线方向上彼此相邻的第二块选择器之间的宽度大于与第一块选择器和第二块选择器相邻的第一块选择器和第二块选择器中的每一个中的扩散层之间的宽度 其他在字线方向。

    NONVOLATILE SEMICONDUCTOR MEMORY
    5.
    发明申请
    NONVOLATILE SEMICONDUCTOR MEMORY 有权
    非易失性半导体存储器

    公开(公告)号:US20100135078A1

    公开(公告)日:2010-06-03

    申请号:US12563296

    申请日:2009-09-21

    IPC分类号: G11C16/04 G11C7/10 G11C16/06

    摘要: A memory includes first and second select gate transistors, memory cells, a source line, a bit line, a selected word line which is connected to a selected memory cell as a target of a verify reading, a non-selected word line which is connected to a non-selected memory cell except the selected memory cell, a potential generating circuit for generating a selected read potential which is supplied to the selected word line, and generating a non-selected read potential larger than the selected read potential, which is supplied to the non-selected word line, and a control circuit which classifies a threshold voltage of the selected memory cell to one of three groups by verifying which area among three area which are isolated by two values does a cell current of the selected memory cell belong, when the selected read potential is a first value.

    摘要翻译: 存储器包括第一和第二选择栅极晶体管,存储器单元,源极线,位线,连接到作为验证读取的目标的所选存储单元的选定字线,连接的未选择字线 到除所选存储单元之外的未选择的存储单元,用于产生提供给所选择的字线的所选择的读取电位并产生大于所选择的读取电位的未被选择的读取电位的电位产生电路, 以及控制电路,其通过验证被选择的存储器单元的单元电流属于两个值隔离的三个区域中的哪个区域属于三个组中的一个,将选择的存储单元的阈值电压分类为三个组中的一个 当所选择的读取电位为第一值时。

    Nonvolatile semiconductor memory
    6.
    发明授权
    Nonvolatile semiconductor memory 有权
    非易失性半导体存储器

    公开(公告)号:US08477534B2

    公开(公告)日:2013-07-02

    申请号:US13490541

    申请日:2012-06-07

    IPC分类号: G11C16/04

    摘要: A memory includes first and second select gate transistors, memory cells, a source line, a bit line, a selected word line which is connected to a selected memory cell as a target of a verify reading, a non-selected word line which is connected to a non-selected memory cell except the selected memory cell, a potential generating circuit for generating a selected read potential which is supplied to the selected word line, and generating a non-selected read potential larger than the selected read potential, which is supplied to the non-selected word line, and a control circuit which classifies a threshold voltage of the selected memory cell to one of three groups by verifying which area among three area which are isolated by two values does a cell current of the selected memory cell belong, when the selected read potential is a first value.

    摘要翻译: 存储器包括第一和第二选择栅极晶体管,存储器单元,源极线,位线,连接到作为验证读取的目标的所选存储单元的选定字线,连接的未选择字线 到除所选存储单元之外的未选择的存储单元,用于产生提供给所选择的字线的所选择的读取电位并产生大于所选择的读取电位的未被选择的读取电位的电位产生电路, 以及控制电路,其通过验证被选择的存储器单元的单元电流属于两个值隔离的三个区域中的哪个区域属于三个组中的一个,将选择的存储单元的阈值电压分类为三个组中的一个 当所选择的读取电位为第一值时。

    SEMICONDUCTOR MEMORY DEVICE
    7.
    发明申请
    SEMICONDUCTOR MEMORY DEVICE 审中-公开
    半导体存储器件

    公开(公告)号:US20110310667A1

    公开(公告)日:2011-12-22

    申请号:US13219980

    申请日:2011-08-29

    IPC分类号: G11C16/04

    摘要: A semiconductor memory device includes a memory cell array including a plurality of blocks each including a memory cell unit, and a selection transistor which selects the memory cell unit, and a row decoder including a first block selector and a second block selector each of which includes a plurality of transfer transistors which are formed to correspond to the plurality of blocks and arranged adjacent to each other in a word-line direction wherein the diffusion layers are formed to oppose each other in the first block selector and the second block selector, and a width between the diffusion layers of the first block selector and the second block selector adjacent to each other in the word-line direction is made larger than a width between the diffusion layers in each of the first block selector and the second block selector adjacent to each other in the word-line direction.

    摘要翻译: 半导体存储器件包括存储单元阵列,其包括多个块,每个块包括存储单元单元和选择存储单元单元的选择晶体管;以及行解码器,包括第一块选择器和第二块选择器,每个块选择器包括 多个传输晶体管,其被形成为对应于多个块并且在字线方向上彼此相邻布置,其中扩散层在第一块选择器和第二块选择器中形成为彼此相对,并且 使第一块选择器的扩散层与字线方向上彼此相邻的第二块选择器之间的宽度大于与第一块选择器和第二块选择器相邻的第一块选择器和第二块选择器中的每一个中的扩散层之间的宽度 其他在字线方向。

    NONVOLATILE SEMICONDUCTOR MEMORY
    8.
    发明申请
    NONVOLATILE SEMICONDUCTOR MEMORY 有权
    非易失性半导体存储器

    公开(公告)号:US20110286268A1

    公开(公告)日:2011-11-24

    申请号:US13193968

    申请日:2011-07-29

    IPC分类号: G11C16/26 G11C16/04

    摘要: A memory includes first and second select gate transistors, memory cells, a source line, a bit line, a selected word line which is connected to a selected memory cell as a target of a verify reading, a non-selected word line which is connected to a non-selected memory cell except the selected memory cell, a potential generating circuit for generating a selected read potential which is supplied to the selected word line, and generating a non-selected read potential larger than the selected read potential, which is supplied to the non-selected word line, and a control circuit which classifies a threshold voltage of the selected memory cell to one of three groups by verifying which area among three area which are isolated by two values does a cell current of the selected memory cell belong, when the selected read potential is a first value.

    摘要翻译: 存储器包括第一和第二选择栅极晶体管,存储器单元,源极线,位线,连接到作为验证读取的目标的所选存储单元的选定字线,连接的未选择字线 到除所选存储单元之外的未选择的存储单元,用于产生提供给所选择的字线的所选择的读取电位并且产生大于所选择的读取电位的未被选择的读取电位的电位产生电路, 以及控制电路,其通过验证被选择的存储器单元的单元电流属于两个值隔离的三个区域中的哪个区域属于三个组中的一个,将选择的存储单元的阈值电压分类为三个组中的一个 当所选择的读取电位为第一值时。

    SEMICONDUCTOR MEMORY DEVICE
    9.
    发明申请
    SEMICONDUCTOR MEMORY DEVICE 失效
    半导体存储器件

    公开(公告)号:US20090185423A1

    公开(公告)日:2009-07-23

    申请号:US12329007

    申请日:2008-12-05

    IPC分类号: G11C16/04 G11C8/00

    摘要: A semiconductor memory device includes a memory cell array including a plurality of blocks each including a memory cell unit, and a selection transistor which selects the memory cell unit, and a row decoder including a first block selector and a second block selector each of which includes a plurality of transfer transistors which are formed to correspond to the plurality of blocks and arranged adjacent to each other in a word-line direction wherein the diffusion layers are formed to oppose each other in the first block selector and the second block selector, and a width between the diffusion layers of the first block selector and the second block selector adjacent to each other in the word-line direction is made larger than a width between the diffusion layers in each of the first block selector and the second block selector adjacent to each other in the word-line direction.

    摘要翻译: 半导体存储器件包括存储单元阵列,其包括多个块,每个块包括存储单元单元和选择存储单元单元的选择晶体管;以及行解码器,包括第一块选择器和第二块选择器,每个块选择器包括 多个传输晶体管,其被形成为对应于多个块并且在字线方向上彼此相邻布置,其中扩散层在第一块选择器和第二块选择器中形成为彼此相对,并且 使第一块选择器的扩散层与字线方向上彼此相邻的第二块选择器之间的宽度大于与第一块选择器和第二块选择器相邻的第一块选择器和第二块选择器中的每一个中的扩散层之间的宽度 其他在字线方向。

    SEMICONDUCTOR MEMORY DEVICE
    10.
    发明申请

    公开(公告)号:US20110063911A1

    公开(公告)日:2011-03-17

    申请号:US12951616

    申请日:2010-11-22

    IPC分类号: G11C16/04 G11C16/16

    摘要: A semiconductor memory device includes a memory cell array including a plurality of blocks each including a memory cell unit, and a selection transistor which selects the memory cell unit, and a row decoder including a first block selector and a second block selector each of which includes a plurality of transfer transistors which are formed to correspond to the plurality of blocks and arranged adjacent to each other in a word-line direction wherein the diffusion layers are formed to oppose each other in the first block selector and the second block selector, and a width between the diffusion layers of the first block selector and the second block selector adjacent to each other in the word-line direction is made larger than a width between the diffusion layers in each of the first block selector and the second block selector adjacent to each other in the word-line direction.