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    • 4. 发明申请
    • NONVOLATILE MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME
    • 非易失性存储器件和包括其的存储器系统
    • US20130170297A1
    • 2013-07-04
    • US13619118
    • 2012-09-14
    • Sang-Wan NAMKyung-Hwa KANGJunghoon PARK
    • Sang-Wan NAMKyung-Hwa KANGJunghoon PARK
    • G11C16/04
    • G11C16/04G11C16/0483G11C16/08G11C16/10H01L27/115H01L27/11582
    • According to example embodiments, a nonvolatile memory device includes a first and a second NAND string. The first NAND string includes a first string selection transistor, a first local ground and a first global ground selection transistor, and first memory cells stacked in a direction perpendicular to a substrate. The second NAND string includes a second string selection transistor, a second local ground and a second global ground selection transistor, and second memory cells stacked in the direction perpendicular to the substrate. The device includes a selection line driver including path transistors configured to select and provide at least one operation voltage to the first and second string selection transistors, the first and second local and global ground selection transistors. The first and second string selection transistors are electrically isolated from each other, and the first and second global ground selection transistors are electrically connected.
    • 根据示例性实施例,非易失性存储器件包括第一和第二NAND串。 第一NAND串包括第一串选择晶体管,第一局部地和第一全局接地选择晶体管,以及沿垂直于衬底的方向堆叠的第一存储单元。 第二NAND串包括第二串选择晶体管,第二局部地和第二全局接地选择晶体管,以及沿与基板垂直的方向堆叠的第二存储单元。 该器件包括选择线驱动器,其包括被配置为选择并向第一和第二串选择晶体管,第一和第二局部和全局地选择晶体管提供至少一个操作电压的路径晶体管。 第一和第二串选择晶体管彼此电绝缘,并且第一和第二全局接地选择晶体管电连接。