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    • 4. 发明授权
    • Multilayered nonvolatile memory with adaptive control
    • 具有自适应控制功能的多层非易失性存储器
    • US08144517B2
    • 2012-03-27
    • US12472033
    • 2009-05-26
    • Doo Gon KimKi Tae ParkMyoung Gon Kang
    • Doo Gon KimKi Tae ParkMyoung Gon Kang
    • G11C16/04
    • G11C11/5621G11C16/10G11C16/30G11C16/3454
    • A method and device for adaptive control of multilayered nonvolatile semiconductor memory are provided, the device including memory cells organized into groups and a control circuit having a look-up matrix for providing control parameters for each of the groups, where characteristics of each group are stored in the look-up matrix, and the control parameters for each group are responsive to the stored characteristics for that group; the method including organizing memory cells into groups, storing characteristics for each group in a look-up matrix, providing control parameters for each of the groups, where the control parameters for each group are responsive to its stored characteristics, and driving each memory cell in accordance with its provided control parameters.
    • 提供了一种用于多层非易失性半导体存储器的自适应控制的方法和装置,该装置包括组织成组的存储单元和具有查找矩阵的控制电路,用于为存储每个组的特性的组中的每个组提供控制参数 在查找矩阵中,并且每个组的控制参数响应于该组的存储特性; 所述方法包括将存储器单元组合成组,将查找矩阵中的每个组存储特性,为每个组提供控制参数,其中每个组的控制参数响应于其存储的特性,以及驱动每个存储单元 根据其提供的控制参数。
    • 5. 发明授权
    • Floating body semiconductor memory device and method of operating the same
    • 浮体半导体存储器件及其操作方法
    • US07539041B2
    • 2009-05-26
    • US11781331
    • 2007-07-23
    • Doo-Gon KimDuk-Ha ParkMyoung-Gon Kang
    • Doo-Gon KimDuk-Ha ParkMyoung-Gon Kang
    • G11C11/24
    • G11C11/4091G11C11/4094G11C2211/4016
    • A semiconductor memory device includes a memory cell array having first and second blocks, respectively including first and second memory cells with floating bodies. The first memory cell is connected between a first bit line and a source line, and the second memory cell is connected between a second bit line and the source line. A sense amplifier equalizes the sense bit line and the inverted sense bit line to be an equalization voltage during an equalization operation, pre-charges the sense bit line and the inverted sense bit line to first and second pre-charge voltages during a pre-charge operation, and amplifies a voltage difference between the sense bit line and the inverted sense bit line during read and write operations. The first pre-charge voltage is higher than the equalization voltage and the second pre-charge voltage is higher than the equalization voltage and lower than the first pre-charge voltage.
    • 半导体存储器件包括具有第一和第二块的存储单元阵列,分别包括具有浮体的第一和第二存储单元。 第一存储单元连接在第一位线和源极线之间,第二存储单元连接在第二位线和源极线之间。 在均衡操作期间,感测放大器将感测位线和反相感测位线均衡为均衡电压,在预充电期间将感测位线和反相检测位线预充电到第一和第二预充电电压 并且在读取和写入操作期间放大感测位线和反相感测位线之间的电压差。 第一预充电电压高于均衡电压,第二预充电电压高于均衡电压并低于第一预充电电压。
    • 6. 发明授权
    • Flash memory devices with memory cells strings including dummy transistors with selective threshold voltages
    • 具有存储单元串的闪存器件包括具有选择性阈值电压的虚拟晶体管
    • US08089811B2
    • 2012-01-03
    • US12580949
    • 2009-10-16
    • Myoung Gon KangKitae Park
    • Myoung Gon KangKitae Park
    • G11C11/34
    • G11C16/10G11C16/0483G11C16/24G11C16/3427H01L27/11521H01L27/11524
    • Flash memory devices include a first memory cell string including a plurality of serially-connected memory cells and first and second serially-connected dummy transistors configured to couple the serially-connected memory cells to a bit line and a second memory cell string including a plurality of serially-connected memory cells and first and second serially-connected dummy transistors configured to couple the serially-connected memory cells to the bit line. The first dummy memory cells of the first and second memory cell strings have gates connected in common to a first dummy word line and have different threshold voltages and the second dummy memory cells of the first and second memory cell strings have gates connected in common to a second dummy bit line and have different threshold voltages. In some embodiments, the first dummy memory cell of the first memory cell string and the second dummy memory cell of the second memory cell string may have threshold voltages greater than a predetermined voltage and the second dummy memory cell of the first memory cell string and the first dummy memory cell of the second memory cell string may have threshold voltages less than the predetermined voltage.
    • 闪速存储器件包括包括多个串联存储器单元的第一存储器单元串和被配置为将串联连接的存储单元耦合到位线的第一和第二串联虚拟晶体管,以及包括多个 串联连接的存储器单元和被配置为将串联连接的存储器单元耦合到位线的第一和第二串联连接的虚拟晶体管。 第一和第二存储单元串的第一虚拟存储单元具有共同连接到第一虚拟字线并具有不同阈值电压的栅极,并且第一和第二存储单元串的第二虚拟存储单元具有共同连接到 第二虚位线并具有不同的阈值电压。 在一些实施例中,第一存储单元串的第一虚拟存储单元和第二存储单元串的第二空存储单元可以具有大于预定电压的阈值电压,并且第一存储单元串的第二空存储单元和 第二存储单元串的第一虚拟存储单元可以具有小于预定电压的阈值电压。