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    • 72. 发明申请
    • DUAL FUNCTION COMPATIBLE NON-VOLATILE MEMORY DEVICE
    • 双功能兼容的非易失性存储器件
    • US20110242906A1
    • 2011-10-06
    • US13159060
    • 2011-06-13
    • Jin-Ki KIM
    • Jin-Ki KIM
    • G11C7/00G11C5/14
    • G11C16/06G11C5/14G11C5/143G11C7/20G11C16/20
    • A dual function memory device architecture compatible with asynchronous operation and synchronous serial operation. The dual function memory device architecture includes one set of physical ports having two different functional assignments. Coupled between the physical ports and core circuits of the memory device are asynchronous and synchronous input and output signal paths or circuits. The signal paths include shared or dedicated buffers coupled to the ports, asynchronous and synchronous command decoders, a network of switches, and a mode detector. The mode detector determines the operating mode of the dual function memory device from a port, and provides the appropriate switch selection signal. The network of switches routes the input or output signals through the asynchronous or synchronous circuits in response to the switch selection signal. The appropriate command decoder interprets the input signals and provides common control logic with the necessary signals for initiating the corresponding operation.
    • 兼容异步操作和同步串行操作的双功能存储器件架构。 双功能存储设备架构包括具有两个不同功能分配的一组物理端口。 存储器件的物理端口和核心电路之间的耦合是异步和同步的输入和输出信号路径或电路。 信号路径包括耦合到端口的共享或专用缓冲器,异步和同步命令解码器,开关网络和模式检测器。 模式检测器从端口确定双功能存储器件的工作模式,并提供适当的开关选择信号。 开关网络响应于开关选择信号,通过异步或同步电路路由输入或输出信号。 适当的命令解码器解释输入信号,并提供公共控制逻辑与启动相应操作的必要信号。
    • 73. 发明申请
    • NAND FLASH MEMORY HAVING MULTIPLE CELL SUBSTRATES
    • 具有多个单元基板的NAND闪存
    • US20110170352A1
    • 2011-07-14
    • US13073150
    • 2011-03-28
    • Jin-Ki KIM
    • Jin-Ki KIM
    • G11C16/02
    • G11C16/3427G11C16/0483G11C16/16G11C16/26H01L27/11521H01L27/11524
    • A NAND flash memory bank having a plurality of bitlines of a memory array connected to a page buffer, where NAND cell strings connected to the same bitline are formed in at least two well sectors. At least one well sector can be selectively coupled to an erase voltage during an erase operation, such that unselected well sectors are inhibited from receiving the erase voltage. When the area of the well sectors decrease, a corresponding decrease in the capacitance of each well sector results. Accordingly, higher speed erasing of the NAND flash memory cells relative to a single well memory bank is obtained when the charge pump circuit drive capacity remains unchanged. Alternately, a constant erase speed corresponding to a single well memory bank is obtained by matching a well segment having a specific area to a charge pump with reduced drive capacity. A reduced drive capacity charge pump will occupy less semiconductor chip area, thereby reducing cost.
    • 具有连接到页缓冲器的存储器阵列的多个位线的NAND闪存库,其中连接到相同位线的NAND单元串形成在至少两个阱扇区中。 在擦除操作期间,至少一个阱区可以选择性地耦合到擦除电压,使得未选择的阱区被禁止接收擦除电压。 当井区的面积减小时,每个井区的电容相应减小。 因此,当电荷泵电路驱动能力保持不变时,可以获得NAND闪速存储单元相对于单个存储器组的更高速擦除。 或者,通过将具有特定面积的阱段与具有降低的驱动能力的电荷泵相匹配来获得对应于单阱存储器组的恒定擦除速度。 降低的驱动电容电荷泵将占用较少的半导体芯片面积,从而降低成本。
    • 76. 发明申请
    • COMPOSITE MEMORY HAVING A BRIDGING DEVICE FOR CONNECTING DISCRETE MEMORY DEVICES TO A SYSTEM
    • 具有用于将分离存储器件连接到系统的桥接装置的复合存储器
    • US20100091536A1
    • 2010-04-15
    • US12401963
    • 2009-03-11
    • Jin-Ki KIM
    • Jin-Ki KIM
    • G11C5/02G11C5/06
    • G11C7/00G11C5/02G11C5/025
    • A composite memory device including discrete memory devices and a bridge device for controlling the discrete memory devices in response to global memory control signals having a format or protocol that is incompatible with the memory devices. The discrete memory devices can be commercial off-the-shelf memory devices or custom memory devices which respond to native, or local memory control signals. The global and local memory control signals include commands and command signals each having different formats. The composite memory device includes a system in package including the semiconductor dies of the discrete memory devices and the bridge device, or can include a printed circuit board having packaged discrete memory devices and a packaged bridge device mounted thereto.
    • 一种复合存储器件,包括分立存储器件和用于响应具有与存储器件不兼容的格式或协议的全局存储器控制信号来控制分立存储器件的桥接器件。 分立存储器件可以是对现有或本地存储器控制信号进行响应的商业现成存储器件或定制存储器件。 全局和本地存储器控制信号包括各自具有不同格式的命令和命令信号。 复合存储器件包括包括分立存储器件和桥接器件的半导体管芯的封装的系统,或者可以包括具有封装的分立存储器件的印刷电路板和安装在其上的封装桥接器件。
    • 77. 发明申请
    • NAND FLASH MEMORY HAVING MULTIPLE CELL SUBSTRATES
    • 具有多个单元基板的NAND闪存
    • US20090175081A1
    • 2009-07-09
    • US12143285
    • 2008-06-20
    • Jin-Ki KIM
    • Jin-Ki KIM
    • G11C16/06
    • G11C16/3427G11C16/0483G11C16/16G11C16/26H01L27/11521H01L27/11524
    • A NAND flash memory bank having a plurality of bitlines of a memory array connected to a page buffer, where NAND cell strings connected to the same bitline are formed in at least two well sectors. At least one well sector can be selectively coupled to an erase voltage during an erase operation, such that unselected well sectors are inhibited from receiving the erase voltage. When the area of the well sectors decrease, a corresponding decrease in the capacitance of each well sector results. Accordingly, higher speed erasing of the NAND flash memory cells relative to a single well memory bank is obtained when the charge pump circuit drive capacity remains unchanged. Alternately, a constant erase speed corresponding to a single well memory bank is obtained by matching a well segment having a specific area to a charge pump with reduced drive capacity. A reduced drive capacity charge pump will occupy less semiconductor chip area, thereby reducing cost.
    • 具有连接到页缓冲器的存储器阵列的多个位线的NAND闪存库,其中连接到相同位线的NAND单元串形成在至少两个阱扇区中。 在擦除操作期间,至少一个阱区可以选择性地耦合到擦除电压,使得未选择的阱区被禁止接收擦除电压。 当井区的面积减小时,每个井区的电容相应减小。 因此,当电荷泵电路驱动能力保持不变时,可以获得NAND闪速存储单元相对于单个存储器组的更高速擦除。 或者,通过将具有特定面积的阱段与具有降低的驱动能力的电荷泵相匹配来获得对应于单阱存储器组的恒定擦除速度。 降低的驱动电容电荷泵将占用较少的半导体芯片面积,从而降低成本。