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    • 4. 发明授权
    • Controlled bit line discharge for channel erases in nonvolatile memory
    • 非易失性存储器中的通道擦除控制位线放电
    • US07808827B2
    • 2010-10-05
    • US11935717
    • 2007-11-06
    • Aaron LeeNian YangJiani Zhang
    • Aaron LeeNian YangJiani Zhang
    • G11C11/34
    • G11C16/0416G11C11/5635G11C16/16G11C16/24G11C16/3418G11C16/3427
    • Systems and/or methods that facilitate discharging bit lines (BL) associated with memory arrays in nonvolatile memory at a controlled rate are presented. A discharge component facilitates discharging the BL at a desired rate thus preventing the “hot switching” phenomenon from occurring within a y-decoder component(s) associated with the nonvolatile memory. The discharge component can be comprised of, in part, a discharge transistor component that controls the rate of BL discharge wherein the gate voltage of the discharge transistor component can be controlled by a discharge controller component. The rate of BL discharge can be determined by the size of discharge transistor component used in the design, the strength and/or size of the y-decoder component, the number of erase errors that occur for a particular memory device, and/or other factors in order to facilitate preventing hot switching from occurring.
    • 提出了有助于以受控的速率放电与非易失性存储器中的存储器阵列相关联的位线(BL)的系统和/或方法。 放电元件有助于以期望的速率放电BL,从而防止在与非易失性存储器相关联的y解码器组件内发生“热切换”现象。 放电部件可以部分地由控制BL放电速率的放电晶体管部件组成,其中放电晶体管部件的栅极电压可以由放电控制器部件控制。 BL放电的速率可以由设计中使用的放电晶体管组件的大小,y解码器组件的强度和/或尺寸,特定存储器件发生的擦除错误的数量和/或其他 因素,以便于防止发生热切换。
    • 6. 发明申请
    • BITCELL CURRENT SENSE DEVICE AND METHOD THEREOF
    • BITCELL电流检测器件及其方法
    • US20090273998A1
    • 2009-11-05
    • US12114966
    • 2008-05-05
    • Hongtau MuNian YangFan Wan LaiGuowei Wang
    • Hongtau MuNian YangFan Wan LaiGuowei Wang
    • G11C7/06
    • G11C7/067G11C7/062G11C7/08G11C2207/063
    • A memory device includes a sense amplifier to sense the state of a bitcell. The sense amplifier includes two input terminals connected via a switch. One of the input terminals is connected to a node, whereby a current through the node represents a difference in current drawn by a bitcell and a reference current. During a first phase, the switch between the input terminals of the sense amplifier is closed, so that a common voltage is applied to both input terminals. During a second phase, the switch is opened, and the sense amplifier senses a state of information stored at the bitcell based on the current through the node. By using the switch to connect and disconnect the inputs of the sense amplifier in the two phases, the accuracy and speed with which the state of the information stored at the bitcell can be determined is improved.
    • 存储器件包括用于感测位单元的状态的读出放大器。 读出放大器包括通过开关连接的两个输入端。 一个输入端子连接到一个节点,由此通过该节点的电流表示由位单元和参考电流所画出的电流差。 在第一阶段期间,读出放大器的输入端之间的开关闭合,使得两个输入端施加公共电压。 在第二阶段期间,开关被打开,并且感测放大器基于通过节点的电流来感测存储在位单元的信息的状态。 通过使用开关来连接和断开两相中的读出放大器的输入,可以确定存储在位单元中的信息的状态的精度和速度。
    • 7. 发明申请
    • DECODING SYSTEM CAPABLE OF CHARGING PROTECTION FOR FLASH MEMORY DEVICES
    • 适用于闪存存储器件充电保护的解码系统
    • US20090206386A1
    • 2009-08-20
    • US12034316
    • 2008-02-20
    • Nian YangJoon-Heong OngJiani Zhang
    • Nian YangJoon-Heong OngJiani Zhang
    • H01L27/115H01L21/8247
    • H01L27/11573H01L27/11565H01L2924/0002H01L2924/00
    • One embodiment of the present invention relates to a flash memory array. The flash memory array comprises at least two word lines of gate electrode material. At least one of the word lines is connected through a first metal level to a discharge circuit, while other word line(s) may connect to a discharge circuit through a first and second metal level. The memory array further comprises a shorting path between the word lines of the memory array. The shorting path is a high resistance layer of undoped gate electrode material. The resistance value of the gate electrode material is such that the word lines can be used to read, write, or erase without effecting each other, but that during the formation of a first metal level, as charges will build up on a first word line which requires a second metal level to connect to its discharge junction circuit, it will short the first word line to an adjacent second word line that has a connection to its junction circuit on the first metal level. Other methods and circuits are also disclosed.
    • 本发明的一个实施例涉及闪存阵列。 闪存阵列包括栅电极材料的至少两个字线。 至少一个字线通过第一金属电平连接到放电电路,而其它字线可以通过第一和第二金属电平连接到放电电路。 存储器阵列还包括存储器阵列的字线之间的短路。 短路路径是未掺杂的栅电极材料的高电阻层。 栅极材料的电阻值使得字线可以用于读取,写入或擦除而不会彼此影响,但是在形成第一金属电平期间,由于电荷将在第一字线上积累 这要求第二金属电平连接到其放电结电路,它将使第一字线缩短到与第一金属电平上的结电路连接的相邻第二字线。 还公开了其它方法和电路。