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    • 4. 发明申请
    • Method of programming a monolithic three-dimensional memory
    • 编写单片三维存储器的方法
    • US20060067127A1
    • 2006-03-30
    • US10955049
    • 2004-09-30
    • Luca FasoliRoy ScheuerleinAlper IlkbaharEn-Hsing ChenTanmay Kumar
    • Luca FasoliRoy ScheuerleinAlper IlkbaharEn-Hsing ChenTanmay Kumar
    • G11C11/34G11C16/04
    • G11C16/12G11C16/16
    • A method of programming a monolithic three-dimensional (3-D) memory having a plurality of levels of memory cells above a silicon substrate is disclosed. The method includes initializing a program voltage and program time interval; selecting a memory cell to be programmed within the three-dimensional memory having the plurality of levels of memory cells; applying a pulse having the program voltage and the program time interval to the selected memory cell; performing a read after write operation with respect to the selected memory cell to determine a measured threshold voltage value; and comparing the measured threshold voltage value to a minimum program voltage. In response to the comparison between the measured threshold voltage value and the minimum program voltage, the method further includes selectively applying at least one subsequent program pulse to the selected memory cell.
    • 公开了一种在硅衬底上编程具有多层存储单元的单片三维(3-D)存储器的方法。 该方法包括初始化程序电压和程序时间间隔; 选择要在具有多个级别的存储器单元的三维存储器内编程的存储器单元; 将具有编程电压和程序时间间隔的脉冲施加到所选存储单元; 在对所选择的存储单元进行写操作之后执行读取以确定测量的阈值电压值; 以及将所测量的阈值电压值与最小编程电压进行比较。 响应于测量的阈值电压值和最小编程电压之间的比较,该方法还包括选择性地将至少一个后续编程脉冲施加到所选存储单元。
    • 10. 发明授权
    • Predriver logic circuit
    • 前驱逻辑电路
    • US6043682A
    • 2000-03-28
    • US997223
    • 1997-12-23
    • Sanjay DabralDilip K. SampathAlper Ilkbahar
    • Sanjay DabralDilip K. SampathAlper Ilkbahar
    • H03K19/003H03K19/0175H03K19/094
    • H03K19/00361
    • A buffer for enabling a signal to be applied to a bus. The buffer includes a first transistor coupled to a bus and a voltage supply. The logic buffer includes a first logic circuit which has an input coupled to receive a data signal and adapted to charge a terminal of the transistor at a first rate in response to a transition in the data signal. A second logic circuit charges the terminal at a faster rate during an initial transition period, until a first preselected condition is met. The buffer also includes a third logic circuit to charge the terminal at a second faster rate during a final transition period, after a second preselected condition is met. A method for controlling a voltage level of a signal applied to a terminal of a transistor includes charging the terminal at a fast rate until a first preselected condition is met. The terminal is then charged at a slower rate, until a second preselected condition is met, at which time the terminal is charged at a second fast rate, which is also greater than the slower rate.
    • 用于使信号施加到总线的缓冲器。 缓冲器包括耦合到总线的第一晶体管和电压源。 逻辑缓冲器包括第一逻辑电路,其具有耦合以接收数据信号的输入,并且适于响应于数据信号中的转变以第一速率对晶体管的端子充电。 第二逻辑电路在初始过渡期间以更快的速率对终端充电,直到满足第一预选条件。 缓冲器还包括第三逻辑电路,以在满足第二预选条件之后,在最后的过渡期期间以更快的速率对终端充电。 用于控制施加到晶体管的端子的信号的电压电平的方法包括以快速的速率对端子充电直到满足第一预选条件。 然后以较慢的速率对终端进行充电,直到满足第二预选条件,此时终端以第二快速率充电,其也大于较慢速率。