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    • 9. 发明申请
    • METHOD OF OPERATING NONVOLATILE MEMORY DEVICE
    • 操作非易失性存储器件的方法
    • US20100284230A1
    • 2010-11-11
    • US12701877
    • 2010-02-08
    • Beom Ju Shin
    • Beom Ju Shin
    • G11C7/00
    • G11C16/24G11C16/0483G11C16/26
    • A method of operating a nonvolatile memory device includes supplying a variable voltage of a first voltage level to a selected page buffer and supplying the variable voltage to a first bit line, coupled to a selected memory cell selected for data reading, for a first time period, cutting off the supply of the variable voltage to the first bit line, after the first time period, and precharging the first bit line to a second voltage level through a sense node of the selected page buffer, which is in a precharge state, evaluating a voltage of the first bit line, after the precharging of the first bit line, so that the voltage of the first bit line is shifted according to a program state of the selected memory cell, and sensing the voltage of the evaluated first bit line and latching data in the selected memory cell.
    • 一种操作非易失性存储器件的方法包括:将第一电压电平的可变电压提供给所选择的页面缓冲器,并将可变电压提供给第一位线,该第一位线耦合到第一时间段中被选择用于数据读取的所选存储器单元 在第一时间段之后切断对第一位线的可变电压的供应,并且通过处于预充电状态的所选择的页面缓冲器的感测节点将第一位线预充电到第二电压电平,评估 第一位线的电压在第一位线的预充电之后,使得第一位线的电压根据所选存储单元的编程状态而偏移,并且感测所评估的第一位线的电压,以及 在所选存储单元中锁存数据。
    • 10. 发明授权
    • Method for masking ringing in DDR SDRAM
    • 屏蔽DDR SDRAM振铃的方法
    • US06862248B2
    • 2005-03-01
    • US10736824
    • 2003-12-16
    • Beom Ju Shin
    • Beom Ju Shin
    • G11C11/40G11C7/10G11C8/00
    • G11C7/1093G11C7/1078
    • A method for masking a ringing in a DDR SDRAM comprises in a write mode, generating first and second synchronizing signals by means of a DQS signal inputted from an exterior circuit, in order to synchronize input data, latching data in odd sequences from among the inputted data, which are sequentially inputted, at a rising edge of the first synchronizing signal, and latching data in even sequences from among the data, which are sequentially inputted, at a rising edge of the second synchronizing signal, aligning the data in odd sequences and the data in even sequences at a falling edge of the DQS signal so that the odd and even sequenced data has the same synchronized timing, and blocking activation of the second synchronizing signal by means of a first control signal, the a first control signal being synchronized with the falling edge of the last valid DQS signal that is normally inputted, so as to enable the blocking step and thereby masking the ringing phenomenon. In the method for masking the ringing phenomenon, the point at which the DIS_DSB signal is enabled in a low state is synchronized with the last falling edge of the normal DQS signal, and therefore the DSF2 signal is disabled.
    • 用于屏蔽DDR SDRAM中的振铃的方法包括在写入模式中,通过从外部电路输入的DQS信号产生第一和第二同步信号,以便同步输入数据,从输入的奇数序列中锁存数据 在第一同步信号的上升沿依次输入的数据,以及从顺序地输入的数据中的偶数序列中的数据锁存在第二同步信号的上升沿,以奇数序列对准数据, 在DQS信号的下降沿以均匀顺序的数据,使得奇数和偶校序数据具有相同的同步定时,以及借助于第一控制信号阻止第二同步信号的激活,第一控制信号被同步 通常输入最后一个有效的DQS信号的下降沿,以便能够进行阻塞步骤,从而掩盖振铃现象。 在屏蔽振铃现象的方法中,DIS_DSB信号在低电平状态下使能的点与正常DQS信号的最后一个下降沿同步,因此DSF2信号被禁止。