MULTIPLE LEVEL PROGRAM VERIFY IN A MEMORY DEVICE
    54.
    发明申请
    MULTIPLE LEVEL PROGRAM VERIFY IN A MEMORY DEVICE 有权
    存储器件中的多级程序验证

    公开(公告)号:US20100284219A1

    公开(公告)日:2010-11-11

    申请号:US12436955

    申请日:2009-05-07

    CPC classification number: G11C11/5628 G11C16/3454 G11C16/3459 G11C2211/5621

    Abstract: Methods for multiple level program verify, memory devices, and memory systems are disclosed. In one such method, a series of programming pulses are applied to a memory cell to be programmed. A program verify pulse, at an initial program verify voltage, is applied to the memory cell after each programming pulse. The initial program verify voltage is a verify voltage that has been increased by a quick charge loss voltage. The quick charge loss voltage is subtracted from the initial program verify voltage after either a programming pulse has reached a certain reference voltage or a quantity of programming pulses has reached a pulse count threshold.

    Abstract translation: 公开了用于多级程序验证,存储器件和存储器系统的方法。 在一种这样的方法中,一系列编程脉冲被施加到待编程的存储器单元。 在每个编程脉冲之后,在初始程序验证电压下将程序验证脉冲施加到存储单元。 初始程序验证电压是通过快速充电损耗电压增加的验证电压。 在编程脉冲达到某个参考电压或编程脉冲数达到脉冲计数阈值之后,从初始编程验证电压中减去快速充电损耗电压。

Patent Agency Ranking