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    • 3. 发明授权
    • Method and apparatus for controlling two or more non-volatile memory devices
    • 用于控制两个或更多个非易失性存储器件的方法和装置
    • US07738297B2
    • 2010-06-15
    • US12036416
    • 2008-02-25
    • Oh Suk KwonSung Soo LeeDuck Kyeun Woo
    • Oh Suk KwonSung Soo LeeDuck Kyeun Woo
    • G11C16/04
    • G11C16/26G06F13/1647
    • A method and apparatus for controlling two or more non-volatile memory devices includes activating a read enable signal or a write enable signal, which is input to the first and second non-volatile memory devices, using a controller. A first chip enable signal is alternately activated for selecting the first non-volatile memory device and a second chip enable signal is activated for selecting the second non-volatile memory device using the controller. This is done while the read enable signal or the write enable signal is input to the first and second non-volatile memory devices being activated. Accordingly, even when the minimum cycle of the controller is longer than that of a memory device read/write time is reduced, thereby improving read/write performance.
    • 用于控制两个或多个非易失性存储器件的方法和装置包括使用控制器激活输入到第一和第二非易失性存储器件的读使能信号或写使能信号。 交替激活第一芯片使能信号以选择第一非易失性存储器件,并激活第二芯片使能信号,以使用控制器选择第二非易失性存储器件。 这是在将读取使能信号或写入使能信号输入到被激活的第一和第二非易失性存储器件时完成的。 因此,即使当控制器的最小周期长于存储器件的最小周期时,读/写时间也减少,从而提高读/写性能。
    • 8. 发明授权
    • Non-volatile semiconductor memory and programming method
    • 非易失性半导体存储器和编程方法
    • US07379351B2
    • 2008-05-27
    • US11471541
    • 2006-06-21
    • Oh Suk KwonDae Seok Byeon
    • Oh Suk KwonDae Seok Byeon
    • G11C7/00
    • G11C8/10G11C16/0483
    • In one aspect, a programming method is provided for a non-volatile semiconductor memory device which includes a plurality of electrically programmable and erasable memory cells, and transmission transistors for providing predetermined voltages to the memory cells. The method includes a primary programming process which includes providing a first program voltage to a selected memory cell to program the selected memory cell, a verify read process which includes reading the selected memory cell to verify a programmed status of the selected memory cell resulting from the primary programming process, and a secondary programming process which includes providing a second program voltage to the selected memory cell so as to reprogram the selected memory cell after the verify read process. During the verify read process, the transmission transistors are continuously gated by a boosted voltage generated during the primary programming process. The boosted voltage has a voltage level which is sufficient to provide the first and second program voltages to the memory cell.
    • 在一个方面,提供一种用于非易失性半导体存储器件的编程方法,该非易失性半导体存储器件包括多个电可编程和可擦除存储器单元,以及用于向存储器单元提供预定电压的传输晶体管。 该方法包括主编程过程,其包括向所选择的存储器单元提供第一编程电压以对所选择的存储器单元进行编程;验证读取处理,其包括读取所选择的存储器单元,以验证所选存储器单元的编程状态, 主编程处理和辅助编程处理,其包括向所选择的存储器单元提供第二编程电压,以便在验证读取处理之后重新编程所选择的存储器单元。 在验证读取过程期间,传输晶体管由主要编程过程中产生的升压电压连续选通。 升压电压具有足以向存储单元提供第一和第二编程电压的电压电平。
    • 9. 发明授权
    • Semiconductor memory device having flexible column redundancy scheme
    • 具有灵活的列冗余方案的半导体存储器件
    • US06967868B2
    • 2005-11-22
    • US10845314
    • 2004-05-14
    • In-Young KimJune LeeOh-Suk Kwon
    • In-Young KimJune LeeOh-Suk Kwon
    • G11C16/02G11C5/02G11C11/34G11C16/06G11C29/00
    • G11C29/846G11C29/781G11C2029/1802
    • A flash memory device may include: a plurality of main bit lines; a plurality of redundant bit lines; a plurality of first page buffers respectively organized as a plurality of first page buffer groups which are connected to main bit lines; a plurality of second page buffers respectively organized as a plurality of second page buffer groups which are connected to the redundant bit lines; each of the first and second page buffers including an output P/F terminal to provide pass/fail data; a plurality of fuses corresponding to the pluralities of the first and second page buffer groups, respectively, each of the fuses having one end commonly connected to the P/F terminals in a corresponding page buffer group and the other end connected to a signal line; and a pass/fail check circuit to determine an overall pass/fail signal based upon a signal on the signal line.
    • 闪存器件可以包括:多个主位线; 多个冗余位线; 分别组织成连接到主位线的多个第一页缓冲器组的多个第一页缓冲器; 多个第二页缓冲器分别被组织为连接到冗余位线的多个第二页缓冲器组; 第一和第二页缓冲器中的每一个包括用于提供通过/不合格数据的输出P / F端子; 分别对应于多个第一和第二寻呼缓冲器组的多个保险丝,每个保险丝的一端在对应的页缓冲器组中共同连接到P / F端子,另一端连接到信号线; 以及通过/失败检查电路,以基于信号线上的信号确定总体通过/失败信号。