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    • 8. 发明申请
    • Bad Column Management with Bit Information in Non-Volatile Memory Systems
    • 在非易失性存储器系统中具有位信息的错误列管理
    • US20110002169A1
    • 2011-01-06
    • US12498220
    • 2009-07-06
    • Yan LiKwang-ho KimFrank W. TsaiAldo Bottelli
    • Yan LiKwang-ho KimFrank W. TsaiAldo Bottelli
    • G11C16/06G11C29/00G11C7/10G11C16/04
    • G11C29/00G11C16/10G11C29/808
    • Column based defect management techniques are presented. Each column of the memory has an associated isolation latch or register whose value indicates whether the column is defective, but in addition to this information, for columns marked as defective, additional information is used to indicate whether the column as a whole is to be treated as defective, or whether just individual bits of the column are defective. The defective elements can then be re-mapped to a redundant element at either the appropriate bit or column level based on the data. When a column is bad, but only on the bit level, the good bits can still be used for data, although this may be done at a penalty of under programming for some bits, as is described further below. A self contained Built In Self Test (BIST) flow constructed to collect the bit information through a set of column tests is also described. Based on this information, the bad bits can be extracted and re-grouped into bytes by the controller or on the memory to more efficiently use the column redundancy area.
    • 介绍了基于列的缺陷管理技术。 存储器的每一列都有一个相关联的隔离锁存器或寄存器,其值表示列是否有缺陷,但是除了该信息之外,对于标记为有缺陷的列,还使用附加信息来指示是否要对列进行整体处理 作为缺陷,或者列的单个位是否有缺陷。 然后,可以基于该数据将有缺陷的元素重新映射到适当位或列级的冗余元件。 当列是坏的但是仅在位电平时,好的位仍然可以用于数据,尽管这可以在对于某些位的编程的惩罚下完成,如下面进一步描述的。 还描述了通过一组列测试来构建的用于收集位信息的自建内置自检(BIST)流程。 基于该信息,可以通过控制器或存储器提取坏位并将其重新分组为字节,以更有效地使用列冗余区域。
    • 10. 发明授权
    • Phase locked loop and method thereof
    • 锁相环及其方法
    • US07711340B2
    • 2010-05-04
    • US11656472
    • 2007-01-23
    • Kwang-ho KimJe-kook Kim
    • Kwang-ho KimJe-kook Kim
    • H04B1/06H04Q7/20
    • H03L7/099H03L7/0891H03L7/10H03L7/18H03L2207/06
    • A phase locked loop and method thereof are provided. The example phase locked loop may include a loop filter filtering a charge pump output signal to generate a voltage signal and a voltage-controlled oscillator configured to operate in a given one of a plurality of frequency zones, the given frequency zone within which the voltage-controller oscillator is operating in being based on a voltage level of the voltage signal, the voltage-controlled oscillator outputting an oscillator signal at a frequency corresponding to the voltage level of the voltage signal output from the loop filter. The example method may include filtering a charge pump output signal to generate a voltage signal and outputting an oscillator signal at a frequency corresponding to a voltage level of the voltage signal, the frequency of the oscillator signal based on which of a plurality of frequency zones is currently selected, the currently selected frequency zone being selected based on the voltage level of the voltage signal.
    • 提供了一种锁相环及其方法。 示例性锁相环可以包括滤波电荷泵输出信号以产生电压信号的环路滤波器,以及被配置为在多个频率区域中给定的一个频率区域中工作的压控振荡器,该给定频率区域中的电压 - 控制振荡器基于电压信号的电压电平工作,压控振荡器以与从环路滤波器输出的电压信号的电压电平相对应的频率输出振荡器信号。 示例性方法可以包括过滤电荷泵输出信号以产生电压信号,并以与电压信号的电压电平对应的频率输出振荡器信号,基于多个频率区域中的哪个频率区域的振荡器信号的频率 当前选择的,当前选择的频率区域是基于电压信号的电压电平被选择的。