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    • 1. 发明授权
    • Error tolerant flip-flops
    • 容错触发器
    • US08589775B2
    • 2013-11-19
    • US13047090
    • 2011-03-14
    • Georg GeorgakosMichael GoesselAnton Huber
    • Georg GeorgakosMichael GoesselAnton Huber
    • G06F11/00
    • G11C11/419G06F11/1032G11C2029/0411
    • One embodiment of the present invention relates to an error tolerant memory circuit having a low hardware overhead that can tolerate both single volatile soft errors and permanent errors. In one embodiment, the method and apparatus comprise a memory circuit having a plurality of memory element pairs, respectively having two memory storage elements configured to store a data unit. One or more parity generation circuits are configured to calculate a first parity bit from data written to the plurality of memory element pairs (e.g., the two memory storage elements) and a second parity bit from data read from one of the two memory storage elements in the plurality of memory element pairs. Based upon the calculated first and second parity bits, the memory circuit chooses to selectively output data from memory storage elements not known to contain an error.
    • 本发明的一个实施例涉及具有低硬件开销的容错存储器电路,其可容忍单个易失性软错误和永久错误。 在一个实施例中,该方法和装置包括具有多个存储元件对的存储器电路,其分别具有被配置为存储数据单元的两个存储器存储元件。 一个或多个奇偶校验生成电路被配置为从从两个存储器元件对(例如,两个存储器元件)中写入的数据中计算第一奇偶校验位,并且从位于 多个存储元件对。 基于计算的第一和第二奇偶校验位,存储器电路选择选择性地从不知道包含错误的存储器存储元件输出数据。