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    • 10. 发明授权
    • Enhanced glitch filter
    • 增强毛刺滤镜
    • US08913441B2
    • 2014-12-16
    • US13477277
    • 2012-05-22
    • Leonid Minz
    • Leonid Minz
    • G11C7/10
    • H03K5/1252
    • A glitch circuit includes an SR flip-flop where a received input clock is operatively coupled to set and reset inputs of the flip-flop, respectively. A configurable delay circuit receives an input signal, and an output of the delay circuit provides a delayed signal. The configurable delay circuit includes a plurality of switchable taps, each providing an increment of delay to the input signal. The delay circuit input is operatively coupled to an output of the flip flop, and an output of the delay circuit is operatively coupled to the inputs of the flip-flop. The glitch circuit captures a first signal transition of the input clock and blocks all other transitions from propagating through the flip-flop during a selected delay period so as to provide on an output of the flip-flop, the glitch-free output clock.
    • 毛刺电路包括SR触发器,其中接收的输入时钟可操作地耦合以分别设置和复位触发器的输入。 可配置延迟电路接收输入信号,延迟电路的输出提供延迟信号。 可配置延迟电路包括多个可切换抽头,每个抽头提供对输入信号的延迟增量。 延迟电路输入可操作地耦合到触发器的输出,并且延迟电路的输出可操作地耦合到触发器的输入。 毛刺电路捕获输入时钟的第一信号转换并阻止所有其它转变在所选择的延迟周期期间传播通过触发器,以便在触发器的输出上提供无毛刺的输出时钟。