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Method for implementing a single phase edge-triggered dual-rail dynamic flip-flop
Method for implementing a single phase edge-triggered dual-rail dynamic flip-flop
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机译:一种实现单相边沿触发双轨动态触发器的方法
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摘要
A method of implementing a single phase edge-triggered dual- rail dynamic flip-flop circuit for use with dynamic logic gates includes receiving a data-input signal and a clock signal. During the precharge phase, an input stage provides an output signal that is the complement of the data input signal. When the data input signal is provided by a dynamic logic gate, the input stage output signal is precharged to a logic high level. During the evaluation phase, an output signal that either remains at a logic high level or else transitions from high-to- low is generated by the input stage. The output signal and the clock signal are received by the precharge stage from the input stage. During the precharge phase, a logic high level output signal is generated the precharge stage independently of the signal received from the input stage. However, the logic high level signal from the input stage turns on hard an n-channel transistor in the precharge stage, which minimizes the delay through the precharge stage during the evaluation phase. During the evaluation phase, the precharge stage outputs the complement of the output signal received from the input stage. The buffer is coupled to receive the output signal from the precharge stage. During both the precharge and evaluation phases, the buffer outputs the complement of the output signal received from the precharge stage.
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