Through redesigning the structure of the original PFD circuit and based on the traditional D trigger PFD, two new PFDs, transmission gate D trigger PFD and flip-latch based PFD were proposed.
通过对原有PFD电路结构进行重新设计，在传统D触发器PFD的基础上提出了两种新型PFD：传输门D触发器型PFD和基于锁存器的PFD。
Even though this IC is supposed to work as a latch circuit, it can also be made to function as RS (recommended standard) flip-flop.
尽管期望这种集成电路作为一种锁存器电路，它也可以当作推荐的标准触发器。
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