锁存器(Latch)是一种对脉冲电平敏感的存储单元电路，它们可以在特定输入脉冲电平作用下改变状态。锁存，就是把信号暂存以维持某种电平状态。-Latches (Latch) is a pulse level sensitive storage unit circuit, they can be in specific input pulse level under the role of change state. Lock to save, the signal is temporary in