The output of one flip-flop is the input to the next; the state changes consequently "ripple through" the flip-flops, requiring a time proportional to the length of the counter. 一个触发器的输出是下一个的输入,因而状态的变化以波动形式通过各个触发器,所需时间与计数器的长度成正比。
A serial counter is also called a ripple counter. 串行计数器亦叫脉冲型计数器。
An Improved Analysis Method for Ripple Counter 一种改进的异步计数器分析方法
This article introduced an improved analysis methods for ripple counter, put forward the conception and calculating methed of clock restrain state equation, gave the analysis steps and typical examples. 本文介绍一种改进的异步计数器分析方法,提出时钟约束状态方程的概念与计算方法;给出了分析步骤与典型实例。