本文提出把可同步激励的MSI时序部件当作一个多功能的复杂存储元件使用,并对计数型MSI与移位型MSI分别给出了它们的次态方程与激励表.此外,提出了应用这两种MSI时序部件设计一般时序电路的状态安排规则及设计程序.讨论表明,这种设计方法在本质上相当于对专用MSI时序部件的基本工作时序进行时序修改. In this paper, we propose to use the synchronously-actuated MSI timing components as a multi-functional complex memory element, and give their sub-state equations and excitation tables for counting MSI and shifting MSI respectively. In addition, Two kinds of MSI timing components are designed to arrange the rules and design procedure of the general timing circuit, and the discussion shows that this design method essentially corresponds to the timing modification of the basic working timing of the dedicated MSI timing components.