基于Electronics Workbench的逻辑电路设计

针对加快电子电路的设计,缩短电子产品的生存周期,提高逻辑判断分析能力及电子设计效率.采用基于EWB仿真软件,结合74191的逻辑功能特点,设计了四位同步二进制可逆计数器.通过EWB仿真软件,从数字逻辑信号分析仪输出的波形来看,实现了对输入脉冲信号进行计数的功能.理论设计方案预期与仿真实验结果基本一致.

Design of logic circuit based on Electronics Workbench

In order to speed up the electronic circuit design,electronic product life cycle is shortened,and the logic analysis ability and the electronic design efficiency is improved.This paper designed a four bit binary reversible synchronous counter Based on EWB simulation software,combining with the characteristics of 74191 logic function.By EWB simulation software,from the perspective of a digital logic signal analyzer output waveform,The design can realize the function of input pulse signal counting.Theory design expectations and the simulation results are basically identical.