MAX3232 比 MAX232好用,MAX3232是宽压,电源可以是5V,也可以是3V;MAX232只是5V供电
74HC芯片比74LS好用,74HC是宽压,74LS不是宽压
posted on 2014-04-02 10:47 JHJ_BABY 阅读(385) 评论(0) 编辑 收藏 举报
Powered by: 博客园 Copyright © 2024 JHJ_BABY Powered by .NET 8.0 on Kubernetes