请问393的1脚和7脚的静态和动态电压是多少?1脚和7脚的电压是受那里影响的?
IC5是什么型号?
![](http://u.dianyuan.com/bbs/u/72/2228831229696306.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
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