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请教ti人,图中图中开关S3和S2的作用
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设置输出电平是否跟输入反相。
ERIC
S4和S5决定上升沿还是下降沿,S2和S3是控制输出电平和输入电平是否反向,S1和S0控制是否有延迟,可以这么理解吗,如果是这样理解的话,S2和S3作用还是不很清楚,您能够举个例子吗