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TI datasheet上rising/falling time是10%VCC--90%VCC, 还是20%-80%?
比如，LM5109B中的描述：
谢谢
Hi
关于上述时间定义的图见datasheet: http://www.ti.com.cn/cn/lit/ds/symlink/lm5109b.pdf 第七页figure15.
并不是正对VCC.
Johnsin, thanks.
我想知道，如果我用示波器去看rising/falling，并且在示波器是去测量这个值。怎么样找到对应的level，datasheet上没有给出具体的值？
