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它的用法简单描述如下:
这是一颗16路多路开关,通过使能端S0~S3来控制COMMON和I0~I15的哪个通道导通。
当COMMON作为输出时,那么如果您想导通I8,那么S0~S2=0, S3=1,也就是说I8为输入信号,COMMON为输出,I8和COMMON导通。 不需要上拉。