54中,运行程序时,IS是不是咋极短时间内为低电平,然后恢复高电平?如果它与sn74lvc4245a的OE端相连要不要插入等待周期,不知为什么OE好像一直是高电平?哪位前辈愿意解答
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54中,运行程序时,IS是不是咋极短时间内为低电平,然后恢复高电平?如果它与sn74lvc4245a的OE端相连要不要插入等待周期,不知为什么OE好像一直是高电平?哪位前辈愿意解答