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[参考译文] SN74LXC8T245:当 Vcca=1.8V 时,以 Vcca 为基准的输入 Vt-是什么?

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当 Vcca=1.8V 时,对于以 vcca 为基准的输入,什么是 VT-? 数据表中仅指定了1.65V 和2.3V 的 VT-。