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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1083234/sn74avc2t245-driving-oe-pins-without-power
我遇到了这样的情况：零件在没有电源的情况下可能获得最大3.3V 至 OE 引脚(Vcc = 0V)。 这会损坏部件吗？
否；AVC 控制输入具有过电压容限。 请参阅 [FAQ]我的逻辑设备的输入电压(VI)是否可以高于电源电压(Vcc)？
