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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/904948/sn74lvch8t245-high-impedance-state-during-power-up-power-down
您好！
器件是否必须在加电/断电期间处于高阻抗状态？ 是否出于某种原因建议使用？
当电源电压高于0V 但低于1.65V 时、不能保证正常运行、即 I/O 可能具有错误的方向和/或输出可能驱动错误的值。
如果您不关心加电/断电期间 I/O 的状态、则可以将 OE 直接接地。
