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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/986821/sn74lvc00a-inputs-can-be-driven-when-unpowered
大家好、
你好。
如果器件未通电、例如在插入背板的卡上、 则信号被驱动到其输入中、在器件的电源启动之前是否会造成潜在的损害？
谢谢！
艺术
没关系；请参阅 [常见问题解答]我的逻辑器件的输入电压(VI)是否可以高于电源电压(Vcc)？
