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SN74ACT240是否具有类似的功能、但/OE 引脚具有如下真值表所示的反向逻辑? 谢谢。
是的、它处于高阻抗状态、或不处于高阻抗状态。 请参阅 [常见问题解答]慢速或浮点输入如何影响 CMOS 器件?