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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/749547/sn74lvc244a-output-state-when-supply-voltage-is-under-specified-operating-range
您好！
电源电压低于1.65V 且 OE 上拉时、输出是否处于 HiZ 状态？
是否存在具有相同规格但高电平有效 OE 的器件？
Rgds、 Juha
低电源电压是数据表第8.1节所述的情况：
OE 应通过一个上拉电阻器连接至 VCC、以确保加电或断电期间的高阻抗状态
SN74xxx126缓冲器具有高电平有效 OE、但是每个缓冲器有一个 OE。
