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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/932667/sn74avch4t245-date-direction
器件型号:SN74AVCH4T245当引脚 Oe=L 和引脚 DIR 为 nA 时、日期方向是怎样的?
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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/932667/sn74avch4t245-date-direction
器件型号:SN74AVCH4T245当引脚 Oe=L 和引脚 DIR 为 nA 时、日期方向是怎样的?
"NA"是什么意思?
当 DIR 引脚悬空时、方向是随机的、器件可能会损坏: [常见问题解答]慢速或浮点输入如何影响 CMOS 器件?