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[参考译文] SN74AHCT541:SN74AHCT541PWR 背面的形状不一致

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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1583018/sn74ahct541-sn74ahct541pwr-the-shapes-on-the-back-are-inconsistent

器件型号:SN74AHCT541


SN74AHCT541PWR   对于这种模型,我们收到了两批货物,但背面的样式不一致。

原因是什么? 有 PCN 吗?