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问一个芯片后缀的含义的问题，SN65HVD230D和SN65HVD230DR中D和DR分别代表什么含义，有什么区别呢
代表两种不同的封装数量，D,每整套75个，DR，每整套2500个
补充一下，D代表的是SOIC封装，R代表的是Reel卷装
