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我申请的SN74LVC1G123DCU样品，实际发过来的物料型号是74LVC1G123DCURG4 ，两颗料一样的吗？
您好，
首先您的SN74LVC1G123DCU型号似乎并不完整，通过查询数据手册，完整的型号应该是SN74LVC1G123DCUR或者SN74LVC1G123DCUT，您可能询问的是SN74LVC1G123DCUR型号和74LVC1G123DCURG4的区别，
理论上，它被命名为 SN74LVC1G123DCURG4，但某些 TI 系统有（或曾经有？）大约 17 个字符的长度限制，因此较长的可订购部件编号会被缩短。
另请参阅[FAQ] Why does a logic device's part number have an E4/G4 suffix?
