购买的型号与到货标签型号尾缀不同,尾缀LWY9是什么意思,与LMZ10503EXTTZX/NOPB 有什么关系,求解答

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HI
有可能是产地。
但是TI应该是不再提供芯片marking以及后缀代码含义。
对于TI而言,芯片来源是判定芯片质量的唯一标准,建议直接找TI购买。