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目前在用SN65C3232D串口芯片，但发现有两种不同的丝印，请各位帮忙分析一下1和2有什么区别。
是通过TI 代理商购买的吗？
都不是TI 代理。
第一行是产地、生产日期等批次信息，芯片功能没有区别
