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DS90CR285: 解读芯片丝印信息,确定管脚表面涂层是否含铅?

Part Number: DS90CR285

从第三方销售商购买了DS90CR285MTD,销售商根据TI的数据手册(如下图)认为该批次芯片的管脚表面涂层含铅。

芯片的丝印信息如下图,第一行最后为G3,我认为是无铅的。

上图中0BA21YUG3的解释为:

0B为年月;

A21Y为ASSY LOT code

U为PRIMARY ASSY SITE code

G3为环保标志;

请专家答疑一下,0BA21YUG3的解读是否正确?从最后的G3能否确定该批芯片的管脚表面涂层不含铅。谢谢。