Tool/software:
Below is datasheet:


The device marking in the frist picture is TCAL9539, but the 2nd picture is PTCAL9538RTWR,
9538 is wrong info. or it means some other mean?
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Tool/software:
Below is datasheet:


The device marking in the frist picture is TCAL9539, but the 2nd picture is PTCAL9538RTWR,
9538 is wrong info. or it means some other mean?