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MBeck.1
MBeck.1
Associate
April 27, 2020
Question

LIS2DH12TR ---what is the meaning of chip marking ? it is not showing the code ?

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    2 replies

    MBeck.1
    MBeck.1Author
    Associate
    April 27, 2020

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    Eleon BORLINI
    Eleon BORLINI
    ST Employee
    April 27, 2020

    Hi @MBeck.1​ , the number "944" indicates the year (9 for 2019) and the year week (44 for wk 44) of the device assembly lot for LIS2DH12TR. The 2D code matrix embeds the tracking info of the chip IDs (both MEMS and ASIC), the finish good lot and the assembly plant, mainly for failure analysis purposes on customer returns from field. Regards

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