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The marking information of LIS2DHTR

VICTOR1
Associate II

‎2021-08-10 11:36 PM

HI sir,

we have received the item marking show 702, may i ask you what is it represent since we can't find the marking information from the spec. sheet., thanks.

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TBomb.1
Senior II

‎2021-08-11 02:05 AM

Hi, the marking is usually a date code where the first number is the year and the year's week.

For example, in your case "7" refer to year 2017 and "02" to the year week.

Note that from st.com page the LIS2DHTR is a NRND product, this could justify the old date code.

Could you share a picture of your device for the community?

Tom

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VICTOR1
Associate II

‎2021-08-11 11:28 PM

0693W00000D2EvWQAV.jpgHI, for your reference...they said the parts is the year of 2020...so is this 2017?

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TBomb.1
Senior II

‎2021-08-12 06:33 AM

Are you sure it is a LIS2DHTR and not a LIS2DH12TR, like this one? You can count the number of LGA pin that are 14 for the LIS2DHTR and 12 for the LIS2DH12TR.

0693W00000D2K78QAF.png 

https://www.st.com/resource/en/datasheet/dm00042751.pdf

https://www.st.com/resource/en/datasheet/lis2dh12.pdf

By the way, your part is from 2017, yes...

Tom

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