https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-understand-the-date-code-in-marking/m-p/1379328#M61966 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/192862">@nowhereman</a>&nbsp;,</P> <P>Due to our policy, we don't talk about this topic here. You can consult to your distributor or create a ticket in support.nxp.com</P> <P>&nbsp;</P> <P>Regards,</P> <P>Jing</P> Wed, 01 Dec 2021 02:55:14 GMT jingpan 2021-12-01T02:55:14Z https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-understand-the-date-code-in-marking/m-p/1378555#M61960 <P>Hello all,</P><P>Can you help me to <SPAN>identify&nbsp;</SPAN>the date code from marking?</P><P>Our production line accidentally mixed different batches of chips thgether.</P><P>How to interpret the information in the third line of marking which part number is&nbsp;MKL25Z128VFM4</P><P>The different marking of thrid line are as follow:</P><P>4LZCAP</P><P>4GYPAE</P><P>4GYPAA</P><P>4GYOU</P><P>4GYBY</P><P>Thank you !</P> Tue, 30 Nov 2021 03:59:18 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-understand-the-date-code-in-marking/m-p/1378555#M61960 nowhereman 2021-11-30T03:59:18Z https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-understand-the-date-code-in-marking/m-p/1379328#M61966 <P>Hi&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/192862">@nowhereman</a>&nbsp;,</P> <P>Due to our policy, we don't talk about this topic here. You can consult to your distributor or create a ticket in support.nxp.com</P> <P>&nbsp;</P> <P>Regards,</P> <P>Jing</P> Wed, 01 Dec 2021 02:55:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-understand-the-date-code-in-marking/m-p/1379328#M61966 jingpan 2021-12-01T02:55:14Z