https://community.nxp.com/t5/8-bit-Microcontrollers/TOP-MARK-DIFFERENCE-OF-MKE02Z64VLD4/m-p/1390343#M23457 <P>There is a spec for that, but this is NXP confidential and can not be shared.</P> <P>&nbsp;</P> <P>Where did you buy those parts?</P> <P>Regards</P> <P>Vicente gomez</P> <P>&nbsp;</P> Tue, 21 Dec 2021 23:19:36 GMT vicentegomez 2021-12-21T23:19:36Z https://community.nxp.com/t5/8-bit-Microcontrollers/TOP-MARK-DIFFERENCE-OF-MKE02Z64VLD4/m-p/1390066#M23455 <P>I accidentally found there are two types top marks of&nbsp;MKE02Z64VLD4,as you can find in the attachment, there are there circles (two big ones and one small circle) in one pic, but in the other pic, there is only one small circle;you can also find the text formats are also different.just out of curiosity, is there any official doc to specify this?thx</P><P>&nbsp;</P> Tue, 21 Dec 2021 09:38:06 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/TOP-MARK-DIFFERENCE-OF-MKE02Z64VLD4/m-p/1390066#M23455 johnny3 2021-12-21T09:38:06Z https://community.nxp.com/t5/8-bit-Microcontrollers/TOP-MARK-DIFFERENCE-OF-MKE02Z64VLD4/m-p/1390343#M23457 <P>There is a spec for that, but this is NXP confidential and can not be shared.</P> <P>&nbsp;</P> <P>Where did you buy those parts?</P> <P>Regards</P> <P>Vicente gomez</P> <P>&nbsp;</P> Tue, 21 Dec 2021 23:19:36 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/TOP-MARK-DIFFERENCE-OF-MKE02Z64VLD4/m-p/1390343#M23457 vicentegomez 2021-12-21T23:19:36Z