How to understand the date code in marking?

[nowhereman]

Hello all,

Can you help me to identify the date code from marking?

Our production line accidentally mixed different batches of chips thgether.

How to interpret the information in the third line of marking which part number is MKL25Z128VFM4

The different marking of thrid line are as follow:

4LZCAP

4GYPAE

4GYPAA

4GYOU

4GYBY

Thank you !

[jingpan]

Hi @nowhereman ,

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

Regards,

Jing