Datasheet

DocID022799 Rev 6 117/132
STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC Package characteristics
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Marking of engineering samples
The following figure shows the engineering sample marking for the LQFP64 package. Only
the information field containing the engineering sample marking is shown.
Figure 39. LQFP64 package top view
1. Samples marked “ES” are to be considered as “Engineering Samples”:i.e. they are intended to be sent to
customer for electrical compatibility evaluation and may be used to start customer qualification where
specifically authorized by ST in writing. In no event ST will be liable for any customer usage in
production.Only if ST has authorized in writing the customer qualification Engineering Samples can be
used for reliability qualification trials.
ES
MS33006V1
Engineering sample marking
1