Package characteristics
STM32F301x6 STM32F301x8
Device marking
The following figure shows the marking for the UFQFPN32 package.
Figure 45. UFQFPN32 marking example (package top view)
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1. Parts marked as “ES”, “E” or accompanied by an Engineering Sample notification letter, are not yet
qualified and therefore not yet ready to be used in production and any consequences deriving from such
usage will not be at ST charge. In no event, ST will be liable for any customer usage of these engineering
samples in production. ST Quality has to be contacted prior to any decision to use these Engineering
samples to run qualification activity.
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