Datasheet

DocID024030 Rev 10 219/239
STM32F427xx STM32F429xx Package information
232
Device marking for UFBGA169
The following figure gives an example of topside marking orientation versus ball A1 identifier
location.
Other optional marking or inset/upset marks, which depend on assembly location, are not
indicated below.
Figure 97. UFBGA169 marking example (package top view)
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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