Datasheet

Package information STM32F427xx STM32F429xx
212/239 DocID024030 Rev 10
Device marking for LQFP176
The following figure gives an example of topside marking orientation versus pin 1 identifier
location.
Other optional marking or inset/upset marks, which depend on assembly location, are not
indicated below.
Figure 91. LQFP176 marking (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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