Datasheet

Package information STM32F412xE/G
164/193 DocID028087 Rev 4
Device marking for WLCSP64
The following figure gives an example of topside marking and pin 1 position identifier
location.
Figure 62. WLCSP64 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.
Dsm
0.290 mm typ. (depends on the soldermask
registration tolerance)
Stencil opening 0.250 mm
Stencil thickness 0.100 mm
Table 99. WLCSP64 recommended PCB design rules (0.4 mm pitch) (continued)
Dimension Recommended values
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=
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