Package information
STM32WB55xx STM32WB35xx
Figure 43. WLCSP100 marking example (package top view)
Pin 1 identifier
Product
identification(1)
WB55V
Y ww Y
Date code
MS53512V1
1. Parts marked as ES or E or accompanied by an Engineering Sample notification letter are not yet qualified
and therefore not approved for use in production. ST is not responsible for any consequences resulting
from such use. In no event will ST be liable for the customer using any of these engineering samples in
production. ST’s Quality department must be contacted prior to any decision to use these engineering
samples to run a qualification activity.
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DS11929 Rev 10