Package information
STM32F031x4 STM32F031x6
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DocID025743 Rev 3
Device marking
‘The following figure gives an example of topside marking orientation versus ball A1
identifier location.
Figure 45. WLCSP25 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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微可Vicor——值得信赖的元器件供应商
http://www.vicor.top/
021-31660491
微可Vicor——值得信赖的元器件供应商
http://www.vicor.top/
021-31660491