Datasheet

DS7147 Rev 10 95/103
STM8S003F3 STM8S003K3 Package information
97
Device marking for UFQFPN20
The following figure gives an example of topside marking orientation versus pin 1 identifier
location.
Other optional marking or inset/upset marks, which identify the parts throughout supply
chain operations, are not indicated below.
Figure 52. UFQFPN20 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.
MS37769V1
Product
identification
(1)
Dot (pin 1)
Revision code
Date code
YWW
R
S033