Datasheet

DS9178 Rev 4 91/96
STM8L051F3 Package characteristics
93
Device marking for TSSOP20 – 20-lead thin shrink small outline, 6.5 x 4.4 mm,
0.65 mm pitch
The following figure gives an example of topside marking orientation versus pin 1/ball A1
identifier location.
Other optional marking or inset/upset marks, which identify the parts throughout supply
chain operations, are not indicated below.
Figure 40. Device marking for TSSOP20 – 20-lead thin shrink small outline,
6.5 x 4.4 mm, 0.65 mm pitch example
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.
MSv17034v1
8L051F3P6
R Y WW
Product identification
Additional information
Date code
Unmarkable surface
PIN1 reference
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