Datasheet

Package information STM32L010F4/K4
84/91 DS12323 Rev 2
Device marking for TSSOP20
Figure 30 gives an example of topside marking versus pin 1 position identifier location.
Other optional marking or inset/upset marks depending on supply-chain operations, are not
indicated below.
Figure 30. TSSOP20 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 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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