Figure 33. Lqfp64 Top View Example - ST STM32L15 QC Series Datasheet

Package information
LQFP64 device marking
The following figure gives an example of topside marking orientation versus pin 1 identifier
location.
The printed markings may differ depending on the supply chain.
Other optional marking or inset/upset marks, which identify the parts throughout supply
chain operations, are not indicated below.
Product identification
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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Figure 33. LQFP64 top view example

(1)
STM32L151
RCT6A
Pin 1
indentifier
DS10262 Rev 8
STM32L151xC/C-A STM32L152xC/C-A
Revision code
R
Date code
Y WW
MSv36699V1