Package characteristics
STM32L151xC STM32L152xC
124/135
DocID022799 Rev 10
Marking of engineering samples
The following figure gives an example of topside marking orientation versus ball A1 identifier
location.
Figure 45. UFBGA100 package top view example
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
eee
-
-
0.150
-
-
0.0059
fff
-
-
0.050
-
-
0.0020
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 70. UFBGA100, 7 x 7 mm, 100-ball ultra thin, fine pitch ball grid array
package mechanical data (continued)
Symbol
millimeters
inches
(1)
Min
Typ
Max
Min
Typ
Max
3URGXFW
LGHQWLILFDWLRQ
45.-
7$)
3
: 88
%DOO$
LGHQWLILFDWLRQ
5HYLVLRQFRGH
'DWHFRGH
069