STMicroelectronics STM32L151QCH6 Manual page 124

Package information
Table 68. UFBGA132, 7 x 7 mm, 132-ball ultra thin, fine-pitch ball grid array
Symbol
eee
fff
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Figure 41. UFBGA132, 7 x 7 mm, 132-ball ultra thin, fine-pitch ball grid array package
124/133
package mechanical data (continued)
millimeters
Min Typ
- -
- -
recommended footprint
DocID026119 Rev 5
STM32L151xC/C-A STM32L152xC/C-A
Max Min
0.150 -
0.050 -
(1)
inches
Typ Max
- 0.0059
- 0.0020