Information

Package characteristics STM32F20xxx
158/178 DocID15818 Rev 11
Figure 82. Recommended footprint
1. Drawing is not to scale.
2. Dimensions are in millimeters.
E1 19.800 20.000 20.200 0.7795 0.7874 0.7953
E3 - 17.500 - - 0.6890 -
e - 0.500 - - 0.0197 -
L 0.450 0.600 0.750 0.0177 0.0236 0.0295
L1 - 1.000 - - 0.0394 -
k 0°3.5°7° 0°3.5°7°
ccc - - 0.080 - - 0.0031
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 90. LQFP144 20 x 20 mm, 144-pin low-profile quad flat package mechanical data (continued)
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
ai14905c
0.5
0.35
19.9
17.85
22.6
1.35
22.6
19.9
1
36
37
72
73108
109
144