Package characteristics
STM32F21xxx
Figure 74. Recommended footprint
48
33
0.3
49
0.5
32
12.7 10.3
10.3
64
17
1.2
1
16
7.8
1. Drawing is not to scale.
2. Dimensions are in millimeters.
12.7
ai14909
Figure 75. LQFP100, 14 x 14 mm 100-pin low-profile quad flat package outline
0.25 mm
0.10 inch
GAGE PLANE
75
76
D
D1
D3
51
50
k
L
L1
C
b
E3 E1 E
100
Pin 1
1
identification
1. Drawing is not to scale.
26
25
e
SEATING PLANE C
ccc C
A1
A2
A
1L_ME
144/173
Doc ID 17050 Rev 8