Datasheet

Package characteristics STM32F103x8, STM32F103xB
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Figure 37. LQFP100, 100-pin low-profile quad flat
package outline
(1)
Figure 38. Recommended footprint
(1)(2)
1. Drawing is not to scale.
2. Dimensions are in millimeters.
D
D1
D3
75
51
50
76
100 26
125
E3 E1 E
e
b
Pin 1
identification
SEATING PLANE
GAGE PLANE
C
A
A2
A1
Cccc
0.25 mm
0.10 inch
L
L1
k
C
1L_ME
75 51
5076
0.5
0.3
16.7 14.3
100 26
12.3
25
1.2
16.7
1
ai14906
Table 51. LQPF100, 100-pin low-profile quad flat package mechanical data
Symbol
millimeters inches
(1)
Typ Min Max Typ Min Max
A 1.6 0.063
A1 0.05 0.15 0.002 0.0059
A2 1.4 1.35 1.45 0.0551 0.0531 0.0571
b 0.22 0.17 0.27 0.0087 0.0067 0.0106
c 0.09 0.2 0.0035 0.0079
D 16 15.8 16.2 0.6299 0.622 0.6378
D1 14 13.8 14.2 0.5512 0.5433 0.5591
D3 12 0.4724
E 16 15.8 16.2 0.6299 0.622 0.6378
E1 14 13.8 14.2 0.5512 0.5433 0.5591
E3 12 0.4724
e 0.5 0.0197
L 0.6 0.45 0.75 0.0236 0.0177 0.0295
L1 1 0.0394
k 3.5° 0.0° 7.0° 3.5° 0.0° 7.0°
ccc 0.08 0.0031
1. Values in inches are converted from mm and rounded to 4 decimal digits.