CD00161566 Datasheet, PDF (89/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

STM32F103x8, STM32F103xB
Package characteristics
Figure 50. LQFP64, 10 x 10 mm, 64-pin low-profile quad flat Figure 51. LQFP64 recommended
package outline⁽¹⁾
footprint⁽¹⁾⁽²⁾
48
49
b
64
Pin 1
identification 1
D
D1
D3
33
ccc $
"
"
32
48
33
0.3
49
0.5
32
12.7 _10.3
L1
E3 E1 E
10.3
64
17
17
16
D
A1
L
K
5W_ME
1
16
7.8
12.7
1.2
ai14909
1. Drawing is not to scale.
2. Dimensions are in millimeters.
Table 56. LQFP64, 10 x 10 mm, 64-pin low-profile quad flat package mechanical data
Symbol
millimeters
Min
Typ
Max
inches⁽¹⁾
Min
Typ
Max
A
-
-
1.60
-
-
0.0630
A1
0.05
-
0.15
0.0020
-
0.0059
A2
1.35
1.40
1.45
0.0531
0.0551
0.0571
b
0.17
0.22
0.27
0.0067
0.0087
0.0106
c
0.09
-
0.20
0.0035
-
0.0079
D
-
12.00
-
-
0.4724
-
D1
-
10.00
-
-
0.3937
-
E
-
12.00
-
-
0.4724
-
E1
-
10.00
-
-
0.3937
-
e
-
0.50
-
-
0.0197
-

0°
3.5°
7°
0°
3.5°
7°
L
0.45
0.60
0.75
0.0177
0.0236
0.0295
L1
-
1.00
-
-
0.0394
-
Number of pins
N
64
1. Values in inches are converted from mm and rounded to 4 decimal digits.
DocID13587 Rev 16
89/105
104