STM32F103x8, STM32F103xB
Package characteristics
Figure 45. LQFP48, 7 x 7 mm, 48-pin low-profile quad flat
Figure 46. Recommended
(1)
(1)(2)
package outline
footprint
Seating plane
C
A
A2
A1
c
b
0.50
1.20
0.25 mm
Gage plane
ccc
C
D
0.30
36
25
37
24
D1
D3
k
0.20
A1
L
7.30
9.70 5.80
25
36
L1
7.30
24
48
13
12
37
1
1.20
5.80
E3
E1
E
9.70
ai14911b
48
13
Pin 1
identification
1
12
5B_ME
1. Drawing is not to scale.
2. Dimensions are in millimeters.
Table 55. LQFP48, 7 x 7 mm, 48-pin low-profile quad flat package mechanical data
millimeters
inches(1)
Symbol
Min
Typ
Max
Min
Typ
Max
A
A1
A2
b
1.600
0.150
1.450
0.270
0.200
9.200
7.200
0.0630
0.0059
0.0571
0.0106
0.0079
0.3622
0.2835
0.050
1.350
0.170
0.090
8.800
6.800
0.0020
0.0531
0.0067
0.0035
0.3465
0.2677
1.400
0.220
0.0551
0.0087
c
D
9.000
7.000
5.500
9.000
7.000
5.500
0.500
0.600
1.000
3.5°
0.3543
0.2756
0.2165
0.3543
0.2756
0.2165
0.0197
0.0236
0.0394
3.5°
D1
D3
E
8.800
6.800
9.200
7.200
0.3465
0.2677
0.3622
0.2835
E1
E3
e
L
0.450
0°
0.750
7°
0.0177
0°
0.0295
7°
L1
k
ccc
0.080
0.0031
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Doc ID 13587 Rev 11
81/92
STMICROELECTRONICS [ ST ]
