Table 63. Lqfp48, 7 X 7 Mm, 48-Pin Low-Profile Quad Flat Package Mechanical Data; Figure 40. Lqfp48, 7 X 7 Mm, 48-Pin Low-Profile Quad Flat Package Outline; Figure 41. Recommended Footprint - STMicroelectronics STM32L151CB Manual

STM32L151xx, STM32L152xx
Figure 40. LQFP48, 7 x 7 mm, 48-pin low-profile quad flat
package outline
Seating plane
C
A A2
A1
36
37
48
Pin 1
1
identification
1. Drawing is not to scale.
2. Dimensions are in millimeters.
Table 63. LQFP48, 7 x 7 mm, 48-pin low-profile quad flat package mechanical data
Symbol
Typ
A
A1
A2 1.400
b 0.220
c
D 9.000
D1 7.000
D3 5.500
E 9.000
E1 7.000
E3 5.500
e 0.500
L 0.600
L1 1.000
k 3.5°
ccc
1. Values in inches are converted from mm and rounded to 4 decimal digits.
(1)
b
ccc
C
D
D1
D3
25
24
E3 E1
13
12
millimeters
Min
0.050
1.350
0.170
0.090
8.800
6.800
8.800
6.800
0.450
0°
0.080
c
0.25 mm
Gage plane
k
A1
L
L1
E
5B_ME
Max
1.600
0.150
1.450 0.0551
0.270 0.0087
0.200
9.200 0.3543
7.200 0.2756
0.2165
9.200 0.3543
7.200 0.2756
0.2165
0.0197
0.750 0.0236
0.0394
7°
Doc ID 17659 Rev 6
Package characteristics
Figure 41. Recommended
footprint
36
37
7.30
5.80
9.70
48
1
(1)
inches
Typ Min
0.0020
0.0531
0.0067
0.0035
0.3465
0.2677
0.3465
0.2677
0.0177
3.5° 0°
0.0031
(1)(2)
0.50
1.20
0.30
25
24
0.20
7.30
13
12
1.20
5.80
9.70
ai14911b
Max
0.0630
0.0059
0.0571
0.0106
0.0079
0.3622
0.2835
0.3622
0.2835
0.0295
7°
103/109