Datasheet

STM32F051x Package characteristics
Doc ID 022265 Rev 3 95/105
Figure 33. LQFP48 – 7 x 7mm, 48-pin low-profile quad flat package outline
1. Drawing is not to scale.
5B_ME
L
A1 K
L1
c
A
A2
ccc
C
D
D1
D3
E3
E1 E
24
25
36
37
b
48
1
Pin 1
identification
12
13
Table 69. LQFP48 – 7 x 7mm, 48-pin low-profile quad flat package mechanical data
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
A 1.600 0.0630
A1 0.050 0.150 0.0020 0.0059
A2 1.350 1.400 1.450 0.0531 0.0551 0.0571
b 0.170 0.220 0.270 0.0067 0.0087 0.0106
c 0.090 0.200 0.0035 0.0079
D 8.800 9.000 9.200 0.3465 0.3543 0.3622
D1 6.800 7.000 7.200 0.2677 0.2756 0.2835
D3 5.500 0.2165
E 8.800 9.000 9.200 0.3465 0.3543 0.3622
E1 6.800 7.000 7.200 0.2677 0.2756 0.2835
E3 5.500 0.2165
e 0.500 0.0197
L 0.450 0.600 0.750 0.0177 0.0236 0.0295
L1 1.000 0.0394
k 0°3.5°7° 0°3.5°7°
ccc 0.080 0.0031
1. Values in inches are converted from mm and rounded to 4 decimal digits.