DocID025743 Rev 3
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STM32F031x4 STM32F031x6
Package information
109
7.4
UFQFPN28 package information
Figure 40. UFQFPN28 - 28-lead, 4x4 mm, 0.5 mm pitch, ultra thin fine pitch quad flat
package outline
1.
Drawing is not to scale.
Table 64. UFQFPN28 - 28-lead, 4x4 mm, 0.5 mm pitch, ultra thin fine pitch quad flat
package mechanical data
(1)
Symbol
millimeters
inches
Min
Typ
Max
Min
Typ
Max
A
0.500
0.550
0.600
0.0197
0.0217
0.0236
A1
-
0.000
0.050
-
0.0000
0.0020
D
3.900
4.000
4.100
0.1535
0.1575
0.1614
D1
2.900
3.000
3.100
0.1142
0.1181
0.1220
E
3.900
4.000
4.100
0.1535
0.1575
0.1614
E1
2.900
3.000
3.100
0.1142
0.1181
0.1220
L
0.300
0.400
0.500
0.0118
0.0157
0.0197
L1
0.250
0.350
0.450
0.0098
0.0138
0.0177
T
-
0.152
-
-
0.0060
-
b
0.200
0.250
0.300
0.0079
0.0098
0.0118
e
-
0.500
-
-
0.0197
-
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微可Vicor——值得信赖的元器件供应商
http://www.vicor.top/
021-31660491