Datasheet

Package information STM32F302x6 STM32F302x8
120/138 DocID025147 Rev 7
Figure 38. WLCSP49 - 49-pin, 3.417 x 3.151 mm, 0.4 mm pitch wafer level chip scale
package recommended footprint
Table 77. WLCSP49 - 49-pin, 3.417 x 3.151 mm, 0.4 mm pitch wafer level chip scale
package mechanical data
Symbol
millimeters inches
(1)
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Min Typ Max Min Typ Max
A 0.525 0.555 0.585 0.0207 0.0219 0.0230
A1 - 0.175 - - 0.0069 -
A2 - 0.380 - - 0.0150 -
A3
(2)
2. Back side coating
- 0.025 - - 0.0010 -
b
(3)
3. Dimension is measured at the maximum bump diameter parallel to primary datum Z.
0.220 0.250 0.280 0.0087 0.0098 0.0110
D 3.382 3.417 3.452 0.1331 0.1345 0.1359
E 3.116 3.151 3.186 0.1227 0.1241 0.1254
e - 0.400 - - 0.0157 -
e1 - 2.400 - - 0.0945 -
e2 - 2.400 - - 0.0945 -
F - 0.5085 - - 0.0200 -
G - 0.3755 - - 0.0148 -
aaa - - 0.100 - - 0.0039
bbb - - 0.100 - - 0.0039
ccc - - 0.100 - - 0.0039
ddd - - 0.050 - - 0.0020
eee - - 0.050 - - 0.0020
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