Datasheet
DocID027590 Rev 4 203/227
STM32F745xx STM32F746xx Package information
226
Figure 86. WLCSP143, 4.539x 5.849 mm, 0.4 mm pitch wafer level chip scale
package recommended footprint
A2 - 0.380 - - 0.0150 -
A3
(2)
- 0.025 - - 0.0010 -
b
(3)
0.220 0.250 0.280 0.0087 0.0098 0.0110
D 4.504 4.539 4.574 0.1773 0.1787 0.1801
E 5.814 5.849 5.884 0.2289 0.2303 0.2317
e - 0.400 - - 0.0157 -
e1 - 4.000 - - 0.1575 -
e2 - 4.800 - - 0.1890 -
F - 0.2695 - - 0.0106 -
G - 0.5245 - - 0.0206 -
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
1. Values in inches are converted from mm and rounded to 4 decimal digits.
2. Back side coating.
3. Dimension is measured at the maximum bump diameter parallel to primary datum Z.
Table 115. WLCSP143, 4.539x 5.849 mm, 0.4 mm pitch wafer level chip scale
package mechanical data (continued)
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
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