Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 2MB LQFP
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DocID024030 Rev 10 203/239
STM32F427xx STM32F429xx Package information
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Figure 84. WLCSP143 - 143-ball, 4.521x 5.547 mm, 0.4 mm pitch wafer level chip scale
 recommended footprint
Table 111. WLCSP143 - 143-ball, 4.521x 5.547 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 0.155 0.175 0.195 - 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 4.486 4.521 4.556 0.1766 0.1780 0.1794
E 5.512 5.547 5.582 0.2170 0.2184 0.2198
e - 0.400 - - 0.0157 -
e1 - 4.000 - - 0.1575 -
e2 - 4.800 - - 0.1890 -
F - 0.2605 - - 0.0103 -
G - 0.3735 - - 0.0147 -
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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