Datasheet

DocID028800 Rev 1 181/200
STM32L431xx Package information
197
7.5 WLCSP64 package information
Figure 54. WLCSP64 - 64-ball, 3.141 x 3.127 mm, 0.35 mm pitch wafer level chip scale
package outline
1. Drawing is not to scale.
Table 95. WLCSP64 - 64-ball, 3.141 x 3.127 mm, 0.35 mm pitch wafer level chip scale
package mechanical data
Symbol
millimeters inches
(1)
Min Typ Max Min Typ Max
A 0.516 0.546 0.576 0.0203 0.0215 0.0227
A1 - 0.166 - - 0.0065 -
A2 - 0.380 - - 0.0150 -
A3
(2)
- 0.025 - - 0.0010 -
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