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STM32L052C8 Datasheet(PDF) 121 Page - STMicroelectronics

Part # STM32L052C8
Description  Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash memory, 8 KB SRAM, 2 KB EEPROM, USB, ADC, DAC
PDF  136 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L052C8 Datasheet(HTML) 121 Page - STMicroelectronics

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STM32L052x6 STM32L052x8
130
Figure 49. WLCSP36 - 2.596 x 2.868 mm, 0.4 mm pitch wafer level chip scale
recommended footprint
G
-
0.434
-
-
0.0171
-
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 86. WLCSP36 recommended PCB design rules
Dimension
Recommended values
Pitch
0.4 mm
Dpad
260 µm max. (circular)
220 µm recommended
Dsm
300 µm min. (for 260 µm diameter pad)
PCB pad design
Non-solder mask defined via underbump allowed
Table 85. WLCSP36 - 2.596 x 2.868 mm, 0.4 mm pitch wafer level chip scale
mechanical data (continued)
Symbol
millimeters
inches(1)
Min
Typ
Max
Min
Typ
Max



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