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STM32L031C4 Folha de dados(PDF) 107 Page - STMicroelectronics

Nome de Peças STM32L031C4
Descrição Electrónicos  Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC
PDF  118 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L031C4 Folha de dados(HTML) 107 Page - STMicroelectronics

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DocID027063 Rev 4
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STM32L031x4/6
Package information
114
Figure 47. WLCSP25 - 2.097 x 2.493 mm, 0.400 mm pitch wafer level chip scale
recommended footprint
aaa
0.1000
-
-
0.0039
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-
bbb
0.1000
-
-
0.0039
-
-
ccc
0.1000
-
-
0.0039
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ddd
0.0500
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0.0020
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eee
0.0500
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0.0020
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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 74. WLCSP25 - 2.097 x 2.493 mm, 0.400 mm pitch wafer level chip scale mechanical data
Symbol
Milimeters
Inches(1)
Min
Typ
Max
Min
Typ
Max
Table 75. WLCSP25 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



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