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STM32F031X4 bảng dữ liệu(PDF) 94 Page - STMicroelectronics

tên linh kiện STM32F031X4
Giải thích chi tiết về linh kiện  ARM-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers, ADC and communication interfaces, 2.0 - 3.6 V
PDF  106 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F031X4 bảng dữ liệu(HTML) 94 Page - STMicroelectronics

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Package information
STM32F031x4 STM32F031x6
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DocID025743 Rev 4
Figure 44. Recommended footprint for WLCSP25 package
aaa
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0.100
-
-
0.0039
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bbb
-
0.100
-
-
0.0039
-
ccc
-
0.100
-
-
0.0039
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ddd
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0.050
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0.0020
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eee
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0.050
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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.
4. Primary datum Z and seating plane are defined by the spherical crowns of the bump.
Table 66. WLCSP25 recommended PCB design rules
Dimension
Recommended values
Pitch
0.4 mm
Dpad
0.225 mm
Dsm
0.290 mm typ. (depends on the soldermask
registration tolerance)
Stencil opening
0.250 mm
Stencil thickness
0.100 mm
Table 65. WLCSP25 package mechanical data (continued)
Symbol
millimeters
inches(1)
Min
Typ
Max
Min
Typ
Max



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