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STM32L072X8 bảng dữ liệu(PDF) 127 Page - STMicroelectronics

tên linh kiện STM32L072X8
Giải thích chi tiết về linh kiện  Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32L072X8 bảng dữ liệu(HTML) 127 Page - STMicroelectronics

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STM32L072xx
Package information
144
Figure 49. UFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch ultra profile fine pitch
ball grid array package recommended footprint
ddd
-
-
0.080
-
-
0.0031
eee
-
-
0.150
-
-
0.0059
fff
-
-
0.050
-
-
0.0020
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Table 87. UFBGA64 recommended PCB design rules (0.5 mm pitch BGA)
Dimension
Recommended values
Pitch
0.5
Dpad
0.280 mm
Dsm
0.370 mm typ. (depends on the soldermask
registration tolerance)
Stencil opening
0.280 mm
Stencil thickness
Between 0.100 mm and 0.125 mm
Pad trace width
0.100 mm
Table 86. UFBGA64 – 64-ball, 5 x 5 mm, 0.5 mm pitch ultra profile fine pitch
ball grid array package mechanical data (continued)
Symbol
millimeters
inches(1)
Min
Typ
Max
Min
Typ
Max



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