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STM32F479AI 数据表(PDF) 197 Page - STMicroelectronics |
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STM32F479AI 数据表(HTML) 197 Page - STMicroelectronics |
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197 / 208 page ![]() DocID028010 Rev 2 197/208 STM32F479xx Package information 206 Figure 85. UFBGA176+25 - 201-ball, 10 x 10 mm, 0.65 mm pitch, ultra fine pitch ball grid array package recommended footprint Table 118. UFBGA176+25 recommended PCB design rules (0.65 mm pitch BGA) Dimension Recommended values Pitch 0.65 mm Dpad 0.300 mm Dsm 0.400 mm typ. (depends on the soldermask registration tolerance) Stencil opening 0.300 mm Stencil thickness Between 0.100 mm and 0.125 mm Pad trace width 0.100 mm |
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