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STM32F103CBU6 数据表(PDF) 91 Page - STMicroelectronics |
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STM32F103CBU6 数据表(HTML) 91 Page - STMicroelectronics |
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91 / 105 page ![]() DocID13587 Rev 16 91/105 STM32F103x8, STM32F103xB Package characteristics 104 Figure 53. Recommended PCB design rules for pads (0.5 mm pitch BGA) 1. Non solder mask defined (NSMD) pads are recommended 2. 4 to 6 mils solder paste screen printing process Pitch 0.5 mm D pad 0.27 mm Dsm 0.35 mm typ (depends on the soldermask registration tolerance) Solder paste 0.27 mm aperture diameter Dpad Dsm ai15495 |
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