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STM32F078RB Fiches technique(PDF) 97 Page - STMicroelectronics |
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STM32F078RB Fiches technique(HTML) 97 Page - STMicroelectronics |
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97 / 120 page ![]() DocID026006 Rev 4 97/120 STM32F078CB, STM32F078RB, STM32F078VB Package information 117 Figure 35. Recommended footprint for UFBGA100 package b 0.240 0.290 0.340 0.0094 0.0114 0.0134 D 6.850 7.000 7.150 0.2697 0.2756 0.2815 D1 - 5.500 - - 0.2165 - E 6.850 7.000 7.150 0.2697 0.2756 0.2815 E1 - 5.500 - - 0.2165 - e - 0.500 - - 0.0197 - Z - 0.750 - - 0.0295 - 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 70. UFBGA100 recommended PCB design rules Dimension Recommended values Pitch 0.5 Dpad 0.280 mm Dsm 0.370 mm typ. (depends on the solder mask registration tolerance) Stencil opening 0.280 mm Stencil thickness Between 0.100 mm and 0.125 mm Table 69. UFBGA100 package mechanical data (continued) Symbol millimeters inches(1) Min. Typ. Max. Min. Typ. Max. |
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