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STM32L412R8U6PTR 数据表(PDF) 167 Page - STMicroelectronics |
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STM32L412R8U6PTR 数据表(HTML) 167 Page - STMicroelectronics |
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167 / 192 page ![]() DS12469 Rev 8 167/192 STM32L412xx Package information 189 Figure 39. LQFP64 - Recommended footprint 1. Dimensions are expressed in millimeters. Device marking The following figures give examples of topside marking orientation versus pin 1 identifier location. The printed markings may differ depending on the supply chain. Other optional marking or inset/upset marks, which identify the parts throughout supply chain operations, are not indicated below. E3 - 7.500 - - 0.2953 - e - 0.500 - - 0.0197 - K 0°3.5° 7° 0°3.5° 7° L 0.450 0.600 0.750 0.0177 0.0236 0.0295 L1 - 1.000 - - 0.0394 - ccc - - 0.080 - - 0.0031 1. Values in inches are converted from mm and rounded to four decimal digits. Table 94. LQFP64 - Mechanical data (continued) Symbol millimeters inches(1) Min Typ Max Min Typ Max 48 32 49 64 17 1 16 1.2 0.3 33 10.3 12.7 10.3 0.5 7.8 12.7 ai14909c |
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