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STM32MP157C датащи(PDF) 239 Page - STMicroelectronics |
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STM32MP157C датащи(HTML) 239 Page - STMicroelectronics |
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239 / 260 page ![]() DS12505 Rev 5 239/260 STM32MP157C/F Package information 254 7 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 7.1 TFBGA257 package information This TFBGA is a 257 balls, 10x10 mm, 0.5/0.65 mm pitch, low profile fine pitch ball grid array package Figure 64. TFBGA257 - Outline 1. Drawing is not to scale. 2. The tolerance of position that controls the location of the pattern of balls with respect to datums A and B. For each ball there is a cylindrical tolerance zone eee perpendicular to datum C and located on true position with respect to datums A and B as defined by e. The axis perpendicular to datum C of each ball must lie within this tolerance zone B02Y_ME_V1 D E F1 e1 e2 F2 E2 E1 F1 e2 F2 D2 D1 K H D A B C E F G J L M N P R U T V W A B 1H 1D 1A 1B 1C 1E 1F 1G 1J Peripheral ball matrix pitch 0.5 mm Central ball matrix pitch 0.65 mm 1 2 3 4 5 6 7 8 9 10 11 12 15 13 14 16 17 18 19 1 2 3 4 5 6 7 8 9 A1 ball pad corner b (257 balls) eee M C A B fff M C A A1 A2 SEATING PLANE C ddd C BOTTOM VIEW TOP VIEW SIDE VIEW e1 |
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