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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32WL55JC датащи(PDF) 138 Page - STMicroelectronics |
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STM32WL55JC датащи(HTML) 138 Page - STMicroelectronics |
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138 / 147 page  Package information STM32WL55/54xx 138/147 DS13293 Rev 2 6 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. 6.1 UFQFPN48 package information This UFQFPN is a 48 leads, 7x7 mm, 0.5 mm pitch, ultra thin fine pitch quad flat package. Figure 30. UFQFPN48 - Outline 1. Drawing is not to scale. 2. All leads/pads should also be soldered to the PCB to improve the lead/pad solder joint life. 3. There is an exposed die pad on the underside of the UFQFPN package. It is recommended to connect and solder this back-side pad to PCB ground. A0B9_ME_V3 D Pin 1 identifier laser marking area EE D Y D2 E2 Exposed pad area Z 1 48 Detail Z R 0.125 typ. 1 48 L C 0.500x45° pin1 corner A Seating plane A1 b e ddd Detail Y T |
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