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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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STM32L072KZ Scheda tecnica(PDF) 140 Page - STMicroelectronics |
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STM32L072KZ Scheda tecnica(HTML) 140 Page - STMicroelectronics |
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140 / 160 page  Package information STM32L072xx 140/160 DS10689 Rev 5 Device marking for WLCSP49 The following figure gives an example of topside marking versus ball A 1 position identifier location. The printed markings may differ depending on the supply chain. Other optional marking or inset/upset marks, which depend on supply chain operations, are not indicated below. Figure 58. WLCSP49 marking example (package top view) 1. Parts marked as “ES”, “E” or accompanied by an Engineering Sample notification letter, are not yet qualified and therefore not approved for use in production. ST is not responsible for any consequences resulting from such use. In no event will ST be liable for the customer using any of these engineering samples in production. ST’s Quality department must be contacted prior to any decision to use these engineering samples to run a qualification activity. Table 90. WLCSP49 recommended PCB design rules (0.4 mm pitch) Dimension Recommended values Pitch 0.4 Dpad 260 µm max. (circular) 220 µm recommended Dsm 300 µm min. (for 260 µm diameter pad) PCB pad design Non-solder mask defined via underbump allowed. MSv37822V1 L072CZ6 Y WW Product identification (1) Ball 1 indentifier Date code Revision code R |
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