Rainbow-electronics DS1254 Uživatelský manuál stáhnout pdf (Strana 17)

DS1254

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DS1254 RECOMMENDED LAND PATTERN (With Overlaid Package Outline)

The DS1254 ball grid array (BGA) is a subset of the industry-standard 40mm BGA format, with all balls

on a 50mil grid. Corner balls have been removed to provide space for the electrical and mechanical

interface features that facilitate attachment of the DS3800 Battery Cap.

0.150

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0.500

NOTE

Note

Ground shield to isolate RTC XTAL from EMI.

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Rainbow-electronics DS1254 Uživatelský manuál Strana 17