> I also need an RTC and was planning to keep it alive with backup power di= rectly from > the battery while the rest of the circuit is off. You may want to think about the contents of this forum thread before using = a microchip one ... http://www.microchip.com/forums/tm.aspx?m=3D701149&high=3D This updated data sheet appeared on the recently released data sheets overn= ight ... http://ww1.microchip.com/downloads/en/DeviceDoc/25010E.pdf --=20 Scanned by iCritical. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .