On Sat, 6 Feb 2016, Chuck Guzis wrote: > You're talking about RTC and perhaps a bit of static RAM maintenance. If this > RTC unit is like most of the same era, the operating voltage range is quite > wide (probably about 2-7V) and sub-1ma current draw. Chargers for this type of > application are usually very low current, so "cooking' some AA cells is a very > remote prospect. This is hardly a power-hungry project.
As a matter of interest I've checked the MC146818 datasheet and it claims a 50µA current draw in the usual configuration with a 32768Hz oscillator. Maciej
