> Sorry I didn't mentioned earlier that I wish to power it with a
> battery of 2x 1.5 AAA. Wake up every 2 secs (timer1 preload
> with 0x800000), update the time registers and go to sleep for two
> secs. That's the reason why I was looking at nanowatt

Ah, I see

Still, 19uA isn't too much of a draw. But I know what you mean
about nanowatt. I've some 12F675s that have been doing a
monitoring job for three years on 3 AA, mostly sleeping, and the
battery voltage hasn't budged

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist