><<   190 milliamp-hours is 190,000 microamp-hours, so at 1 microamp they
>should
> give me 190,000 hours, or about 20 years, eh?
<snip>

>to short out this 10K with 100R to give enough running current. You will need
>a tant capacitor on the power pins  to retain sufficent charge to do the
<snip again>

I would NEVER use a tantalum in a low power situation. I've always
considered them to be high leakage devices - at least 1uA per uF.

        Jim