[sdiy] DW8000 CMOS ram

[Travis Shire]

> Check the battery voltage under load! in other words check it at pin 24 on
> the 6116 with the power turned OFF!!!

I stated in the original post what the battery voltage was at the pwr pin of
the IC.


> Best Regards
>
> (Mr) Laurie Biddulph
> Phone: +61 (0)2 4340 0938
> Mobile: 0400 257 645
>
> Elby Designs
> ABN: 70 022 727 605
> http://www.elby-designs.com
> >
> >
> > I'd wonder if the 2.6V is too low
> > for data retention ???   Is the
> > backup battery good ???
> >
> > H^) harry
> >
> >
> > The battery I put in was a pull, but shows just over 3v no load. The
batt
> > v
> > goes through a diode junction before hitting pin 24 on the 6116. This
also
> > has that "angel city" expansion mod. Maybe that's causing problems. My
> > next
> > guess would be that the switching from operate to stby for that ram is
not
> > fast enough. I'll scope the transition and see what's happening.
> >
>