That's based on my experience, but I did go in and tweaked the offset register in mine over the course of a month or so. I think it has gotten off 3-4 seconds in a year.
On Fri, May 17, 2013 at 1:33 PM, Tom Van Baak <[email protected]> wrote: > > Even something as simple as a Chronodot will hold to a few seconds a > year. > > Eric, > > Are you sure? My understanding is that the Chronodot is based on the > DS3231. Quoting http://datasheets.maxim-ic.com/en/ds/DS3231.pdf we read: > > The DS3231 is a serial RTC driven by a temperature compensated 32kHz > crystal oscillator. The TCXO provides a stable and accurate reference > clock, and maintains the RTC to within ±2 minutes per year accuracy from > -40°C to +85°C. > > /tvb > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
