Try with holtek«s HT1380,it«s cheap and works fine !!!
Javier


-----Mensaje original-----
De: Roland Andrag <randrag@ICON.CO.ZA>
Para: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Fecha: Viernes 14 de Mayo de 1999 14:39 p.m.
Asunto: [OT] Real time clock


>Hello again..
>
>Another off topic - I need to implement a clock that can keep time over a
>few months or even a year, including date.  This is such a common thing
(how
>many millions of digital watches in the world?) that there must be a one
>chip solution - does anyone know what it is?
>
>Thanks
> Roland