Leo TImmer wrote:
> 
> Philips offers the PCF8553 clock/calendar with 240*8bit ram and the PCF8593
> low power version with 8byte ram. Try
> http://www-us.semiconductors.philips.com/
> Leo

It is a nice chip, but watch out - if you inadvertantly 
write '11' to the setup bits, you're screwed. '11' Puts 
the chip into a test mode, and you have to power-cycle 
it to get it to recover. This 'feature' is pretty 
dangerous if you have a volume application.

-- 
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