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PICList Thread
'Serial Y2K Compatible RTC'
1999\04\16@142333 by Sean Breheny

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Hi All,

I have often heard Dallas's series of serial Real Time Clocks recommended
here,and I now have need to use an RTC in a project that I am working on.
However, I am having trouble finding a serial RTC which is also Y2K
compatible! It seems that all of Dallas's Y2K-compatible clocks are
parallel only!

Yes, I know I could compensate for this in my PIC, but it would be a kludge
compared to just getting one which does it by default.

If anyone can help me find a serial RTC which is Y2K compatible, I'd
greatly appreceiate it. I am especially looking for a module which has
built-in xtal and battery.


| Sean Breheny
| Amateur Radio Callsign: KA3YXM
| Electrical Engineering Student
Save lives, please look at
Personal page: ICQ #: 3329174

1999\04\16@171341 by Barry King

I'm using ST Microelectronics M41T11, which has a century bit.  Its
I2C.  You have to add your own watch battery and crystal, but power
switching is internal.

They have a web site, but I can't recall the URL.

Barry King, KA1NLH
Engineering Manager
NRG Systems "Measuring the Wind's Energy"
Hinesburg, Vermont, USA
"The witty saying has been deleted due to limited EPROM space"

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