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mmg
PostPosted: Mon May 15, 2006 5:06 pm 
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Joined: Mon May 15, 2006 5:02 pm
Posts: 1
Hi

I need to find a replacement for RTC M3003. I use this rtc in a board with 6502.
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8BIT
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PostPosted: Mon May 15, 2006 10:08 pm 
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Joined: Fri Aug 30, 2002 9:02 pm
Posts: 1745
Location: Sacramento, CA
I could not find a datasheet for the M3003. National Semiconductor has a parallel access RTC chip that might work for you.

http://www.national.com/ds/DP/DP8573A.pdf


Or, check out the Maxim line of RTC chips.

http://para.maxim-ic.com/results.mvp?q= ... e%20Clocks


Daryl
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