Well you could attach an I2C device to the PIC.  The Philips PCF8583 has
256 bytes of RAM and clock/calendar services

regards

Gary Gaskell
DSTC
Cooperative Research Centre for Distributed Systems Technology
Queensland University of Technology
Ph    +61-7-864 1051            FAX    +61-7-864 1282
Email gaskell@dstc.qut.edu.au   URL    http://www.dstc.edu.au/intro.html

On Tue, 8 Nov 1994, CtlAltDel wrote:

> > Has anyone implemented a PIC (16C57) with 256Kbytes of
> > dynamic RAM???
>
> You have to be joking.....
>
> > I'm looking into this now - refresh - what a pain...!!!
> >
>
> duh, thats what they invented DRAM controllers for.
>
> > Anyway, anyone that has done this, what's my best option?
> >
>
> go back to school?
>
> >             -  (pablo@austin.ibm.com)
>                                           ^^^^^
>                                          ah, that explains everything
>