Giles L. Honeycutt wrote:
>
> I just wanted to mention that the ATMEL 24C64 is also a 2 byte address,
> so you are not using up using up any of your address pins for banking.
> You are right to point this out, as I think I have seen someone post
> in the past with a part that uses all it's address lines and mentioned
> banking, and that is not possible.
>
>            Giles L. Honeycutt
>            gilesami@ix.netcom.com
>
> Wireless Scientific wrote:
> > well then, like others have mentioned, serial flash comes in a variety of
> > sizes and with I2C you can gang them up for more storage. I evaluated the
> > Xicor 24F128 part and found that it's addressing scheme is preferrable to
> > other serial flash parts in that it uses two full bytes for the address (as
> > opposed to inter-mixing high address bits and other bits in the packet
> > preamble). The 24128 worked great with a C program I wrote. ( I actually
> > implemented fopen, fwrite, fread and fclose as well as a dir structure for
> > simultanously accessing multiple open files, please don't ask for the
> > source code).
> >
> > my advice after doing this, you need to determine your real data storage
> > requirements, looking at it in terms of can i store my data in two parts
> > (or maybe more). if you get to use the smaller parts, second source
> > availibilty is great. if you are forced to choose between the larger parts,
> > your code might not tolerate vendor switches because of the addressing
> > format.
> >
> > craig
http://www.atmel.com/

        B.Regards
                Saras.