Yes, but what
about the logic necessary to drive it, refresh it, etc?
I certainly know *I* have no idea what is required, and doubt what's
in
my TTL drawers would do the trick.
None trivial to be sure, but probably not rocket science. I'm sure
I've seen a project or two in Elektor (iirc) that used SDRAM. But
a quick flick through a few likely issues failed to produce
anything.
I don;t recall any Elektor projects that used SDRAM. SD cards, yes, but
that's a totally different thing.
I've nto looked recently, how much is SRAM these days? Something like
16Mbytes of it? SRAM is totally trivial to interface to, of course.
I've never had to interface to SDRAM, so I cannot say how hard it
is. But the data sheets are readily available.
It's what the data sheets don't mention that comes back to bite you :-).
Particlaurly things like supply decoupling, ground planes, ground bounce,
and other RF-related subjects that, if you don't take care, will result
in a memory system that'll pass diagnostics but will fail in obscure ways
in real use (don't ask....)
-tony