Core memory emulator using non volatile ram.
systems.glitch at gmail.com
Sat Dec 15 12:58:26 CST 2018
FRAM is destructive read on the die, from what I understand. It's just that
the onboard controller takes care of it for you, much like a core subsystem.
On Sat, Dec 15, 2018 at 1:55 PM Chuck Guzis via cctalk <
cctalk at classiccmp.org> wrote:
> On 12/15/18 10:01 AM, Guy Sotomayor Jr via cctalk wrote:
> > FRAM or MRAM. I make extensive use of them in my projects.
> > Everspin has a few (all SMT and 3.3v). As I recall they run ~$20/ea for
> 4Mb (512K x 8 or 256K x 16).
> As neither MRAM nor FRAM requires a write-after-read refresh, I fail to
> see the "realism" in this that couldn't be satisfied with simple
> battery-backed RAM or even flash-backed RAM.
> Yes, MRAM is magnetic, but ti's not the same principle as real core.
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