PDP-8 /e/f/m memory

[Bob Rosenbloom]

Don wrote:

> Bob Rosenbloom wrote:
>
>> A supercap can keep low power SRAM alive for many months. The FRAM 
>> will stay unchanged for >10 years.
>
>
> Cycle time?  And, is it byte writeable??  And, does it have
> a durability specification?  (e.g., even an '8 can write
> an address a few million times in a few seconds  :>  )


It looks just like an SRAM but has slightly different timing. It's not 
FLASH.
Check it out at:

http://www.ramtron.com/doc/Products/Nonvolatile/Detail.asp?ID=13&gr=6

Bob