4 Mar
2014
4 Mar
'14
5:07 p.m.
My irrational was a poke at some.
The FRAM would have the be level translated, however 74LVC245s come in
DIPs.
-Alan
On 2014-03-04 19:44, Gary Oliver wrote:
(Apologies if duplicate - sent original with wrong
source email
address.)
Why not use an FRAM (e.g. Cypress FM28V020) and completely dispense
with
the batteries? About $15 ea at Mouser. Looks like an SRAM and is 32K
x 8.
-Gary
On 03/04/2014 12:38 PM, David Riley wrote:
> On Mar 4, 2014, at 2:20 PM, Alan Hightower <alan at alanlee.org> wrote:
>
>> I don't think you are going to find enough PDP8 owners for a
>> kickstarter.
>>
>> Sounds like an interesting project. However if you include 1 SMT
>> chip, you could do it with FRAM or MRAM - which are in a way a modern
>> day equivalent of core memory. A nice link to the past.
>>
>> Most people I know who restore old machines, including me, have an
>> irrational disdain for batteries.
> Irrational? Given the damage I've seen batteries do when they leak,
> I'd
> hardly call it irrational.
>
>
> - Dave
>
>