Core memory emulator using non volatile ram.

[Rod G8DGR]

1201.. 1201 ..  Processing large amount of data...
Rod


Sent from Mail for Windows 10

From: Bob Rosenbloom via cctalk
Sent: 15 December 2018 16:45
To: cctalk at classiccmp.org
Subject: Re: Core memory emulator using non volatile ram.

On 12/15/2018 1:22 AM, Rod G8DGR via cctalk wrote:
> I have an idea to produce an MM-8  clone using RAM that acts like core when turned off.
> Can anybody suggest a chip that will do this?
>
> Rod Smallwood
>
>
> Sent from Mail for Windows 10
>
>
I used Everspin MRAM chips for my PDP-8e memory cards. It's just like 
SRAM, fast at 35 ns, and unlimited read/write endurance.
Only drawback is it's 3.3 volts only. I just used level converters. It's 
a magnetoresistive memory, feels just like core.
$12 for a 64K x 16 chip at Digikey.

Bob

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