[sdiy] Art of electronics computer

[David Anderson]

Tim's not the only 1802 fan left in the world:
http://www.sparetimegizmos.com/Hardware/Elf2K.htm
http://www.retrotechnology.com/memship/memship.html

The 1802 was available in silicon on sapphire, which gave it greater 
resistance to radiation than most ICs at the time.

It's apparently still being used in new designs.



On 1/9/2012 12:17 PM, Tim Daugard wrote:
> From: "Harry Bissell" <harrybissell at wowway.com>
>
>
>> 1802 ?  are you planning some rad-hard sequencer or something ?"   :^)
>>
>> (for those not in the know, the 1802 has superior performance in 
>> radiation environments due to the
>> forgiving nature of its CMOS process and large (gigantic, by today's 
>> standards) geometry.
>>
>> Perhaps the last things on earth will be a dead flower and a live 
>> cockroach, jamming to your 1802 beat box...
>
> I'm in the process of installing Mag Core memory chips also. That 
> should help keep the system running for a thousand years.
>
> Tim Daugard
> AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
>
> No longer on line: http://members.cox.net/synthfred/h_toctop.htm 
> (Fred's online edition)  }:-(
>
>
>
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