On 11/05/2010 8:31 PM, Stephen wrote:
> On 11/05/2010 2:29 PM, Mike Raiford wrote:
>>
>> Actually, in the vein of computer science: For the fun of it I'm
>> designing CPU from scratch. I plan to build it with TTL gates
>
>
> Feck! About 35 years ago I built a digital clock out of TTL. It used 30
> amps at 5 volts Vcc. The power supply was bigger than a modern PC.

I just remembered that I download from the net the circuit diagrams of a 
Honeywell H316 which was made using TTL (and ferrite core memory) :-D

-- 

Best Regards,
	Stephen

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