Apollo Guidance Computer

Chuck Guzis cclist at sydex.com
Sun Sep 21 13:23:00 CDT 2008


On 21 Sep 2008 at 10:42, bfranchuk at jetnet.ab.ca wrote:

> But that is what made it special - the components at the time.
> They have 3 input NOR's in tiny logic, so do smaller PCB's
> if you want a smaller system. :)

One could also make use of transistor arrays to recreate the original 
RTL part.  Given that there were some 5000 of these packages in the 
original (IIRC), that might make for a project a bit too large to 
chew.  Given that integration is used to decrease this package count 
by 9/10ths, what's the problem with substituting some programmable 
logic?  How is that "less authentic" than substituting MSI TTL for 
SSI RTL?  One could use the extra space in the rack to store a six-
pack of one's favorite beverage. :)

Cheers,
Chuck




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