New logo: Vintage Computer Federation

ben bfranchuk at jetnet.ab.ca
Wed Oct 14 15:45:49 CDT 2015


On 10/14/2015 1:45 PM, Brent Hilpert wrote:

>  From original sources/refs I have kicking around:
>
> 	- The first 54xx devices were introduced by TI in 1965.
>
> 	- 74xx was around by 1966.
>
> 	- H & L was around by 1969.
>
> 	- S was around by 1971.
>
> 	- LS was around by 1973.
>
> 	- ALS was around by 1981. I have a vague recollection of seeing ALS parts with 79 date codes.
>
> I suspect ben(OP) was alluding to when now-current or last-current TTL was introduced.
>

I found a Fast databook from ~1980 from bitsavers.
It is the odd chips that are harder to find like  6 bit identity 
comparator. Not that I need one, but it was on a S100 bus board
I had once.Ben.





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