New logo: Vintage Computer Federation
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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