74xx orgin

From: Doug Carman <pdp11_at_bellsouth.net>
Date: Tue May 15 07:31:34 2001

Hans Franke wrote:
>
> When where the first 74xx ICs released / designed ?
> Especialy when where complex chips like 744x, 748x or
> 74181 first mentioned/available ?
>
> This may be a stuipd question, but I couldn't find any
> information ... so all I have is my personal guess (~1970)
> and the oldesd TTL book Philip Belben could find (1972).
>
> Anyone more informed ?
>
> Gruss
> H.
>
> --
> VCF Europa 3.0 am 27./28. April 2002 in Muenchen
> http://www.vcfe.org/

Hello Hans!

DEC introduced their M-series modules that used TTL IC's in 1967. So, I
would say they must have been around prior to that in order for DEC to
have designed the modules around them.

-- 
Doug Carman
pdp11_at_bellsouth.net
Received on Tue May 15 2001 - 07:31:34 BST

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