> On Tue, 15 May 2001 13:45:06 +0200 Hans Franke
> <Hans.Franke_at_mch20.sbs.de> wrote:
> > When where the first 74xx ICs released / designed ?
> Late 1960s/Early 1970s, I think.
> > Especialy when where complex chips like 744x, 748x or
> > 74181 first mentioned/available ?
> Probably early 1970s.
Maybe I should specify my question ... I need to know
at what date these chips where at first available -
not just the era. A good single IC to use could be the
74181 ALU.
> The story I've heard is that Texas Instruments wanted to
> build a computer for oilfield instrumentation (hence the
> name of the company). They built it by first designing a
> range of SSI (Small-Scale Integration) gates as TTL chips,
> then building the system with them. The chips were sold as
> the 7400, 7401, and so on, and the rest is history!
:))
> I have a 74 TTL design guide at home, so I'll check it too.
The oldest datasheet I could find says Dec 1972 for the 74S181
Gruss
H.
--
VCF Europa 3.0 am 27./28. April 2002 in Muenchen
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Received on Tue May 15 2001 - 09:07:43 BST