Unknown IC

From: Dave McGuire <mcguire_at_neurotica.com>
Date: Mon Oct 15 16:50:24 2001

On October 15, Tony Duell wrote:
> > > Ahh, the 74LS181s are ALUs, as is the 'F582. Interesting that they
> > >used both. I'm curious...what kind of processor is this?
> >
> > Am I the only one who finds it a bit perverse that there are 74xxx standa=
> > rd
> > TTL circuits for such complex functions as ALUs? I thought that the way t=
>
> Actually, what suprises me is how _simple_ the 74181 gate schematic is
> (it's published in most TTL databooks). It doesn't take that long to
> understand how it works.
>
> In terms of the transistor count, I suspect there are TTL chips which are
> more complex than the '181.

  The '181 is even used in the pdp11/04 and /34 if memory serves.
Anyone know of any others?

     -Dave

-- 
Dave McGuire
Laurel, MD
Received on Mon Oct 15 2001 - 16:50:24 BST

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