US Sources for old ICs

[Allison]

>
>Subject: Re: US Sources for old ICs
>   From: Paul Koning <pkoning at equallogic.com>
>   Date: Wed, 26 Oct 2005 11:43:57 -0400
>     To: cctalk at classiccmp.org
>
>>>>>> "Joe" == Joe R <rigdonj at cfl.rr.com> writes:
>
> Joe> The small surface mount only packages are a BIG problem for
> Joe> individuals that want to build a single circuit. A friend of
> Joe> mine designs and builds a lot of circuits commercailly and he's
> Joe> always raising hell with the IC manufacturers and trying to get
> Joe> them to produce chips in DIP packages. I keep telling him that
> Joe> it's hopeless.
>
>There's at least one company that builds SMT to DIP adapters, so you
>can plug SMT packaged chips into DIP prototyping systems and the like.
>
>Of course manufacturers don't want to use DIPs.  They are electrically
>inferior.  For that matter, they are also obsolete -- if they made DIP
>packaged chips they would certainly be very low volume products.
>
>I understand the preference for DIPs in amateur work, though SMT isn't
>really all that hard.  But I can't imagine any reason for wanting DIPs
>in new commercial designs.  They are bigger, slower, not RoHS
>compliant, ...
>

I prefer the larger SMT parts but I don't get worked up if what I get 
is what I can get.  At upper HF and VHF/UHF SMT is the way to go even 
if your doing deadbug (ugly over groundplane).

Allison