[time-nuts] Subs for obsolete chips in pictic

J. L. Trantham jltran at att.net
Thu Dec 29 18:51:28 EST 2011


Eric,

If you go for the 100, I'll take 10.

Joe

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Eric Garner
Sent: Thursday, December 29, 2011 12:00 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Subs for obsolete chips in pictic

I located a supply of 74AC175PC for $2 USD at qty 100. I still need 2 of
them to finish off all of my PICTIC II's (I have 3 completed). Are there
still some available from people willing to part with some? or is there
enough interest in  that I could distribute enough of them to list members
at cost to make an order worth while?

-Eric

On Mon, Dec 19, 2011 at 10:37 AM, Attila Kinali <attila at kinali.ch> wrote:

> On Mon, 12 Dec 2011 09:42:14 -0800
> Chris Albertson <albertson.chris at gmail.com> wrote:
>
> > Thanks.   The  findchips.com suggestion was good.  Seems the "74AC"
> > part really is not available but there is a "CD74ACxxx" part that
> > looks good.
>
> The CD at the front just means it's from TI instead someone else.
> The parts are the same.
>
> > The problem is, the PCB is already made so it is hard to adapt the
> > design to other parts.   If I were designing from scratch I'd only
> > select parts that were stocked in high volume by most distributers
>
> Not really. Using SMD parts instead of DIL is easy to do. They have
> the same pinout, just half the size. So a little bit of glue, a few
> wires and a steady hand are all that is needed to fit one of those in.
> Alternatively, there are break out boards from SOP/SSOP/SOIC to DIL
> (but they cost more than it's worth)
>
>                                Attila Kinali
>
> --
> Why does it take years to find the answers to
> the questions one should have asked long ago?
>
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-- 
--Eric
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