[time-nuts] Subs for obsolete chips in pictic

Shawn shawn at xmtservices.net
Mon Jan 2 19:56:32 UTC 2012


I'll also take 10. 

Shawn

Sent from my iPhone

On Dec 29, 2011, at 15:51, "J. L. Trantham" <jltran at att.net> wrote:

> 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
> _________________________________________
> Eric Garner
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