MOTM

The SSM2220 is still in production (analog devices) so it's not 
really an exotic chip. Just solder it in. But if they discontinue it, 
then grab a few spares.

At 7:17 PM +0000 2005/05/21, Greg Amann wrote:
>Yes, I did my homework and searched the message archives and I found
>no specific references to these questions, so here goes:
>
>1.- I am now building a MOTM-420 which uses the SSM2220.  Is this part
>or any MOTM part rare enough that I should be buying spares?
>
>2.- I have not been putting any of the gerden-variety ICs in sockets,
>just soldering them into the PCB.  I mean a 555 is worth what, $0.50?
>  But what about the comparatively exotic SSM chips?
>
>Am I unduly concerned?