Try ftp://ftp.jameco.com/Archive/Obsolete-TechDocuments/26139.pdf
And
http://tinyurl.com/7hd5gf9Dave Challis
> -----Original Message-----
> From:
piclist-bounces@... [mailto:
piclist-bounces@...] On Behalf
> Of jim
> Sent: Saturday, March 17, 2012 9:38 AM
> To:
piclist@...
> Subject: [OT]: Datasheet needed
>
> All,
>
> Would anyone on the list have the datasheet for the National Semiconductor
> DigiTalker Chip Set? Nat Semi part number MM54104.
> It was also sold by Jameco as part number DT1050 (I believe IIRC).
>
> I have searched my stock and files, but can't find the datasheet. I found
the
> chipset, but have no data.
> I have searched the web and can find the pinout and some rough spec's, but
> I need a little more application data.
>
> Yes, I know it is obsolete, but this is a one off (for right now anyway).
> If I need further, I'll try a different chipset.
> But this will prove (or disprove) the concept.
>
> Send any data to me off list if you choose.
>
> Thanks and Regards,
>
> Jim
>
> --
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