By George, I found it! (was Re: [sdiy] What is this IC?)

[Ken Stone]

Actually, they say it is a CA3401. A LM3900 can be used instead of a CA3401
with no issues, however, the reverse is not true, as the CA3401 does not
have as high a voltage rating to start with. Check the Motorola datasheet
for more info.

Ken


>I think I found it - I believe it's a Jameco part number, for the recently
>maligned LM3900, or a clone thereof.
>
>http://www.jameco.com/Jameco/Products/ProdCT/232Catalog/p072.pdf
>
>Now it all comes back to me - a long while back, I ordered 10 CA3046's, got
>these instead, and Jameco sent me the correct chips and told me not to worry
>about sending these back.  Does Harry work for Jameco, BTW? =-D
>
>So they can be used for synth stuff....  With those dual PNP's and these
>chips, is there an ARP filter in my future?
>
>Cheers,
>Scott
>
>
>----- Original Message -----
>From: "James Patchell" <patchell at cox.net>
>To: "Scott Stites" <scottnoanh at peoplepc.com>; "Synth-Diy at Dropmix. Xs4all.
>Nl" <synth-diy at dropmix.xs4all.nl>
>Sent: Saturday, February 14, 2004 11:02 AM
>Subject: Re: [sdiy] What is this IC?
>
>
>> 221-235 sounds like an in-house part number.  The M8151 is probably a date
>> code (1981, 51st week).  Chances are slim for tracking down what they are,
>> hope you get lucky.
>>
>> At 11:32 AM 2/14/2004 -0800, Scott Stites wrote:
>> >Hi,
>> >
>> >I'm hoping someone on the list can help me identify an IC - I have a tube
>of
>> >ten of them, and I'd like to know if they would be useful in any synth
>> >endeavours.
>> >
>> >They're 14 pin DIP's labeled '221-235'.  Beneath that, they have '014
>> >M8151' printed on them.  There is no manufacturer identifier on them.
>I've
>> >googled and found nothing.  Does anybody know what these things might be?
>> >
>> >Thanks,
>> >Scott
>>
>>          -Jim
>> ***************************************************
>> I'm a man
>> But I can change
>> If I have to
>> I guess.
>>
>> Man's Prayer
>> Red Green
>>
>> ***************************************************
>> http://www.oldcrows.net/~patchell
>>
>> http://members.cox.net/patchell
>>
>> ***************************************************
>>
>>
>>
>
>
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au  
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>