[sdiy] What is this IC?

[fmg]

Hi Scott,

My ECG says:

221-235 > ECG992

and my Anti-ECG says:

ECG992 > 2900N, CA3401E, LM3900

Hope it helps

Fabio Gonzalez


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