[sdiy] Organ parts and help identifying IC

[Paul Schreiber]

SG = Silicon General, a long-gone supplier of ICs from the mid-70s.

Paul S.


----- Original Message ----- 
From: "Chris Strellis" <Chris at crystalvision.tv>
To: <flightofharmony at comcast.net>; <synth-diy at dropmix.xs4all.nl>
Sent: Wednesday, October 04, 2006 10:57 AM
Subject: RE: [sdiy] Organ parts and help identifying IC


> >Can anyone identify this ic?  Metal can, 8-lead, only markings 
>>are SG8190 7419.
> 
> 7419 sounds like a date code i.e the IC was made on the 19th week of 1974.
> 
> HTH
> 
> Chris
>