[sdiy] Old Motorola parts ID

[Colin Hinz]

On Wed, 30 Jun 2004 mirwin at qouest.net wrote:

> Hi List,
> Recently obtained a box of some truly vintage Motorola chips - datecodes
> appear to be 1964 and 1965 (this is believable since a few tunnel diodes
> were also included)
>
> The chips are MC353G  MC355G  MC356G  MC357G MC358G  MC359G
>
> These are all in gold-plated metal can packages, not DIPs, most having
> 10 pins.... with that datecode they are certainly not BIFET op amps.
> Anyone have any idea what these are? Op amps perhaps? RTL?

Any luck with this? I've got a similar situation -- a couple of MC251G
ICs, which like yours are in gold-plated metal cans with 10 pins, and
date-coded 1965. I've no earthly idea what they are, either.

- Colin Hinz
  Toronto, Canada