Unidentified chip

John Robertson jrr at flippers.com
Tue Aug 4 13:40:54 CDT 2015

On 08/04/2015 9:25 AM, Noel Chiappa wrote:
> So, I took Tony's advice (about parts) to heart, and have been stocking up on
> all sorts of things. (Ironically, I now have a _far_ better supply of parts
> that I had access to, back in the day, at LCS at MIT! But that's a rant for
> another day.)
> As part of that, I've bought up a number of IC collections, to build up a
> stock of 74xxx parts in various families (S, LS, etc). Along with them, I have
> acquired a lot of stuff I don't need (e.g. CMOS parts), and at some point I'll
> offer them here, for trade, for people who do have a use for them. (The PDP-11
> systems I'm interested in basically don't use them.)
> As I've finished sorting and filing all that stuff, I'm left with a few things
> I can't ID. The most prolific one (I think I have about 6 tubes full :-) is
> something I'd appreciate a hand with: it might be some super-rare chip that
> people would love to find, or something.
> It's a 16-pin DIP, with the following on it (in three separate lines):
> "1028126", "D39315-A", and "CS9336P". The first number looks like the numbers
> I've seen on a couple of other un-identified chips, made by TRW. (I hope they
> aren't something classified I'm not even supposed to have! :-)
> Anyone have any idea what these things are?
> Thanks!
>         Noel
You could always get one of those inexpensive TTL device identifiers to 
see if the house number crosses over:


John :-#)#

John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
"Old pinballers never die, they just flip out"

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