Information about an unknown IC

[Warner Losh]

On Thu, Feb 24, 2022, 12:47 PM Clemar Folly via cctalk <
cctalk at classiccmp.org> wrote:

> This chip is from a cartridge for the Atari 2600. The board is not mine.
> I'm trying to help identify the IC.
>
> It's the PCB of the AtariAge post.
>
> I had already looked in the Texas data book and found nothing.
>

Then it is almost certainly a custom ROM of some flavor

Warner


Thanks.
>
> On Thu, Feb 24, 2022 at 3:44 PM jim stephens via cctalk <
> cctalk at classiccmp.org> wrote:
>
> > The thread with the photograph had an Ebay source for the part.
> >
> > https://www.ebay.com/itm/151010204380
> >
> > doesn't help with function, or with the solder blob jumper purpose (or
> > booboo) but can get the part for some amount if they ship to Brazil.
> >
> >
> > On 2/24/2022 10:24 AM, Bill Degnan via cctalk wrote:
> > > I have a pretty complete set of TI books, there are no chips that begin
> > > with TB-nnnnn.  There are many chips that start with T, but none that
> > match
> > > your chip ID
> > >
> > > On Thu, Feb 24, 2022 at 1:21 PM Paul Koning via cctalk <
> > > cctalk at classiccmp.org> wrote:
> > >
> > >>
> > >>> On Feb 24, 2022, at 1:16 PM, Brent Hilpert via cctalk <
> > >> cctalk at classiccmp.org> wrote:
> > >>> On 2022-Feb-24, at 8:29 AM, Clemar Folly via cctalk wrote:
> > >>>> I'm looking for information about Texas Instruments TB-759933 IC.
> > >>>>
> > >>>> Does anyone have the datasheet or any other information about this
> IC?
> > >>>
> > >>> A search shows this question was posted over here, with a picture:
> > >>>
> > >>
> >
> https://atariage.com/forums/topic/331769-unknown-cart-ic-please-i-need-some-help/
> > >>
> > >> Wow, that's a sorry looking board.  It looks like it was assembled by
> > >> someone using a soldering gun and acid-core solder.  But most plumbers
> > >> would do better work than that.
> > >>
> > >>          paul
> > >>
> > >>
> > >>
> >
> >
>