Help identifying IC

[Josh Dersch]

Thanks, all!  I'll start digging into clock ICs and see if anything looks
like it matches what's in there.

- Josh


On Sat, Jan 20, 2018 at 11:03 PM, Ethan Dicks <ethan.dicks at gmail.com> wrote:

> On Sat, Jan 20, 2018 at 9:06 PM, Josh Dersch via cctalk
> <cctalk at classiccmp.org> wrote:
> > Hi all --
> >
> > I picked up this little toy at VCF West last summer:
> >
> > https://1drv.ms/i/s!Aqb36sqnCIfMouYd0HV0ZThE3FnE_Q
>
> Cute!
>
> > As far as I can tell, it's supposed to be a clock
>
> Sure looks like one.
>
> > Can't find anything about this item at all.  At the moment I'm curious
> what
> > the 28-pin IC at the top is
>
> There are a number of 28-pin clock ICs from the era...
>
> MK50250
>   http://www.waynekirkwood.com/images/pdf/MK50250_Clock.pdf
>
> MM5313 / MM5315
>   http://www.sphere.bc.ca/test/nixies/mm5309-5311-5312-5313-5314-5315.pdf
>
> I'm sure there are more.
>
> -ethan
>