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 wrote:
> On Sat, Jan 20, 2018 at 9:06 PM, Josh Dersch via cctalk
> wrote:
> > Hi all
On Sat, Jan 20, 2018 at 9:06 PM, Josh Dersch via cctalk
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.
>
The mid-70s saw a plethora of dedicated-logic LSI TOD clock chips in 24-28 and
sometimes 40 pin packages.
Most prevalent IME were those made by National, Mostek and Fairchild.
Going by the labelling for the other two chips, fair chance the ID of the big
chip is staring right at us: MPS 7123.
Hi all --
I picked up this little toy at VCF West last summer:
https://1drv.ms/i/s!Aqb36sqnCIfMouYd0HV0ZThE3FnE_Q
As far as I can tell, it's supposed to be a clock and I assume it was a
kit -- this one was definitely hand-assembled. It's powered by two AA's
(apparently, there are no