They were made by General Instrument, the forerunner of Microchip.

> Made by Microchip?  Those chips are from the '82-'84 erra.  Was Mchip even
> around then?
>
> Karl A. Uscroft wrote:
>
> > We have lots of AY3-8910 chips on various boards at work (Amusement
> > Arcade) and I want to use one in a helicopter ride (for kids), you know
> > up down, coin in, that sort of thing.  Running the whole show from a
> > 16F84 but would like some sound.
> >
> > So does anyone have a datasheet for the above or any other good sound
> > chips. Would like one that could record sounds and play back, pilots
> > talking and the like (that reminds me must get some helicopter sounds on
> > tape).  Can't find anything.  One more thing the AY3-8910 is made by
> > Microchip but there's nothing on there web page (::scratches head and
> > wonders why::).
> >
> > Thx Karl.
>