Pinout for SED9421

[Tim Shoppa]

"Peter C. Wallace" <pcw at mesanet.com> wrote:

> On Fri, 25 Nov 2005, woodelf wrote:
>
> > Allison wrote:
> >
> >> Either that a Dflop(74LS74), hex D-latch(74LS174) and 32x4 prom(74LS288).
> >> 
> >> 
> > Just for the heck of it,  got a schematic and a prom listing?
> > Did anybody ever use a serial chip and a data separater
> > rather than a floppy disk controler?
>
> Heathkit did with their H89 hard sectored floppy controller....
>
> >
>
> Peter Wallace
>

Also Ohio Scientific, I think that was with an async UART? (Don't
know for sure, but I do know the best way to get the correct information
is to post incorrect information!)

Tim.