--- Tony Duell <ard_at_p850ug1.demon.co.uk> wrote:
I wrote:
> > build a replica of a DW08...
Errp... a PT08 not a DW08. The DW08 is on a different page and is a
bus converter.
> ...DEC's pre-TTL TTY interface made from W-series and R-series logic.
> > 8 x MC724P "Dual J-K Flip- Flop"
> > 5 x MC724P "Quad Input Gate" (NAND)
>
> I don't believe that the 724 is both a NAND gate and a J-K flip-flop
> :-)...
Strike two! The MC790 is the Dual J-K FF.
> > GND is on pin 4, Vcc is shown to be +3.6 VDC on pin 11...
> Almost certainly RTL. The 3.6V power line is the big clue. I know I
> don't have data sheets for them, but I could probably find pinouts if
> pushed. I guess you have that info on the schematic, though.
Pinouts I got. Physical and electrical specs (and actual parts!) I don't
got.
Thanks,
-ethan
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Received on Wed Mar 06 2002 - 23:34:51 GMT