On Aug 28, 21:04, John Honniball wrote:
Peter Turnbull wrote:
> It's over 10 years old, and it's microprocessor-compatible, but
it's an
> analogue to digital converter chip, not a
computer. It's also not
in
> my spares box, and I need one. Does anyone have
a spare? Or a
data
sheet?
I only have a couple of ZN428 chips, and the data sheet for them. I
may
have data for the ZN448 -- I'll have a look. It
was a Ferranti part,
if that helps at all.
I know it's Ferranti. Unfortunately a ZN428E is the opposite -- a DAC.
--
Pete Peter Turnbull
Network Manager
University of York