Wanted - two 27C010-capable EPROM emulators
Philip Pemberton
classiccmp at philpem.me.uk
Sat Sep 3 20:31:33 CDT 2016
On 01/09/16 13:00, Alexandre Souza wrote:
>
> Can't you roll your own? It is SO easy to build one, if you don't
> mind the hassle!?
I was looking at that option, but I still have repressed memories from
the last one I designed :P
Getting the PCB layout onto two layers was hell.
If I did it again, I'd use a CPLD and an FTDI FT240X USB interface, but
most CPLDs are 3.3V -- which leaves level translation to a 5V host.
That might well be the path I take -- a custom-designed EPROM emulator
for the Datatrak unit, to plug into the front-panel EPROM board socket.
I was just hoping to be a little lazy and save some effort :)
Thanks,
--
Phil.
classiccmp at philpem.me.uk
http://www.philpem.me.uk/
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