25 Dec
2009
25 Dec
'09
8:58 p.m.
Alexis wrote:
On Fri, 25 Dec 2009 09:04:59 pm Geoffrey Reed wrote:
One of the Dallas devices (Maxim these days) would work well for you,
Geoffrey - and most eprom programmers can erase and reprogram them -
actually you just dump the fresh data in, it simply over-writes the old.
Data retention of 10 years at a minimum, when you are happy with the
code then burn to a 2732 (I have lots of them if you are near Vancouver,
BC).
http://para.maxim-ic.com/en/search.mvp?fam=memory&489=NV%20SRAM&232…
John :-#)#
--
John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
www.flippers.com
"Old pinballers never die, they just flip out"
Does anyone have a stash of them? I have one fo
them and it is getting old
burning it, testing the device, erasing it, and burning different code into
it, lather ? rinse ? repeat.
Perhaps you could use an EEPROM? I use them for just about everything because
I don't have an eraser.
If pins compatibility is an issue, you can put the EEPROM into two machine
sockets stacked on top of each other, then break off the pins from the middle
socket and route wires to where they should go.
Alexis.