Programming 2708 (1k x 8)

Eric J. Rothfus eric at rothfus.com
Fri Apr 14 20:56:36 CDT 2006


I was somewhat shocked to find out that my TopMax
EPROM programmer doesn't handle the vintage 2708
1k x 8 EPROM.  A very interesting little EPROM
the 2708.  It requires +5, -5, and 12v.

Anyway, any advice out there for working with
these old little beasties?  I'd like to first
read one, but eventually program them.  Or
maybe I should program the 2716 and substitute
them (with appropriate bent-up pins)?  Maybe,
too, I could read them after telling my TopMax
it is a 2716 and (again) bending up a few pins,
or maybe using a pulled-pin socket.

The 2708's are found in an S100 EPROM card
in my newly acquired Altair.

Eric



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