17 Sep
2007
17 Sep
'07
3:55 a.m.
On 16 Sep 2007 at 19:34, Zane H. Healy wrote:
So the question of the minute is this, is it possible
to substitute a
27C256 for a smaller 27C128?
For reading, sure. The difference is pin 27--PGM/ (program enable/)
in the 128 and A14 in the 256. So program your data into the upper
half of the 256 (or just program two copies of it--then it doesn't
matter if pin 27 is high or low).
Cheers,
Chuck