17 Nov
2005
17 Nov
'05
2:20 p.m.
In most cased you could replace a PAL with a GAL, as
long as the speed
of the part was correct.
The main exception being the PALs with XOR terms (16X4, etc IIRC).
What's the part? if it's something like a 16L8 or a 22V10 then you
should have no problem.
It is possible to 'program' a pal such that it can't be read. If your
For the record, this applies to GALs too. I _think_ you can still 'bulk
erase' and re-use GAL that's been protected, but you can't read out the
programming pattern.
-tony