5 Sep
2007
5 Sep
'07
6:35 a.m.
On 4 Sep 2007 at 22:41, Ethan Dicks wrote:
GALs and PALs are similar devices, with a few key
differences... PALs
are bipolar devices, and are programmable once. GALs are made of
newer technologies, like FLASH or EAROMs, thus can be erased and
reprogrammed a number of times.
...and all of the relatives, such as EPLD and PEEL. Out of vogue
today, but really cool when they first came out--and a foreshadowing
of FPGAs and CPLD. Still can be very handy for fitting a medium-
hairy functionality into a 20-pin DIP.
Cheers,
Chuck