Hi
I constantly see on ebay sales that say they are
auctioning a 1702. Closer looks show them to be
1702A's. The 1702/1701/1602/1601 were the first
EPROM, not the 1702A. Still, they state that these
were the first EPROM. You can't even program them
with the same algorithm.
Just an observation.
Dwight