"Jerome H. Fine" <jhfinedp3k at compsys.to> writes:
AM27512DC
[...]
What are they? It is obvious they are an EPROM.
27512s are 64 kilobyte EPROMs. (2716 are 2K, 2732 4K, and so on.)
The digits after the '27' are the capacity in kilobits. 512kbits =
64kbytes, etc.
-tony