On Tue, Feb 16, 2016 at 12:06 PM, Brent Hilpert <hilp...@cs.ubc.ca> wrote: > Apparently there actually is an equivalent EPROM, according to this > datasheet for the MM4203/MM5203 EPROM: > http://www.datasheetarchive.com/dl/Scans-006/Scans-00137265.pdf > > It states they are pin-compatible to the MM5213/MM5231 mask ROMs.
Interesting. I checked the MM5204, but not the MM5203. The MM5203 requires wiring for pins 22 and 23 that the MM5231 doesn't, but other than that it does appear the same.
