EPROM emulator II:

This is a revamped version of an EPROM-emulator we published about three years ago. This time we propose to build the circuit with standard size components rather than SMA (surface mount assembly) components, which some of you have found difficult to obtain as weil as handle. The present version of the emulator has a RAM of 64 KByte, and is capable of emulating 2764s up to and including 27512s. Also, by parallel connection of Centronics cables, extensions to bus widths of 16 bits or 32 bits are easier than before.