i need to interface a nor flash with spartan 3, basically plan on
running a soft micro controller in the fpga and need a flash for code
memory.

now searching mouser and digikey i wasn't able to find a lot, there
is p33 by numonyx, but i was looking for a model which has alteast a
couple of pin compatible devices for future compatibility if one stops
manufacturing.

can any one please help me out over here

regards