How do you hook up external ram to the arduino? The IC in question is the 23k640. How do I attach it to the arduino and is it possible to add more? Its only 64kbit I'd like to double that if possible. I could buy another 128KBit chip but I have a few 640's already.
In the playground I saw the I2CEEPROM example, but I dont think that it would apply to the chip I have selected.
Basically I've always wanted to make an old style, super basic computer and build more complex ones as I know more. I've seen people use AVR's and some shift registers to replicate really old computers (Kenbak-uino). Can anyone show me references I might be missing or anything?