This is a very curious implementation of a simple FPGA with 7400 ICs. As it is easy to find this kind of NAND gate chips, the circuit becomes easier to be implemented.
"Building a microcontroller or CPU out of discrete logic is a popular hobbyist pursuit, and it serves a useful purpose. Building a CPU from scratch teaches you a lot about CPU architecture…Continue
Added by GarageLab on November 7, 2012 at 8:52am — No Comments