The guys over at hackshed have been busy. [Carl] is making programmable logic design easy with an 8 part CPLD tutorial. (March 2018: Link dead. Try the Wayback Machine.) Programmable logic devices are ...

Texas Instruments has introduced six programmable logic devices with between 8 and 14 pins “with the ability to integrate up to 40 combinational and sequential logic and analogue functions into one ...