logic device families ? help me out here please!
seriously can someone tell me one logic device family and its current levels of integration and its benefits of using it cause i have no clue and i am trying to learn but i cant google is messing me up

 

Works pretty well for me - http://en.wikipedia.org/wiki/Logic_family.

 

I've always liked this link

http://www.interfacebus.com/voltage_threshold.html