need help with IC wiring

Check out my projects
http://www.thebox.myzen.co.uk/Hardware/Hexome.html
I use three TLC chips and only multiplex 4:1 so that the LEDs are on for longer and so they are a bit brighter.

This project used just one for a 4 X 4 matrix:-
http://www.thebox.myzen.co.uk/Hardware/Mini_Monome.html

You can get the arduino / TLC connections I used. However it depends on what driver you are using as to what pins to use.