Music “Daft Punk – Get Lucky (Dualtrax Chiptune Cover)” by dualtrax
You may want to take a look at all fonts provided by the script: ASCII Fonts Grid
Update (27 Sept 2013): The script has been updated based on the comments. It should now work properly with CS5, CS6, and CC (and perhaps with older versions but not tested).
Select at least one text layer
Choose an ASCII font
Click on Generate