Is Part# 668-0003 non-RoHS Rabbit 2000 still actively manufactured and if so is there an end of Life for this product

Part# 668-0003 is the obsolete non-RoHS Rabbit 2000.  It has been replaced with the same chip but RoHS.
 
The new part number is Part# 20-668-0003.  This is still the Rabbit 2000.

Current Part# 20-668-0003 will be supported for another 3 years, through 2017.