Outputs Using Parallel Expanders
Assign output pins which may need parallel expanders to pins adjacent to Macrocells #4-8 or #12-16 within a LAB
These places are where you can borrow the largest number of parallel expanders
Can borrow up to 10 parallel expanders from Macrocell 1 and Macrocell 2
Can borrow up to 15 parallel expanders from the three macrocells immediately above it