In Architecture / MAX+plus II
Carry Chains for Arithmetic Functions and Cascade Chains for Any Wide Fan-In Function Reduce
- LEs Used Overall, Improving Utilization
- LEs Used along Critical Paths, Improving Performance
“Fast” Synthesis Style Improves Performance by Utilizing
- Carry Chains
- Cascade Chains
- Speed-Enhancing MAX+plus II Synthesis Options
No More Than 20% of the FLEX Device Should Use Carry and/or Cascade Chains for Ease-of-Fit (Routability)