Using Cascade Chain

• Cascade Chains Can Improve Density, Performance

• LEs Locked Together, Challenging Fitting of Logic

• Recommendations

  • No More Than 20% of the FLEX Device Should Use Cascade Chains
  • Maximum Length Should Be 2 LEs for Performance
  • Cascade Chains Longer Than 2 LEs May Still Provide Utilization Advantages

• Further Reading

  • AN 36: Designing with FLEX 8000 Devices
  • MAX+PLUS II Online Help: Search on “Cascade”

이전 슬라이드

다음 슬라이드

첫 슬라이드로 이동

그래픽 버전 보기