Knowledge Base Article

Have the Stratix® III timing models been updated since the Quartus® II software version 9.0?

Description

Yes, the Stratix® III timing models have been updated in the Quartus® II software version 9.0 SP1 to address the following problems:

Resolution
  • Added a clock enable path to the M9K and M144K timing models that were missing in the Quartus II version 9.0 and earlier. 
  • Corrected the T4 (DDIO_MUX) timing models  to accurately analyze timing on DDIO output paths. 
  • Corrected the write leveling delay chain timing models to eliminate the possibility of hardware functional failures in designs implementing DDR3 interfaces with leveling. 
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Updated 2 months ago
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