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Quartus II Memory Requirements

Using advanced place-and-route algorithms, Quartus® II software offers some of the lowest memory requirements in the industry. For 90-nm device families and earlier, please see the Quartus II readme file for memory requirements.

Many factors impact memory requirements, including device utilization and timing constraints.

Table 1. Stratix® III L FPGA Memory Requirements
  Windows UNIX/Linux
32-Bit 64-Bit 32-Bit 64-Bit
Device Typical Peak Typical Peak Typical Peak Typical Peak
EP3S50 1.0 GB 1.5 GB 1.5 GB 2.0 GB 1.0 GB 1.5 GB 1.5 GB 2.0 GB
EP3S70 1.0 GB 1.5 GB 1.5 GB 2.0 GB 1.0 GB 1.5 GB 1.5 GB 2.0 GB
EP3S110 1.5 GB 2.0 GB 2.0 GB 3.0 GB 1.5 GB 2.0 GB 2.0 GB 3.0 GB
EP3S150 1.5 GB 2.0 GB 2.0 GB 3.0 GB 1.5 GB 2.0 GB 2.0 GB 3.0 GB
EP3S200 2.0 GB 3.0 GB 3.0 GB 4.0 GB 2.0 GB 3.0 GB 3.0 GB 4.0 GB
EP3S260 3.0 GB 4.0 GB 4.0 GB 6.0 GB 3.0 GB 4.0 GB 4.0 GB 6.0 GB
EP3S340 3.5 GB 4.0 GB (1) 5.0 GB 8.0 GB 3.5 GB 4.0 GB (1) 5.0 GB 8.0 GB

Table 2. Cyclone® III FPGA Memory Requirements
  Windows UNIX/Linux
32-Bit 64-Bit 32-Bit 64-Bit
Device Typical Peak Typical Peak Typical Peak Typical Peak
EP3C5 256 MB 384 MB 384 MB 512 MB 256 MB 384 MB 384 MB 512 MB
EP3C10 256 MB 384 MB 384 MB 512 MB 256 MB 384 MB 384 MB 512 MB
EP3C16 256 MB 384 MB 384 MB 512 MB 256 MB 384 MB 384 MB 512 MB
EP3C25 384 MB 512 GB 512 MB 768 MB 384 MB 512 GB 512 MB 768 MB
EP3C40 512 MB 768 MB 512 MB 1.0 GB 512 MB 768 MB 512 MB 1.0 GB
EP3C55 768 MB 1.0 GB 1.0 GB 1.5 GB 768 MB 1.0 GB 1.0 GB 1.5 GB
EP3C80 768 MB 1.0 GB 1.0 GB 1.5 GB 768 MB 1.0 GB 1.0 GB 1.5 GB
EP3C120 1.0 GB 1.5 GB 1.5 GB 2.0 GB 1.0 GB 1.5 GB 1.5 GB 2.0 GB

Note:

  1. Full or very complex EP3SL340 device designs may require a 64-bit version of the Quartus II software.

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