Altera's complete memory interface design solutions address today's high-speed memory interface challenges such as memory controller, I/O design, and board-level signal integrity issues. Altera's solutions include advanced device architectures, customizable MegaCore® functions, Quartus® II design software, reference designs, demonstration boards, and simulation models, accompanied by a rich set of technical documentation.
- View the demo video and learn how to interface 1,067-Mbps DDR3 Memory to Stratix® III FPGAs
- View the free 25-minute Stratix III DDR3 SDRAM webcast
- Sign up for instructor-led training on interfacing to external memories with Altera® FPGAs
Table 1 lists external memory interfaces supported by Altera FPGAs and HardCopy® ASICs.
| Table 1. External Memory Interface Support | |||||
| Device | Memory Type | ||||
|---|---|---|---|---|---|
| DDR3 SDRAM | DDR2 SDRAM | DDR SDRAM | RLDRAM II | QDRII/+ SRAM | |
| Stratix IV | 1,067 Mbps 533 MHz |
800 Mbps 400 MHz |
400 Mbps 200 MHz |
1,600 Mbps 400 MHz |
1,600 Mbps 400 MHz |
| Stratix III | 1,067 Mbps 533 MHz |
800 Mbps 400 MHz |
400 Mbps 200 MHz |
1,600 Mbps 400 MHz |
1,600 Mbps 400 MHz |
| Stratix II and Stratix II GX |
- | 667 Mbps 333 MHz |
400 Mbps 200 MHz |
1,200 Mbps 300 MHz |
1,200 Mbps 300 MHz |
| Stratix and Stratix GX |
- | - | 400 Mbps 200 MHz |
400 Mbps 200 MHz |
800 Mbps 200 MHz |
| Arria® II GX (1) | 600 Mbps 300 MHz |
600 Mbps 300 MHz |
400 Mbps 200 MHz |
- | 1,000 Mbps 250 MHz |
| Arria GX | - | 466 Mbps 233 MHz |
400 Mbps 200 MHz |
- | - |
| Cyclone® III | - | 400 Mbps 200 MHz |
333 Mbps 167 MHz |
- | 668 Mbps 167 MHz |
| Cyclone III LS |
- |
333 Mbps |
300 Mbps |
- |
600 Mbps |
| Cyclone II | - | 400 Mbps 200 MHz |
333 Mbps 167 MHz |
- | 668 Mbps 167 MHz |
| HardCopy IV (1) | 1,067 Mbps 400 MHz |
667 Mbps 333 MHz |
400 Mbps 200 MHz |
1,600 Mbps 400 MHz |
1,400 Mbps 350 MHz |
| HardCopy III (1) | 800 Mbps 400 MHz |
667 Mbps 333 MHz |
400 Mbps 200 MHz |
1,600 Mbps 400 MHz |
1,400 Mbps 350 MHz |
| HardCopy II | - | 533 Mbps 267 MHz |
400 Mbps 200 MHz |
1,000 Mbps 250 MHz |
1,000 Mbps 250 MHz |
Note:
- Subject to characterization.
