At Rambus, we create cutting-edge semiconductor and IP products, spanning memory and interfaces to security, smart sensors and lighting.
DDR Memory Controller IP
Rambus DDR4 and DDR3 Controllers deliver high-bandwidth, and power efficiency while providing full compatibility with the DDR4 and DDR3 industry standards.
| Version | Maximum Data Rate (MT/s) | Controller |
|---|---|---|
| DDR4 | 3200 |  Product Brief |
| DDR4 Multi-modal* | 2400 | Product Brief |
| DDR3 | 2133 | Product Brief |
*Supports DDR4, DDR3, LPDDR3 and LPDDR2
DDR Controller IP
| Feature | DDR4 Controller | DDR3 Controller |
|---|---|---|
| Data Rate (MT/s) | 1600 to 3200 | 800 to 2133 |
| Clock Operation | Half-rate and quarter-rate | Full-rate and half-rate |
| Bank Management | Up to 32 banks | Up to 32 banks |
| SDRAM Feature Support | 3DS device configurations Write CRC Data bus inversion (DBI) Fine granularity refresh Additive latency Per-DRAM addressability Temperature-controlled refresh | ODT Dynamic ODT 2T timing Write leveling calibration |
| Interface to Logic | Native or AXI | Native or AXI |
| DFI Compatible | Yes | Yes |
| Multi-mode Controller Support | Yes | Yes |
| Add-On Cores | Multi-Port Front-End Reorder ECC | Multi-Port Front-End Reorder ECC |
DDR4 Memory Subsystem
The Rambus DDR4 memory delivers industry-leading data rates of up to 3200 Mbps and is compatible with the DDR4 and DDR3 standards.
The Rambus DDR4 controller maximizes memory bus efficiency via Look-Ahead command processing, bank management, auto-precharge and additive latency support. The core is DFI compatible and supports a range of interfaces to user logic. The Rambus DDR4 controller can be paired with 3rd-party or customer PHY solutions.
Controller
- Controller (source code)
- Testbench (source code)
- Complete documentation
Controller
- Expert technical support
- Maintenance updates
- Customization
- SoC Integration
Engineering Design Services:
- Package design
- System board layout
- Statistically-based signal and power integrity analysis
