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Technology Type: Interfaces & Peripherals Keywords: Memory Controllers
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Memory Controllers
Although Altera® FPGAs provide abundant on-chip internal SRAM memory resources, system bandwidth requirements often necessitate the use of large, fast off-chip memory devices. Altera memory controller intellectual property (IP) solutions are hardware-tested, drop-in design blocks that greatly simplify the local interface to complex memory devices such as double data rate (DDR) and single data rate (SDR) SDRAM, quad data rate (QDR) SRAM, zero-bus turnaround (ZBT) SRAM, and FCRAM. Altera solutions include both licensable IP functions and no-cost, open source design examples.
The Altera Stratix®, Stratix GX, and Cyclone® FPGA families include special I/O features designed specifically for interfacing with external memory devices. These features may include dedicated delay paths for data strobe signal alignment, multiple I/O registers to support DDR data transmission, and delay elements to reduce bus contention for ZBT protocols.
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Try OpenCore Plus |
SOPC Builder Ready, I-Tested |
Stratix II GX, HardCopy II, Cyclone II, Stratix II, Cyclone, Stratix, Stratix GX |
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Try OpenCore Plus |
SOPC Builder Ready, I-Tested |
Stratix III, Cyclone III, Stratix II GX, Arria GX, HardCopy II, Stratix II |
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Try OpenCore Plus |
SOPC Builder Ready, I-Tested |
Stratix II GX, HardCopy II, Cyclone II, Stratix II, Cyclone, Stratix, Stratix GX |
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Try OpenCore Plus |
SOPC Builder Ready, I-Tested |
Stratix III, Cyclone III, Stratix II GX, Arria GX, HardCopy II, Stratix II |
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Try OpenCore Plus |
SOPC Builder Ready |
Stratix III |
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Try OpenCore Plus |
I-Tested |
Stratix II GX, HardCopy II, Stratix II, Stratix, Stratix GX |
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Try OpenCore Plus |
I-Tested |
Stratix II GX, HardCopy II, Stratix II |
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Try OpenCore |
AMPP Approved, DSP Builder Ready |
Cyclone II, Stratix II, Cyclone, Stratix, Excalibur, APEX 20KE, APEX 20KC, ACEX 1K, FLEX 10KE |
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Try OpenCore |
AMPP Approved |
Stratix II, Cyclone, Stratix |
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Try OpenCore |
AMPP Approved, DSP Builder Ready |
Stratix, APEX 20K, ACEX 1K, FLEX 10KE |
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