DRAM

Which function, adopted in DDR5, corrects errors inside the DRAM chip?

  1. AOn-die ECC
  2. BWear leveling
  3. CTRIM
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Answer: A. On-die ECC

To cope with more cell defects and errors due to scaling, DDR5 builds an error-correction circuit into the DRAM chip itself (on-die ECC). Separate from system-level ECC, it corrects single-bit errors and similar errors inside the chip.

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More DRAM questions

  1. What is the performance limitation called that arises because improvements in memory bandwidth and latency have not kept up with improvements in processor performance?
  2. What does "RAM (random access memory)" in DRAM mean?
  3. In PCs and servers, what is DRAM mainly used for?
  4. What is the component called in which several DRAM chips are mounted on a small board that plugs into a PC as memory?
  5. What does the "S" (synchronous) in SDRAM indicate?