RLDRAM

Reduced Latency DRAM (RLDRAM) is a type of specialty dynamic random-access memory (DRAM) with a SRAM-like interface originally developed by Infineon Technologies. It is a high-bandwidth, semi-commodity, moderately low-latency (relative to contemporaneous SRAMs) memory targeted at embedded applications (such as computer networking equipment) requiring memories that have moderate costs and low latency (relative to commodity DRAM); and capacities greater than those offered by SRAMs.[1] RLDRAM also has better performance compared to contemporaneous commodity DRAMs when there are back-to-back read and write accesses, or completely random accesses.[2]

The first generation RLDRAM devices appeared in 1999, and were initially only fabricated by Infineon. Later, Micron Technology was brought in as a development partner and second source for RLDRAM devices. The second-generation RLDRAM II specification was announced by Infineon and Micron in 2003.[3] Infineon subsequently decided to abandon RLDRAM development, and RLDRAM II devices were introduced by Micron.[1] The first RLDRAM II samples appeared in the same year.[4] In 2012, Micron demonstrated the first third-generation RLDRAM 3 devices.[5]

References

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