Transcription of Memcon: TuningDDR4 for Power Performance - …
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Memcon: TuningDDR4 for Power Performance - …
Tuning DDR4 for Power and PerformanceMike MichelettiProduct Manager Teledyne LeCroyAgenda Introduction DDR4 Technology Expanded role of MRS Power Features Examined Reliability Features Examined Performance Features Examined8/22/20132 DDR4 Goals & Motivations Spec development started in 2005; Officical JEDEC release Aug 2012 Up to Gbps (per pin) 2x Bandwidth Single Ended Signaling Similar clockingEvolutionary Path 8 Bit prefetch, same core frequency Lower Cost 30-40% Power saving (vs DDR3L), tCAL, LP-ASR, Power Savings C/A parity, CRC, MPR readout, ReliabilityAnalysts: 50% market penetration by 2015/2016 PowerReliability (RAS)PerformanceSignallingTe s tNew DDR4 Features Categorized4 TCSRTCARCS to CMD Latency (TCAL) VDDQ TermMa
DDR4 Compared to DDR3 8/22/2013 5 Spec Items DDR3 DDR4 Density / Speed 512Mbp~8Gb 1.6~2.1Gbps 2Gb~16Gb 1.6~3.2Gbps Voltage …
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