
rettimpu dayta raetu

computinglo, double dayta rate (ddr) thoo panichese computer bassu gadiyara sanketam yokka perugutunna mariyu padipotunna anchulapai daetaanu badilee chestundi. dheenini double pump, dual-pump mariyu double transition anie kooda pilustaaru. togul mode anae padaanni nand flash memory sandarbhamlo upayogistaaru.
sameeksha.
clocked electronic circuitnu roopondinchadaaniki saralamaina maargam emitante, gadiyara sanketam yokka puurti chakraniki (perugudala mariyu patanam) oka badileeni nirvahinchadam. ayithe, dheeniki, gadiyara sanketam prati badileeki rendusaarlu maaraali, ayithe dayta linelu prati badileeki okasari maaraali. adhika bandwidth vadda panichesetappudu, signal samagrata parimitulu gadiyara pounahpunyaanni parimitam chestaayi. gadiyaram yokka rendu anchulanu upayoginchadam dwara, dayta signals oke parimita frequencytho panicheestaayi, tadwara dayta transmission retunu rettimpu chestaayi.
eee saanketikata microprocessor front-side bassulu, ultra-3 sci, vistarana bassulu (agp, pci-ex), graphics memory (gddr), pradhana memory (rdrm mariyu ddr1 dwara ddr5), mariyu amd yokka athlon 64 processorlapy hypertransport bassulaku upayoginchabadindi. idhi iteevala adhika dayta badilee vegam avasaraalatoe itara vyavasthalaku upayoginchabadutondi, udaaharanaku, analog-tuu-digital converterla (edisi) avtput kosam.
ddr nuu dual chaaneltho ayomayam cheyakudadu, dheenilo prati memory chhaanel ekakaalamlo rendu raam maadyuullanu access chestundi. rendu saanketikatalu okadaanikokati swatantramgaa untaayi mariyu aneka madarbordulu dual chaanal configurationlo ddr memarini upayoginchadam dwara rendintinee upayogistaayi.
double ledhaa kwad pumpingku pratyaamnaayam link sweeya-clocking cheyadam. eee vyuuhaanni infiniband mariyu pci express enchukunnaayi.
bandwidth mariyu frequency sambandham.
double-pump chesina bassu yokka bandwidthnu vivarinchadam gandaragolamgaa untundi. prati gadiyara anchunu oka chakraniki rendu beats (oka up beat mariyu oka down beat) thoo "beat" gaa suuchistaaru. saanketikamgaa, heartz anedi sekanuku "chakraala" unit, conny chaalaa mandhi prajalu sekanuku "badileela" sankhyanu suuchistaaru. jagrattagaa upayoginchadam anedi saadhaaranamgaa "500 mhz, double dayta rate" ledhaa "1000 mt/s" gurinchi maatlaadutundi, conny chaalaa mandhi 500 mhz kante vaegamgaa signal chakralu laenappatikee, "1000 mhz bassu" nii saadhaaranamgaa suuchistaaru.
ddr sdram sekanuku megabytelalo bassu bandwidthnu soochinche saanketikatanu prachuryam pondindi, badilee raetu yokka utpatti mariyu baitlalo bassu vedalpu. 100 mhz gadiyaaramto panichese ddr sdramnuu ddr-200 (daani 200 mt/s dayta badilee raetu tarvaata) anie pilustaaru, mariyu aaa dayta retutho panichese 64-bitt (8-bite) wide dimnu pc-1600 anie pilustaaru, daani 1600 mb/s peak (saiddhaantika) bandwidth tarvaata. adevidhamgaa, 12.8 jibi/seey badilee raetu ddr 3-1600 nii pisi 3-12800 antaaru.
ddr modules yokka prajaadarana pondina paerla yokka konni udaaharanalu
ddr sdram dayta linelalo matrame double-dayta-rate signalingnu upayogistundi. chirunama mariyu niyantrana sankethaalu ippatikee gadiyaaraaniki okasari "chakram" (khachitamainadigaa cheppalante, gadiyaram yokka perugutunna anchuna) dramku pampabadataayi mariyu cases latensey vanti samaya paaraamitulu gadiyara chakraalalo perkonabaddaayi. konni takkuva saadhaarana dram interfacelu, mukhyamgaa lpddr2, gddr5 mariyu xdr dram, double dayta retunu upayoginchi aadesaalanu mariyu chirunaamaalanu pamputaayi. ddr5 prati dimku rendu 7-bitt double dayta rate command/adrus bassulanu upayogistundi, ikkada registered clack driver chip prati memory chipku 14-bitt sdr bassuku maarutundi.

