Лекция №6 Организация ЭВМ и систем

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  • :

    DRAM SDRAM DDR2, DDR3

  • " "-

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  • DRAM 2 : . , .. .

  • CDRAM (Cache DRAM) EDRAM (Enhanced DRAM )SDRAM (Synchronous DRAM)RDRAM (Rambus DRAM)EDO (Extended Data Out) DRAMBEDO DRAM (Burst EDO DRAM)DDR400SDRAM SRAM (8, 16 ) 3- 2 -. DDR Double Data Rate .

  • FPM DRAM (Fast-Page Mode DRAM - , 1995 . ) . RAS# , .: - . . FPM Intel 80286. 60 66 5-3-3-3. 35 .

  • EDO (Extended Data Output) DRAM (1996 .) - -. CAS#. 25 , 40%. 5-2-2-2. - , .

  • EDO . (.. , ). , , "" - (data output drivers) - . , , . .

  • BEDO DRAM (Burst EDO) - EDO RAM . - , , . , CAS Delay, 15 . BEDO , , , . CAS#, . CAS# . 5-1-1-1. , .

  • SDRAM (Synchronous DRAM) - DRAM 100 MHz , , , . . , , , EDO RAM , FPM - . SDRAM , , .

  • SDRAM . - (1, 2, 4, 8, 256 ). . . SDRAM "5-1-1-1", BEDO RAM. SDRAM 100 . SDRAM : .

  • SDRAM . SDRAM ( ) . - , - . . SDRAM , .

  • SDRAM , , ( ). SDRAM , . 2 3.

  • L2 (Static RAM) 2-1-1-1SDRAM5-1-1-1BEDO DRAM5-1-1-1EDO DRAM5-2-2-2FPM DRAM5-3-3-3

  • RDRAM , Rambus. , IBM, NEC, Toshiba, Samsung Electronics, Hitachi, Rambus RDRAM. , , , 1996 200 . .RDRAM - , , . RDRAM .

  • RDRAM : DRAM, Rambus; Rambus ASIC (RACs); , Rambus Channel. RamBus, 1995 , RSL (Rambus Signal Logic - Rambus), 600 MHz . Rambus . RDRAM 8- , EDO RAM SDRAM 4-, 8- 16- . RAMBUS 11 DRAM, 85% .

  • Direct Rambus RDRAM, : Base (BRDRAM), Concurrent (CRDRAM) Direct (DRDRAM). , . Direct RDRAM (RSL: Rambus Signaling Level - Rambus), (16 ), ( 800 MHz) ( 90%). RDRAM 1.6 /, - 3.2 /. Direct Rambus 8- 1.6 3 2.4 .

  • : (RMC Rambus Memory Controller), (RC Rambus Channel); (RRC - Rambus RIMM Connector); (RIMM Rambus In-line Memory Module); (DRCG Direct Rambus Clock Generator); (RDRAM Rambus DRAM). , , , Rambus , 600/711/800 , 300/350/400 .

  • Direct Rambus Direct Rambus , . 0 13-5- Direct Rambus 0 1 0 116/18-

  • , DRAM . . , , (pin). RDRAM .

  • SDRAM II (DDR) , 1998 ., - : Fujitsu, Hitachi, Mitsubishi - 64- DDR SDRAM. SDRAM II, SDRAM . , SDRAM SDR (Single Data Rate). DDR SDRAM , , TSOP (Thin Small-Outline Package) SDRAM, , .

  • SDRAM: - "" , SDRAM; - DDR DLL (delay-locked loop - ) DataStrobe, . DataStrobe 16 , , , . DDR , SDRAM, . , DDR , SDRAM.

  • 1998 ., Intel RamBus DRAM, DDR SDRAM, . 184- DIMM, DDR SGRAM. , DDR - . PC133 SDRAM, VIA Technologies, , Rambus DRAM. DDR SDRAM IBM, .

  • Rambus DRAM, ( , ), , PC600, PC700, PC800, , DDR SDRAM, . , DDR SDRAM - PC1600 100 (8 x200 = 1600 /) PC2100 133 (8 x 266 = 2100 /). DDR SDRAM JEDEC (Joint Electron Devices Engineering Council).DDR SDRAM - , . DIMM DDR SDRAM , 200 ( 400 ), 3200 /.

  • , DDR-II. - 230 . DDR-II 100 , , , 3200 /. , DDR-II (32 ): 150 4800 /, 200 - 6400 /.

  • DDR 3DDR3 DDR SDRAM. DDR3 Infineon 2005. DDR2 . DDR3 1600 . 1.5 . DDR2 1.8 .

  • DDR3 , Intel Core Duo. Sony VAIO FE ( VGN-FE590GC, VGN-FE590 CTO). . DDR3 . 512 8 . 512 1, 2, 4 . 256 ( 512 ) 8 ( 2- ). 8 (, ) .

  • SDR SDRAMDDR SDRAMDDR2 SDRAMInfineon DDR3 SDRAM ( )PC66,PC100,PC133DDR-200, 266,333, 400DDR2-400, 533,667, 800DDR3-800, 1066,1333, 1600 3.3 (+/- 0.3)2.5 (+/- 0.2)1.8 (+/- 0.1)1.5 (+/- 0.075)

  • DDR 3 Samsung DDR3-800 512 ECC.

  • : - 1.5 ; - 0.07 ; CAS Latency - 7 5; DDR3 8- , DDR2 4- . , DDR3 , , SDR DDR . , , DDR3 . . ( BIOS' );

  • : 800 ; 1066 ; 1333 ; 1666 ; , , 30% DDR2. DDR3 SDRAM .

  • 2010 , Citigroup, ( $14,8 ) .

  • , - . , , .

  • 2012 DDR4, DRAM- 2133 , . 1,2 , 1,0 . , , 2012 , 2667 . 25.08.2008,

  • 06 2011 DDR4 Hynix 2012

    Hynix DDR4 2 ECC-SODIMM. 30- . DDR4 , , . , , , DDR3 DDR3-1333 ( 80%). DDR4 2012 . , , .

  • Samsung DDR4 16 , 30- . 2013 32- 20- 3200 / ( 1600 / DDR3 800 / DDR2). DDR4 1,2 , .. DDR3 40 % , Pseudo Open Drain (POD), DDR3 . 2012 Samsung DDR4 JEDEC. 10/07/201202:28 : turrix : http://www.hwp.ru/tags/DDR4

  • DDR4 11.11.2012 JEDEC Solid State Technology Association Synchronous DDR4 (Double Data Rate 4). , . DDR4 , . DDR4 1,6 , 3,2 ./.

  • DDR4 1,6 , 3,2 ./. DDR4 2133 4266 , 1000 , (1333 1666 ). 2133 ( DDR4) 2133 * 8 = 17 064 /c. 4266 ( , ) 4266 * 8 = 34 128 /c. : 1,1 - 1,2 1,5 DDR3. 32 36 .

  • DDR4 8 (8n prefetch) . , , . DDR4 284 , DDR3 240 . SO-DIMM 256 , DDR3 SO-DIMM 204 . DDR4 . () , . , DDR4 -.

  • , -, , . . , , . iSuppli, 2014 DDR4 12 %, 2015 56 %. , , , . Micron, , . Samsung 284- PC4-17000(2133 ). Intel AMD.

  • DDR4

    Intel DDR4 2014 4- Haswell-EX, , , 2015 , 22 Haswell, 14 Broadwell DDR4 . DDR4 . DDR4 , , . DDR4 .faqhard.ru :http://www.windxp.com.ru/articles114.htm

  • Crucial DDR4- 3 14.01.2014 , , DDR4 Ballistix 3 . , , Intel Haswell-E DDR4. , Crucial . ADATA CES 2014 8- 16- DDR4-. Crucial, ADATA , 2133 .: http://www.3dnews.ru/794676

  • Crucial DDR4. , .

    Crucial, DDR3 , (2133 / 17 / 1066 MT/ 8,5 / DDR3). , , . , DDR4, Crucial DDR4 DDR3 40%. Crucial DDR4 Intel Xeon E5-2600 v3, , , , . : http://www.ixbt.com/news/hard/index.shtml?18/00/24 Crucial DDR404.06.2014.

  • DDR DDR SDRAM , . 184 . 2,5 , 400 . 2 (2n-prefetch). DDR2 . DDR2 DDR 4 (4n-prefetch), DDR 2 , .. 4 -. 240 ( 120 ) 1,8 . DDR3 , . DDR3 ( 1800 ), 30-40% ( DDR2) . DDR4 , . 2133 4266 . 2012 . 4 2011 CES Samsung , DDR4-2133 1,2 .

  • 20 2013 14:03 DDR4? http://habrahabr.ru/company/intel/blog/205608/

  • , , "CPU vs Memory" . , - , - "" ( !) ( ) . ? , , " " . . : " ( - 2 ), .

  • , ( ), . , , , , () , , 2 /8=0,25 ... , . -6 , (), .

  • , , "", . . . -6 . . -6 , , - .

  • , . 60% . , .

  • -6 . , , , , , , , "" . , , , , .

  • -6, , , . -6 , , , , , ".

    , Pentium, - ! -

  • DRAM? ? ? , ? ?

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