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					                                                DDR

  Standard    Memory    Cycle       I/O bus      Data      VDDQ      Module       Peak transfer          Timings
    name       clock    time[4]      clock       rate       (V)       name            rate             (CL-tRCD-
              (MHz)       (ns)      (MHz)       (MT/s)                               (MB/s)               tRP)
  DDR-200       100         10        100         200                PC-1600          1600
  DDR-266      133⅓      7.5         133⅓        266⅔     2.5±0.2    PC-2100          2133⅓
  DDR-333      166⅔          6       166⅔        333⅓                PC-2700          2666⅔
 DDR-400A                                                                                               2.5-3-3
 DDR-400B       200          5        200         400     2.6±0.1    PC-3200          3200               3-3-3
 DDR-400C                                                                                                3-4-4



 Standard     Memory   Cycle      I/O bus     Data        Module      Peak transfer    Timings[2][3]        CAS
   name        clock   time        clock      rate         name           rate                            latency
                                                                                       (CL-tRCD-
              (MHz)    (ns)       (MHz)       (MT/s)                     (MB/s)           tRP)             (ns)
 DDR2-400B                                                                                   3-3-3         15  
               100      10         200         400       PC2-3200         3200
 DDR2-400C                                                                                   4-4-4         20  
 DDR2-533B                                                                                   3-3-3         11¼
               133⅓     7½         266⅔       533⅓      PC2-4200*        4266⅔
 DDR2-533C                                                                                   4-4-4         15  
DDR2-667C                                                                                    4-4-4         12  
               166⅔     6          333⅓       666⅔      PC2-5300*        5333⅓
DDR2-667D                                                                                    5-5-5         15  
DDR2-800C                                                                                    4-4-4         10  
DDR2-800D      200      5          400         800       PC2-6400         6400               5-5-5         12½
DDR2-800E                                                                                    6-6-6         15  
DDR2-1066E                                                                                   6-6-6         11¼
               266⅔     3¾         533⅓       1066⅔     PC2-8500*        8533⅓
DDR2-1066F                                                                                   7-7-7         13⅛



  Standard    Memory   Cycle      I/O bus      Data       Module      Peak transfer      Timings            CAS
    name       clock   time        clock       rate        name           rate                            latency
                                                                                        (CL-tRCD-
              (MHz)    (ns)       (MHz)       (MT/s)                     (MB/s)            tRP)            (ns)
DDR3-800D                                                                                    5-5-5         12 1⁄2
               100      10         400         800       PC3-6400         6400
DDR3-800E                                                                                    6-6-6         15  
DDR3-1066E                                                                                   6-6-6         11 1⁄4
DDR3-1066F     133⅓      1
                       7 ⁄2        533⅓       1066⅔      PC3-8500        8533⅓               7-7-7         13 1⁄8
DDR3-1066G                                                                                   8-8-8         15  
DDR3-1333F*                                                                                7-7-7           10 1⁄2
DDR3-1333G                                                                                 8-8-8           12  
               166⅔      6         666⅔       1333⅓      PC3-10600       10666⅔
DDR3-1333H                                                                                 9-9-9           13 1⁄2
DDR3-1333J*                                                                              10-10-10          15  
DDR3-1600G*                                                                                8-8-8           10  
DDR3-1600H                                                                                 9-9-9           11 1⁄4
               200       5         800         1600      PC3-12800       12800
 DDR3-1600J                                                                              10-10-10          12 1⁄2
DDR3-1600K                                                                               11-11-11          13 3⁄4
DDR3-1866J*                                                                              10-10-10         10 5⁄7 
DDR3-1866K                                                                               11-11-11         11 11⁄14
               233⅓    4 2⁄7       933⅓       1866⅔      PC3-14900       14933⅓
 DDR3-1866L                                                                              12-12-12         12 6⁄7 
DDR3-1866M*                                                                              13-13-13         13 13⁄14
DDR3-2133K*                                                                              11-11-11         10 5⁄16
DDR3-2133L                                                                               12-12-12         11 1⁄4
               266⅔    3 3⁄4      1066⅔       2133⅓      PC3-17000       17066⅔
DDR3-2133M                                                                               13-13-13         12 3⁄16
DDR3-2133N*                                                                              14-14-14         13 1⁄8

				
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