參數(shù)資料
      型號: V59C1G01804QALF19
      廠商: PROMOS TECHNOLOGIES INC
      元件分類: DRAM
      英文描述: 128M X 8 DDR DRAM, PBGA68
      封裝: ROHS COMPLIANT, FBGA-68
      文件頁數(shù): 8/79頁
      文件大?。?/td> 1028K
      代理商: V59C1G01804QALF19
      16
      V59C1G01(408/808/168)QA Rev. 1.3 June 2008
      ProMOS TECHNOLOGIES
      V59C1G01(408/808/168)QA
      Off- Chip-Driver Adjust Program
      4 bit burst code inputs to all DQs
      Operation
      DT0
      DT1
      DT2
      DT3
      Pull-up driver strength
      Pull-down driver strength
      00
      0
      NOP (no operation)
      00
      0
      1
      Increase by 1 step
      NOP
      00
      1
      0
      Decrease by 1 step
      NOP
      01
      0
      NOP
      Increase by 1 step
      10
      0
      NOP
      Decrease by 1 step
      01
      0
      1
      Increase by 1 step
      01
      1
      0
      Decrease by 1 step
      Increase by 1 step
      10
      0
      1
      Increase by 1 step
      Decrease by 1 step
      10
      1
      0
      Decrease by 1 step
      Other Combinations
      Reserved
      For proper operation of adjust mode, WL = RL - 1 = AL + CL -1 clocks and tDS / tDH should be met as the fol-
      lowing timing diagram. Input data pattern for adjustment, DT0 - DT3 is fixed and not affected by MRS
      addressing mode (i.e. sequential or interleave). Burst length of 4 have to be programmed in the MRS for OCD
      impedance adjustment.
      NOP
      EMRS
      CMD
      CK
      DQS_in
      DQ_in
      tDS tDH
      WL
      OCD adj ust mode
      OCD calibratio n mode exit
      tWR
      EMRS
      CK
      DQS
      NOP
      DT0
      DT1
      DT2
      DT3
      相關(guān)PDF資料
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      V59C1G01804QALF25A 128M X 8 DDR DRAM, PBGA68
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