• 參數(shù)資料
    型號: NT5TU64M16DG-3C
    廠商: NANYA TECHNOLOGY CORP
    元件分類: DRAM
    英文描述: 64M X 16 DDR DRAM, 0.45 ns, PBGA84
    封裝: GREEN, BGA-84
    文件頁數(shù): 35/85頁
    文件大小: 2622K
    代理商: NT5TU64M16DG-3C
    NT5TU256M4GE / NT5TU128M8GE / NT5TU64M16GG
    1Gb DDR2 SDRAM
    40
    REV 1.0
    06 / 2010
    Burst Write followed by Precharge
    Minimum Write to Precharge command spacing to the same bank = WL + BL/2 + tWR. For write cycles, a delay
    must be satisfied from the completion of the last burst write cycle until the Precharge command can be issued.
    This delay is known as a write recovery time (tWR) referenced from the completion of the burst write to the
    Precharge command. No Precharge command should be issued prior to the tWR delay, as DDR2 SDRAM does
    not support any burst interrupt by a Precharge command. tWR is an analog timing parameter (see the AC table
    in this datasheet) and is not the programmed value for tWR in the MRS.
    Examples:
    Burst Write followed by Precharge : WL = (RL - 1) = 3, BL = 4, tWR = 3
    NOP
    WRITE A
    Post CAS
    T
    0
    T
    2
    T
    1
    T
    3
    T
    4
    T
    5
    T
    6
    T
    7
    T
    8
    WL = 3
    BW-P3
    CMD
    DQ
    NOP
    DIN
    A0
    DIN
    A1
    DIN
    A2
    DIN
    A3
    >=tWR
    Completion of
    the Burst Write
    Precharge
    A
    NOP
    DQS,
    DQS
    CK, CK
    Burst Write followed by Precharge : WL = (RL - 1) = 4, BL = 4, tWR = 3
    NOP
    WRITE A
    Post CAS
    T0
    T2
    T1
    T3
    T4
    T5
    T6
    T7
    T9
    WL = 4
    BW-P4
    CMD
    DQ
    NOP
    DIN A0 DIN A1 DIN A2 DIN A3
    tWR
    Completion of
    the Burst Write
    Precharge
    A
    NOP
    DQS,
    DQS
    CK, CK
    相關PDF資料
    PDF描述
    NTA2425E
    NTA2425F
    NTA2410-10
    NTD2410F
    NTA2425-10
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