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    參數(shù)資料
    型號(hào): V58C2256404SBJ5
    廠商: PROMOS TECHNOLOGIES INC
    元件分類: DRAM
    英文描述: 64M X 4 DDR DRAM, 0.65 ns, PBGA60
    封裝: LEAD FREE, MO-233, FBGA-60
    文件頁(yè)數(shù): 53/62頁(yè)
    文件大?。?/td> 983K
    代理商: V58C2256404SBJ5
    57
    ProMOS TECHNOLOGIES
    V58C2256(804/404/164)SB
    V58C2256(804/404/164)SB Rev. 1.0 November 2003
    Figure 45 - WRITE - WITHOUT AUTO PRECHARGE
    CK
    /CK
    COMMAND
    NOP
    WRITE
    CKE
    Col
    n
    RA
    A10
    BA0, BA1
    Bank
    x
    *Bank
    x
    BA
    DON'T CARE
    DI
    n = Data In for column n
    Burst Length = 4 in the case shown
    3 subsequent elements of Data In are applied in the programmed order following DI
    n
    DIS AP = Disable Autoprecharge
    * = "Don't Care", if A10 is HIGH at this point
    PRE = PRECHARGE, ACT = ACTIVE, RA = Row Address, BA = Bank Address
    NOP commands are shown for ease of illustration; other valid commands may be possible at these times
    NOP
    PRE
    NOP
    VALID
    ACT
    NOP
    DIS AP
    ONE BANK
    ALL BANKS
    tCK
    tCH
    tCL
    tIS
    tIH
    tIS
    tIH
    tRP
    tIH
    tIS tIH
    RA
    x4:A0-A9
    x8:A0-A8
    x16:A0-A7
    x4:A11
    x8:A9, A11
    x16:A8, A9, A11
    DQ
    DM
    DQS
    DI
    n
    t
    tDQSS
    t
    Case 1:
    tDQSS = min
    Case 2:
    tDQSS = max
    DQ
    DM
    DQS
    DI
    n
    t
    tWR
    tDQSS
    t
    WPST
    DQSH
    DQSL
    tWPRES
    WPST
    DQSH
    DQSL
    WPRE
    WPRES
    tWPRE
    tDSS
    tDSH
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