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  • 參數(shù)資料
    型號(hào): MB81117422A-84
    廠商: Fujitsu Limited
    英文描述: CMOS 2×2M ×4 Bit Synchronous Dynamic RAM(CMOS 2×2M ×4 位同步動(dòng)態(tài)RAM)
    中文描述: 的CMOS 2 × 200萬(wàn)× 4位同步動(dòng)態(tài)RAM(2 × 200萬(wàn)的CMOS × 4位同步動(dòng)態(tài)RAM)的
    文件頁(yè)數(shù): 11/44頁(yè)
    文件大?。?/td> 273K
    代理商: MB81117422A-84
    11
    MB81117422A-125/-100/-84/-67
    (Continued)
    Current
    State
    CS
    RAS CAS
    WE
    Addr
    Command
    Function
    Notes
    Write
    Recovering
    H
    X
    X
    X
    X
    DESL
    NOP (Bank Active after t
    WR
    /t
    BWC
    )
    L
    H
    H
    H
    X
    NOP
    NOP (Bank Active after t
    WR
    /t
    BWC
    )
    L
    H
    H
    L
    X
    BST
    NOP (Bank Active after t
    WR
    /t
    BWC
    )
    L
    H
    L
    H
    BA, CA, AP
    READ/READA Start Read; Determine AP
    *4
    L
    H
    L
    L
    BA, CA, AP
    WRIT/WRITA
    New Write; Determine AP
    L
    L
    H
    H
    BA, RA
    ACTV
    Illegal
    *2
    L
    L
    H
    L
    BA, AP
    PRE/PALL
    Illegal
    *2
    L
    L
    L
    H
    X
    REF/SELF
    Illegal
    L
    L
    L
    L
    MODE
    MRS
    Illegal
    Write
    Recovering
    with
    Auto-
    P
    recharge
    H
    X
    X
    X
    X
    DESL
    NOP (Precharge after t
    RWL
    /t
    BWL
    )
    L
    H
    H
    H
    X
    NOP
    NOP (Precharge after t
    RWL
    /t
    BWL
    )
    L
    H
    H
    L
    X
    BST
    Illegal
    L
    H
    L
    H
    BA, CA, AP
    READ/READA Illegal
    *2
    L
    H
    L
    L
    BA, CA, AP
    WRIT/WRITA
    Illegal
    *2
    L
    L
    H
    H
    BA, RA
    ACTV
    Illegal
    *2
    L
    L
    H
    L
    BA, AP
    PRE/PALL
    Illegal
    *2
    L
    L
    L
    H
    X
    REF/SELF
    Illegal
    L
    L
    L
    L
    MODE
    MRS
    Illegal
    相關(guān)PDF資料
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