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  • 參數(shù)資料
    型號(hào): W7NCF256H10IS9JM1G
    廠商: WHITE ELECTRONIC DESIGNS CORP
    元件分類: PROM
    英文描述: FLASH 3.3V PROM MODULE, XMA50
    封裝: CARD-50
    文件頁(yè)數(shù): 8/13頁(yè)
    文件大?。?/td> 180K
    代理商: W7NCF256H10IS9JM1G
    March 2007
    Rev. 2
    W7NCF-H-M1 Series
    4
    White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
    White Electronic Designs
    Common Memory Read and Write AC Charateristics
    Symbol
    Parameter
    Min
    Max
    Units
    tcR
    Read Cycle Time
    150
    ns
    ta(A)
    Address Access Time
    150
    ns
    ta(CE)
    Card Enable Access Time
    150
    ns
    ta(OE)
    Output Enable Access Time
    75
    ns
    tdis(CE)
    Output Disable time from CE
    75
    ns
    tdis(OE)
    Output Disable time from OE
    75
    ns
    ten(CE)
    Output Enable time from CE
    5
    ns
    ten(OE)
    Output Enable time from OE
    5
    ns
    tV(A)
    Data valid time from address change
    0
    ns
    tsu(A)
    Address Setup Time
    20
    ns
    th(A)
    Address Hold Time
    20
    ns
    tsu(CE)
    Card Enable Setup Time
    0
    ns
    th(CE)
    Card Enable Hold Time
    20
    ns
    tcW
    Write Cycle Time
    150
    ns
    tw(WE)
    Write Pulse TIme
    80
    ns
    tsu(A-WEH)
    Address setup time for WE
    100
    ns
    tsu(CE-WEH)
    Card Enable setup time for WE
    100
    ns
    tsu(D-WEH)
    Data setup time for WE
    50
    ns
    th(D)
    Data hold time
    20
    ns
    trec(WE)
    20
    tdis(WE)
    Output disable time from WE
    ns
    ten(WE)
    Output enable time from WE
    5
    75
    ns
    tsu(OE-WE)
    Output Enable setup time for WE
    10
    ns
    th(OE-WE)
    Output Enable hold time from WE
    10
    ns
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