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  • 參數(shù)資料
    型號: X28HC64
    英文描述: 5 Volt, Byte Alterable E2PROM
    中文描述: 5伏,可變E2PROM的字節(jié)
    文件頁數(shù): 14/24頁
    文件大?。?/td> 112K
    代理商: X28HC64
    14
    X28HC64
    CE
    Controlled Write Cycle
    3857 FHD F07
    Page Write Cycle
    3857 FHD F08
    Notes:
    (7) Between successive byte writes within a page write operation,
    OE
    can be strobed LOW: e.g. this can be done with
    CE
    and
    WE
    HIGH to fetch data from another memory device within the system for the next write; or with
    WE
    HIGH and
    CE
    LOW effectively
    performing a polling operation.
    (8) The timings shown above are unique to page write operations. Individual byte load operations within the page write must
    conform to either the
    CE
    or
    WE
    controlled write cycle timing.
    ADDRESS
    tAS
    tOEH
    tWC
    tAH
    tOES
    tCS
    tDV
    tDS
    tDH
    tCH
    CE
    WE
    OE
    DATA IN
    DATA OUT
    HIGH Z
    tCW
    DATA VALID
    WE
    OE
    (7)
    BYTE 0
    BYTE 1
    BYTE 2
    BYTE n
    BYTE n+1
    BYTE n+2
    tWP
    tWPH
    tBLC
    tWC
    CE
    ADDRESS *
    (8)
    I/O
    *For each successive write within the page write operation, A6–A12 should be the same or
    LAST BYTE
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