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    參數(shù)資料
    型號(hào): AM29LV160MT70RWAI
    廠商: ADVANCED MICRO DEVICES INC
    元件分類(lèi): PROM
    英文描述: 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) MirrorBit TM 3.0 Volt-only Boot Sector Flash Memory
    中文描述: 1M X 16 FLASH 3V PROM, 70 ns, PBGA48
    封裝: 6 X 8 MM, 0.80 MM PITCH, FBGA-48
    文件頁(yè)數(shù): 39/63頁(yè)
    文件大?。?/td> 967K
    代理商: AM29LV160MT70RWAI
    January31,2007 25974B5
    Am29LV160M
    37
    D a t a S h e e t
    Figure 8.
    Toggle Bit Algorithm
    Notes:
    1. Read toggle bit twice to determine whether or not it is toggling. See text.
    2. Recheck toggle bit because it may stop toggling as DQ5 changes to “1”. See text.
    DQ5: Exceeded Timing Limits
    DQ5 indicates whether the program or erase time exceeded a specified internal
    pulse count limit. Under these conditions DQ5 produces a “1.” This is a failure
    condition that indicates the program or erase cycle was not successfully
    completed.
    The DQ5 failure condition may appear if the system tries to program a “1” to a
    location that is previously programmed to “0.”
    Only an erase operation can
    START
    No
    Yes
    Yes
    DQ5 = 1
    No
    Yes
    Toggle Bit
    = Toggle
    No
    Program/Erase
    Operation Not
    Complete, Write
    Reset Command
    Program/Erase
    Operation Complete
    Read DQ7–DQ0
    Toggle Bit
    = Toggle
    Read DQ7–DQ0
    Twice
    Read DQ7–DQ0
    (Note 1)
    (Notes
    1, 2)
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