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  • 參數(shù)資料
    型號(hào): WED3DG644V75D1I-MG
    廠商: WHITE ELECTRONIC DESIGNS CORP
    元件分類(lèi): DRAM
    英文描述: 4M X 64 SYNCHRONOUS DRAM MODULE, ZMA144
    封裝: ROHS COMPLIANT, SODIMM-144
    文件頁(yè)數(shù): 3/9頁(yè)
    文件大?。?/td> 199K
    代理商: WED3DG644V75D1I-MG
    WED3DG644V-D1
    White Electronic Designs
    3
    White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
    September 2007
    Rev. 5
    ABSOLUTE MAXIMUM RATINGS
    Parameter
    Symbol
    Value
    Units
    Voltage on any pin relative to VSS
    VIN, VOUT
    -1.0 ~ 4.6
    V
    Voltage on VCC supply relative to VSS
    VCC, VCCQ
    -1.0 ~ 4.6
    V
    Storage Temperature
    TSTG
    -55 ~ +150
    °C
    Power Dissipation
    PD
    4
    W
    Short Circuit Current
    IOS
    50
    mA
    Note: Permanent device damage may occur if “ABSOLUTE MAXIMUM RATINGS” are exceeded.
    Functional operation should be restricted to recommended operating condition.
    Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
    Parameter
    Symbol
    Min
    Typ
    Max
    Unit
    Note
    Supply Voltage
    VCC
    3.0
    3.3
    3.6
    V
    Input High Voltage
    VIH
    2.0
    3.0
    VCCQ+0.3
    V1
    Input Low Voltage
    VIL
    -0.3
    0.8
    V
    2
    Output High Voltage
    VOH
    2.4
    V
    IOH= -2mA
    Output Low Voltage
    VOL
    ——
    0.4
    V
    IOL= -2mA
    Input Leakage Current
    ILI
    -10
    10
    μA3
    Note: 1. VIH (max)= 5.6V AC. The overshoot voltage duration is ≤ 3ns.
    2. VIL (min)= -2.0V AC. The undershoot voltage duration is ≤ 3ns.
    3. Any input 0V ≤ VIN ≤ VCCQ
    Input leakage currents include Hi-Z output leakage for all bi-directional buffers with tri-State outputs.
    CAPACITANCE
    TA = 25°C, f = 1MHz, VCC = 3.3V, VREF = 1.4V ± 200mV
    Parameter
    Symbol
    Max
    Unit
    Input Capacitance (A0-A12)
    CIN1
    25
    pF
    Input Capacitance (RAS#,CAS#,WE#)
    CIN2
    25
    pF
    Input Capacitance (CKE0)
    CIN3
    25
    pF
    Input Capacitance (CLK0)
    CIN4
    19
    pF
    Input Capacitance (CS0#)
    CIN5
    25
    pF
    Input Capacitance (DQM0-DQM7)
    CIN6
    8pF
    Input Capacitance (BA0-BA1)
    CIN7
    25
    pF
    Data Input/Output Capacitance (DQ0-DQ63)
    COUT
    10
    pF
    RECOMMENDED DC OPERATING CONDITIONS
    Voltage Referenced to: VSS = 0V, TA = 0°C to +70°C
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