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  • 參數(shù)資料
    型號(hào): DS1742W-120
    廠商: Maxim Integrated Products
    文件頁數(shù): 16/17頁
    文件大小: 0K
    描述: IC RTC RAM Y2K 3.3V 120NS 24EDIP
    標(biāo)準(zhǔn)包裝: 14
    類型: 時(shí)鐘/日歷
    特點(diǎn): 閏年,NVSRAM,Y2K
    存儲(chǔ)容量: 2KB
    時(shí)間格式: HH:MM:SS(24 小時(shí))
    數(shù)據(jù)格式: YY-MM-DD-dd
    接口: 并聯(lián)
    電源電壓: 2.97 V ~ 3.63 V
    工作溫度: 0°C ~ 70°C
    安裝類型: 通孔
    封裝/外殼: 24-DIP 模塊(0.600",15.24mm)
    供應(yīng)商設(shè)備封裝: 24-EDIP
    包裝: 管件
    其它名稱: DS1742W120
    DS1742
    8 of 17
    ABSOLUTE MAXIMUM RATINGS
    Voltage Range on Any Pin Relative to Ground……………………………………..-0.3V to +6.0V
    Storage Temperature Range………………………………………………………...-40°C to +85°C
    Soldering Temperature (EDIP, leads)..……………………..+260°C for 10 seconds (See Note 7)
    This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the
    operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of
    time may affect reliability.
    OPERATING RANGE
    RANGE
    TEMPERATURE
    VCC
    Commercial
    0°C to +70°C (noncondensing)
    3.3V ±10% or 5V ±10%
    Industrial
    -40°C to +85°C (noncondensing)
    3.3V ±10% or 5V ±10%
    RECOMMENDED DC OPERATING CONDITIONS
    (Over the operating range)
    PARAMETER
    SYMBOL
    MIN
    TYP
    MAX
    UNITS NOTES
    Logic 1
    Voltage
    (All Inputs)
    VCC = 5V ±10%
    VIH
    2.2
    VCC + 0.3V
    V
    1
    VCC = 3.3V
    ±10%
    VIH
    2.0
    VCC + 0.3V
    V
    1
    Logic 0
    Voltage
    (All Inputs)
    VCC = 5V ±10%
    VIL
    -0.3
    +0.8
    V
    1
    VCC = 3.3V
    ±10%
    VIL
    -0.3
    +0.6
    V
    1
    DC ELECTRICAL CHARACTERISTICS
    (VCC = 5.0V ±10%, Over the operating range.)
    4B
    PARAMETER
    5B
    SYMBOL
    6B
    MIN
    7B
    TYP
    8B
    MAX
    9B
    UNITS
    10B
    NOTES
    Active Supply Current
    ICC
    15
    50
    mA
    2, 3
    TTL Standby Current ( CE =
    VIH)
    ICC1
    1
    3
    mA
    2, 3
    CMOS Standby Current
    ( CE ≥VCC - 0.2V)
    ICC2
    1
    3
    mA
    2, 3
    Input Leakage Current
    (Any Input)
    IIL
    -1
    +1
    A
    Output Leakage Current
    (Any Output)
    IOL
    -1
    +1
    A
    Output Logic 1 Voltage
    (IOUT = -1.0mA)
    VOH
    2.4
    1
    Output Logic 0 Voltage
    (IOUT = +2.1mA)
    VOL
    0.4
    1
    Write Protection Voltage
    VPF
    4.25
    4.50
    V
    1
    Battery Switchover Voltage
    VSO
    VBAT
    1, 4
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    DS1743 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Y2K-Compliant, Nonvolatile Timekeeping
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