Ultra-Low-Power, I2C Real-Time Clock and Power Management

General Description The MAX31331 ultra-low power, real-time clock (RTC) is a time-keeping device that consumes nominal 65nA timekeeping current, extending battery life. The MAX31331 supports a wide range of 32.768kHz crystals. A crystal with any capacitive loading (CL) spec can be used, which bro

文件：1.10388 Mbytes 页数：49 Pages

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超低功耗、I2C实时时钟和电源管理

MAX31331超低功耗实时时钟(RTC)是一款计时器件，标称计时电流消耗为65nA，可延长电池续航时间。MAX31331支持多种32.768kHz晶振。该器件可以使用任意电容负载(CL)规格的晶体，可用晶体范围广泛。该器件通过I2C串行接口访问。\n\n 该器件还具有备用电源引脚(VBAT)，在主电源(VCC)降至编程阈值电压和备用电源(VBAT)电压以下时，会自动切换至备用电源(VBAT)。\n\n 其他功能包括两个当日时间警报、中断输出、可编程方波输出、带时间戳的事件检测输入和串行总线超时机制。32字节的时间戳寄存器还充当RAM存储。该器件具有数字施密特触发器输入(D • 超低功耗，运行时间更长\n• 计时电流：65nA\n\n• 计时电压范围：1.1V至5.5V\n\n• 发生电源故障时自动切换到备用电源\n\n• 提供用于外部超级电容或可充电电池的涓流充电器\n\n\n\n\n• 尺寸小巧，BOM少\n• 1.66mm x 1.26mm 12引脚WLP封装\n\n• 3mm x 3mm 10引脚TDFN封装\n\n• 无需外部负载电容\n\n\n\n\n• 灵活易用\n• 支持多种外部晶振（无需外部负载）\n\n• 频率校正分辨率<0.5ppm\n\n• 接口电压范围：1.62V至5.5V\n\n\n\n\n• 提供增值功能以方便使用\n• 使用专用引脚;

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亚德诺

Ultra-Low-Power, I2C Real-Time Clock and Power Management

General Description The MAX31331 ultra-low power, real-time clock (RTC) is a time-keeping device that consumes nominal 65nA timekeeping current, extending battery life. The MAX31331 supports a wide range of 32.768kHz crystals. A crystal with any capacitive loading (CL) spec can be used, which bro

文件：1.10388 Mbytes 页数：49 Pages

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亚德诺

Ultra-Low-Power, I2C Real-Time Clock and Power Management

General Description The MAX31331 ultra-low power, real-time clock (RTC) is a time-keeping device that consumes nominal 65nA timekeeping current, extending battery life. The MAX31331 supports a wide range of 32.768kHz crystals. A crystal with any capacitive loading (CL) spec can be used, which bro

文件：1.10388 Mbytes 页数：49 Pages

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亚德诺

Ultra-Low-Power, I2C Real-Time Clock and Power Management

General Description The MAX31331 ultra-low power, real-time clock (RTC) is a time-keeping device that consumes nominal 65nA timekeeping current, extending battery life. The MAX31331 supports a wide range of 32.768kHz crystals. A crystal with any capacitive loading (CL) spec can be used, which bro

文件：1.10388 Mbytes 页数：49 Pages

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亚德诺

Ultra-Low-Power, I2C Real-Time Clock and Power Management

General Description The MAX31331 ultra-low power, real-time clock (RTC) is a time-keeping device that consumes nominal 65nA timekeeping current, extending battery life. The MAX31331 supports a wide range of 32.768kHz crystals. A crystal with any capacitive loading (CL) spec can be used, which bro

文件：1.10388 Mbytes 页数：49 Pages

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亚德诺