Microprocessor Supervisory Circuits

GENERAL DESCRIPTION The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, a

文件：291.17 Kbytes 页数：16 Pages

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Microprocessor Supervisory Circuits

GENERAL DESCRIPTION The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, a

文件：291.17 Kbytes 页数：16 Pages

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亚德诺

Microprocessor Supervisory Circuits

GENERAL DESCRIPTION The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, a

文件：284.07 Kbytes 页数：16 Pages

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亚德诺

Microprocessor Supervisory Circuits

GENERAL DESCRIPTION The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, a

文件：199.52 Kbytes 页数：16 Pages

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Microprocessor Supervisory Circuits

GENERAL DESCRIPTION The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, a

文件：291.17 Kbytes 页数：16 Pages

AD

亚德诺

Microprocessor Supervisory Circuits

GENERAL DESCRIPTION The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, a

文件：291.17 Kbytes 页数：16 Pages

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Microprocessor Supervisory Circuits

文件：334.69 Kbytes 页数：8 Pages

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Microprocessor Supervisory Circuits

文件：175.34 Kbytes 页数：16 Pages

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Microprocessor Supervisory Circuits

文件：175.34 Kbytes 页数：16 Pages

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亚德诺

微处理器电源监控器，内置备用电池切换、看门狗、电源故障警告、低电平有效复位功能及4.4V阈值电压、250mA输出电流特性

ADM690A/ADM692A/ADM802L/M/ADM805L/M系列监控电路均为完整的单芯片解决方案，可实现微处理器系统中的电源监控和电池控制功能。这些功能包括微处理器复位、备用电池切换、看门狗定时器和电源故障警告。\n\n ADM690A/ADM692A/ADM802L/M/ADM805L/M均采用8引脚封装，并提供以下功能： \n\n 启动、关断和掉电情况下的上电复位输出。即使VCC低至1 V，RESET输出仍保持工作状态。 CMOS RAM、CMOS微处理器或其它低功耗器件的备用电池切换。 如果可选的看门狗定时器在1.6秒内未切换，则提供复位脉冲。 • 精密电源电压监控器\n\n• 4.65 V ADM690A/ADM802L/ADM805L\n\n• 4.40 V ADM692A/ADM802M/ADM805M\n\n• 复位置位低至 1 V VCC\n\n• 复位超时：200 ms\n\n• 看门狗定时器：1.6 s;

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