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

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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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：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：284.07 Kbytes 頁數(shù)：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：199.52 Kbytes 頁數(shù)：16 Pages

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Microprocessor Supervisory Circuits

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Microprocessor Supervisory Circuits

文件：175.34 Kbytes 頁數(shù)：16 Pages

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Microprocessor Supervisory Circuits

文件：175.34 Kbytes 頁數(shù)：16 Pages

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微處理器電源監(jiān)控器，內置備用電池切換、看門狗、電源故障警告、低電平有效復位功能及4.4V閾值電壓、250mA輸出電流特性

ADM690A/ADM692A/ADM802L/M/ADM805L/M系列監(jiān)控電路均為完整的單芯片解決方案，可實現(xiàn)微處理器系統(tǒng)中的電源監(jiān)控和電池控制功能。這些功能包括微處理器復位、備用電池切換、看門狗定時器和電源故障警告。\n\n ADM690A/ADM692A/ADM802L/M/ADM805L/M均采用8引腳封裝，并提供以下功能： \n\n 啟動、關斷和掉電情況下的上電復位輸出。即使VCC低至1 V，RESET輸出仍保持工作狀態(tài)。 CMOS RAM、CMOS微處理器或其它低功耗器件的備用電池切換。 如果可選的看門狗定時器在1.6秒內未切換，則提供復位脈沖。 ? 精密電源電壓監(jiān)控器\n\n? 4.65 V ADM690A/ADM802L/ADM805L\n\n? 4.40 V ADM692A/ADM802M/ADM805M\n\n? 復位置位低至 1 V VCC\n\n? 復位超時：200 ms\n\n? 看門狗定時器：1.6 s;

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