Microprocessor Supervisory Circuits

General Description The MAX690A/MAX692A/MAX802L/MAX802M/MAX805L reduce the complexity and number of components required for power-supply monitoring and battery-control functions in microprocessor (μP) systems. They significantly improve system reliability and accuracy compared to separate ICs or

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Microprocessor Supervisory Circuits

General Description The MAX690 family of supervisory circuits reduces the complexity and number of components required for power supply monitoring and battery control functions in microprocessor systems. These include μP reset and backup-battery switchover, watchdog timer, CMOS RAM write protecti

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MAXIM

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I2C-Compatible RTC in a TDFN

General Description The MAX6900, I2C?-bus-compatible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte ? 8-bit wide of static random access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year informat

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3.0V/3.3V Microprocessor Supervisory Circuits

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微處理器監(jiān)控電路

MAX690系列監(jiān)控電路減少了微處理器系統(tǒng)中的電源監(jiān)控和電池控制功能所需的復雜性和元件數(shù)量。這些功能包括微處理器復位和備用電池切換、看門狗定時器、CMOS RAM寫保護和電源故障警告。與單獨的IC或分立元件相比，MAX690系列顯著提高了系統(tǒng)的可靠性和精度。\n\n MAX690、MAX692和MAX694均采用8引腳封裝，并提供四個功能：\n\n 啟動、關斷和掉電情況下的復位輸出。 CMOS RAM、CMOS微處理器或其它低功耗邏輯的備用電池切換。 如果可選的看門狗定時器在指定時間內(nèi)未切換，則提供復位脈沖。 1.3V閾值檢測器，用于電 ? 集成監(jiān)控功能可節(jié)省電路板空間，同時充分保護基于微處理器的系統(tǒng)\n? 精密電壓監(jiān)控器\n? 4.65V（MAX690、MAX691、MAX694、MAX695）\n\n? 4.40V（MAX692、MAX693）\n\n\n\n\n? 電源工作正常/復位時間延遲\n? 50ms、200ms或可調(diào)\n\n\n\n\n? 看門狗定時器\n? 100ms、1.6s或可調(diào)\n\n\n\n\n? 備用電池電源開關\n\n? 電壓監(jiān)控器，監(jiān)控有無電源故障或低電池電量警告\n\n? 外部元件數(shù)很少\n\n\n\n\n? 備用電池模式下功耗低，可延長電池使用時間\n? 待機電流：1μA\n\n\n\n\n?;

ADI

亞德諾

I2C-Compatible RTC in a TDFN

General Description The MAX6900, I2C?-bus-compatible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte ? 8-bit wide of static random access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year informat

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PLASTIC ENCAPSULATED DEVICES

General The MAX6900, I2C?-bus-compatible real-time clock (RTC) in a 6-pin SOT23 package contains a real-time clock/calendar and 31-byte x 8-bit wide of static random access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The en

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I2C-Compatible RTC in a TDFN

General Description The MAX6900, I2C?-bus-compatible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte ? 8-bit wide of static random access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year informat

文件：205.65 Kbytes 頁數(shù)：17 Pages

MAXIM

美信

I2C-Compatible RTC in a TDFN

General Description The MAX6900, I2C?-bus-compatible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte ? 8-bit wide of static random access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year informat

文件：205.65 Kbytes 頁數(shù)：17 Pages

MAXIM

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SPI-Compatible RTC in a TDFN

General Description The MAX6902 SPI?-compatible real-time clock contains a real-time clock/calendar and 31 x 8 bits of static random-access memory (SRAM). The real-time clock/calendar provides seconds, minutes, hours, day, date, month, year, and century information. A time/date programmable polle

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