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    首頁產(chǎn)品索引MIC1232

    MIC1232

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    Microprocessor Supervisor with Manual Reset, Watchdog Timer, 4.37V or 4.62V Thre

     

    中文數(shù)據(jù)手冊(cè)

    產(chǎn)品信息

    The MIC1232 is a multifunction circuit which monitors microprocessor activity, external reset and power supplies in microprocessor based systems. The circuit functions include a watchdog time, power supply monitor, microprocessor reset, and manual pushbutton reset input.

    The power supply line is monitored with a comparator and an internal voltage reference. /RST is forced low when an out-of-tolerance condition exists and remains asserted for at least 250ms after VCC rises above the threshold voltage (4.5V or 4.75V). The /RST pin will remain logic low with VCC as low as 1.4V.

    The Watchdog input (/ST) monitors μP activity and will assert /RST if no μP activity has occurred with in the watchdog timeout period. The watchdog timeout period is selectable with nominal period of 150, 600, 1200 milliseconds.

       Power OK/Reset time delay, 250ms min.

       Watchdog timer, 150ms, 600ms, or 1.2s typical

       Precision supply voltage monitor, select between 5% or 10% of supply voltage

       Available in 8-pin surface mount (SO)

       Debounced External reset input

       Low supply current, <18μA typical

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    型號(hào)制造商描述購買
    MIC1232MY-TRPanasonic - BSG 立即購買
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