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MAX981CUA

MAX981CUA资料
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File Size : 116 KB Manufacturer:MAXIM Description:DESCRIPTION The TL7700Aseriesaremonolithicintegratedcircuit supplyvoltagesupervisorsspecifically desi-gnedfor use as reset controllers in microcomputer and mi- croprocessor systems. During power-up the device tests the supply voltage and keeps the RESET and RESET outputs active (high and low, respectively) as long as the supply voltage has not reached its nominal voltage value. Taking RESIN low has the same effect. To ensure that the microcomputer sys- tem hasreset, the TL7700Athen initiates aninternal time delay that delays the return of the reset outputs to theirinactivestates. Since the timedelay for most microcomputersand microprocessors is in the order of several machine cycles, the device internal time delay is determined by an external time delay is de- termined by an external capacitor connected to the CT input (pin 3). td = 1.3 x 104 x CT Where : CT is in farads (F) and td in seconds (s). In addition, when the supply voltage drops below the nominal value, the outputs will be active until the supply voltage returns to the nominal value. An ex- ternalcapacitor(typically0.1 µF) must be connected to the REF output (pin 1) to reduce the influence of fast transients in the supply voltage. The TL7700AI series is characterized for operation from C 25oC to 85oC ; the TL7700AC series is char- acterized from 0oC to 70oC.

	1PCS	100PCS	1K	10K
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型号：MAX981CUA 厂家：MAXIM 封装：MSOP-8 批号：06+ 数量：62 说明：QQ：104735486 611606076


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