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NE555 GENERAL PURPOSE SINGLE BIPOLAR TIMERS

消耗积分:1 | 格式:pdf | 大小:110KB | 2015-01-11

强森

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TheNE555monolithictimingcircuitisahighlystable controllercapableofproducingaccuratetimedelays or oscillation。 In the time delay mode of operation，the time is precisely controlled by one external re-sistorandcapacitor.Forastableoperationasanos-cillator，thefree runningfrequencyand theduty cy-cle areboth accuratelycontrolled with twoexternal resistors and one capacitor.The circuit maybe trig-gered and reset on falling waveforms, andtheout-put structurecan source or sink up to 200mA。 The NE555 is available in plastic and ceramic minidip packageandin a8-leadmicropackageandinmetal can packageversion。

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