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MC14568 Data Sheet

Low-Power CMOS Ionization Smoke Detector

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MC14568

www.DataSheet4U.com Freescale Semiconductor Product Preview Document Number: MC14568 Rev. 1.0, 11/2006 Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer The MC14568, when used with an ionization chamber and a small number of external components, will detect smoke. When smoke is.

MC14568

Download MC14568 Datasheet

www.DataSheet4U.com Freescale Semiconductor Product Preview Document Number: MC14568 Rev. 1.0, 11/2006 Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer The MC14568, when used with an ionization chamber and a small number of external components, will detect smoke. When smoke is sensed, an alarm is sounded via an external piezoelectric transducer and internal drivers. This circuit is designed to operate in smoke detector systems that comply with UL217 and UL268 specifications. An internal oscillator with associated logic controls the overall functionality by powering down the device for 1.67 seconds and sensing smoke in a 10 ms window. In this way, standby current consumption is reduced to between 5.0 and 9.0 µA, thus providing longer battery life. In addition, a networking capability allows as many as 125 to be inter.




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