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MC14568

Freescale Semiconductor
Part Number MC14568
Manufacturer Freescale Semiconductor
Description Low-Power CMOS Ionization Smoke Detector
Published Jan 27, 2007
Detailed Description www.DataSheet4U.com Freescale Semiconductor Product Preview Document Number: MC14568 Rev. 1.0, 11/2006 Low-Power CMOS...
Datasheet PDF File MC14568 PDF File

MC14568
MC14568

Overview
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 interconnected so that if any unit senses smoke, all units will sound an alarm.
The MC14568 is supplied in a 16-pin dual in-line plastic package and is des...


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