RE46C140/1/3/4/5 DataSheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifCMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer ModeThe RE46C140 is low power CMOS photoelectric type smoke detector IC. With minimal external components this circuit will provide all the required features for a photoelectric type smoke detector. The RE46C140 was designed for use in smoke detectors that comply with Underwriters Laboratory Specification UL217 and UL268.
Parameter NameValue
TypePhotoelectric
Horn Driver Alarm PatternNFPA Temporal
Low Battery DetectTrue
Alarm InterconnectTrue
Sensitivty TimerTrue
Alternate Diagnostics ModeFalse
Chamber TestTrue
Internal PORTrue
Operating Temperature Range (C)-25C to 75C
Features
Internal Power On Reset
Low Quiescent Current Consumption
Available in 16L PDIP or 16L N SOIC
ESD Protection on all Pins
Interconnect up to 40 Detectors
10 Minute Timer for Sensitivity Control
Temporal Horn Pattern
Internal Low Battery and Chamber Test
Compatible with Allegro A5366
Available in Standard Packaging or RoHS Compliant Pb Free Packaging.
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