RE46C140/1/3/4/5 DataSheet

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  CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode


The 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 Name  Value
Type  Photoelectric
Horn Driver Alarm Pattern  NFPA Temporal
Low Battery Detect  True
Alarm Interconnect  True
Sensitivty Timer  True
Alternate Diagnostics Mode  False
Chamber Test  True
Internal POR  True
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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