RE46C152 - CMOS Ionization Smoke Detector ASIC

Microchip Technology

Datasheet Details

The RE46C152 is a low power CMOS ionization type smoke detector IC..

for an ionization type smoke detector. An internal oscillator strobes power to the smoke detection circuitry for 10.5mS every 1.66 seconds to keep standby current to a minimum. A check for a low battery condition is performed every 40 seconds when in standby. The Tone input allows for selection of a temporal pattern or a 2/3 duty cycle continuous tone. The temporal horn pattern supports the NFPA 72 emergency evacuation signal. An interconnect pin allows multiple detectors to be connected such th.

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