RE46C122 Datasheet CMOS Ionization Smoke Detector Asic

Manufacturer: Microchip Technology

Overview: R&E International A Subsidiary of Microchip Technology Inc. RE46C122 CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode Product Specification.

Datasheet Details

Part number	RE46C122
Manufacturer	Microchip Technology
File Size	172.56 KB
Description	CMOS Ionization Smoke Detector ASIC
Datasheet	RE46C122-Microchip.pdf

General Description

The RE46C122 is low power CMOS ionization type smoke detector IC.

With few external components this circuit will provide all the required

Key Features

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 temporal horn pattern supports the NFPA 72 emergency evacuation signal. An interconnect pin allows multiple detectors to be connected such that when one units alarms all units will sound. An internal 10 minute timer allows for a separat.

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