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RE46C121 - CMOS Ionization Smoke Detector ASIC

Datasheet Summary

Description

The RE46C121 is low power CMOS ionization type smoke detector IC.

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 unit alarms all units will sound. Although this device was designed for smoke detec.

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Datasheet Details

Part number RE46C121
Manufacturer R & E International
File Size 196.78 KB
Description CMOS Ionization Smoke Detector ASIC
Datasheet download datasheet RE46C121 Datasheet
Additional preview pages of the RE46C121 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com R&E International RE46C121 CMOS Ionization Smoke Detector ASIC with Interconnect Product Specification General Description The RE46C121 is low power CMOS ionization type smoke detector IC. With few external components this circuit will provide all the required 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 unit alarms all units will sound.
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