Description
   The RE46C180 is a next generation low-power, CMOS ionization-type, smoke detector IC. With minimal external components, this circuit will provide all the required features for an ionization-type smoke detector.

FEATUREs
• 6V to 12V Operation
• Low-Quiescent Current Consumption
• Programmable Standby Sensitivity
• Programmable HUSH Sensitivity
• Programmable Hysteresis
• Programmable Chamber Voltage for Push-to-Test
   (PTT) and Chamber Test
• Programmable ±150 mV Low Battery Set Point
• Internal Ionization Chamber Test
• Internal Low Battery Test
• Internal Power-on Reset and Power-up Low
   Battery Test
• Alarm Memory
• Auto Alarm Locate
• Horn Synchronization
• IO Filter and Charge Dump
• Smart Interconnect
• Interconnect up to 40 Detectors
• ±5% All Internal Oscillator
• 9 Minute or 80 Second Timer for Sensitivity
   Control
• Temporal or Continuous Horn Pattern
• Guard Outputs for Ion Detector Input
• ±0.75 pA Detect Input Current
• 10-year End-of-Life Indication