MC146012 Overview
Freescale Semiconductor Technical Data Document Number: MC146012 Rev 0, 09/2005 Low Power CMOS Photoelectric Smoke Detector IC The MC146012 is an advanced smoke detector ponent containing sophisticated very-low power analog and digital circuitry. The IC, when used with an infrared photoelectric chamber and a small number of external ponents, will detect smoke by sensing scattered light from smoke particles.
MC146012 Key Features
- Integrated Mute Function (IMF) to Temporarily Disable Horn Alarm Memory to Help Identify Alarming Unit Speed-Up Sampling
- 3.5 V VDD
- 4.0 V REF GATE ON/OFF TIMING LOGIC P + LOW SUPPLY ALARM, MUTE, & RESET LOGIC
- 5.0 V REF P + PIN 5 = VDD PIN 14 = VSS