RE46C146
CMOS Photoelectric Smoke Detector ASIC with Intelligent IO and Timer Mode
Preliminary Product Specification
Typical Application
R&E International
Figure 2
Notes:
1) The application of the internal 10 minute timer for reduced sensitivity as shown in Figure 2 may be covered by United
States patent RE. 33920.
2) C3 is typical for an alkaline battery. This capacitance should be increased to 4.7uF or greater for a carbon battery. Place C3 as
close as possible to the device power pins.
Telephone 610.992.0727
Facsimile 610.992.0734
E-mail: rande@randeint.com
Page 7 of 12
DS-RE46C146-060605
This datasheet contains PROPRIETARY and CONFIDENTIAL information.