RE46C146
CMOS Photoelectric Smoke Detector ASIC with
Intelligent IO and Timer Mode
Product Specification
R&E International
A Subsidiary of Microchip Technology Inc.
Typical Application
Figure 2
Notes:
1) 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.
© 2009 Microchip Technology Inc.
DS22176A-page 8