RE46C129
CMOS Ionization Smoke Detector ASIC with Interconnect
Product Specification
R&E International
Timing Diagram
Pin 15 < Pin 13
Pin 15 > Pin 13
Pin 15 < Pin 13
T
PER1
T
PW
Internal Clock
24 Clock Cycles (40 S)
24 Clock Cycles (1S)
Ouput High Z
LED
Sample Smoke
T
HON1
T
HOF1
Low Battery Warning Chirp
Horn
T
IODLY1
IO (Pin 2) as Output
IO Charge Dump
T
IOFILT
Timing not same scale as above
IO ( Pin 2) as Input
T
IODLY2
LED supressed in remote alarm mode
Horn
Start of horn pattern is not synchronized to an external alarm
Horn pattern not self completing for external alarm
Internal Clock
Notes:
1. Smoke is not sampled when the horn is active. Horn cycle is self completing in local alarm.
2. Low battery warning chirp is suppressed in local or remote alarm.
3. IO Dump active only in local alarm, inactive if external alarm.
Telephone 610.992.0727
Page 7 of 8
E-mail: rande@randeint.com
DS-RE46C129-121806
This datasheet contains PROPRIETARY and CONFIDENTIAL information.
Facsimile 610.992.0734
RANDE [ R & E INTERNATIONAL, INC. ]
