Datasheets»Microchip Technology»RE46C145 Datasheet

RE46C145 Datasheet - Page 12

Download or read online Microchip Technology RE46C145 CMOS Photoelectric Smoke Detector ASIC With Interconnect And Timer Mode pdf datasheet.



Page
12 of 26
prevnext
RE46C145
STROBE
IRED
LED
No Alarm
Horn
T
IODLY1
IO as Output
T
IOFILT
IO as Input
Note 1: Smoke is not sampled when the horn is active. Horn cycle is self completing in local alarm, but not in
remote 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.
FIGURE 3-2:
RE46C145 Timing Diagram – Local Alarm, Horn and Interconnect Timings.
DS22181C-page 12
Local Alarm Timing (not to scale)
T
PER2
T
PLED2
Local or Remote Alarm
Horn Temporal Pattern
T
T
T
HON1
HOF1
HOF2
Interconnect Timing
T
IODLY2
No Alarm
 2009-2012 Microchip Technology Inc.

Comments to this Datasheet