RE46C165 Microchip Technology Inc., RE46C165 Datasheet - Page 16

• Manufacturer Part Number: RE46C165
• Description: Cmos Photoelectric Smoke Detector Asic With Interconnect, Timer Mode And Alarm Memory
• Manufacturer: Microchip Technology Inc.

RE46C165/6/7/8
FIGURE 3-2:
DS22251A-page 16
STROBE
IRED
LED
TEST
STROBE
IRED
Temporal Horn
Continuous Horn
IO as output
IO as input
STROBE
Notes:
1. Smoke is not sampled when the horn is active.
2. Low battery warning chirp is suppressed in local or remote alarm
3. IO Dump active only in local alarm, inactive if external alarm
Local Alarm Timing
Push To Test Alarm Timing
Horn Patterns
Interconnect Timing
RE46C165/6/7/8 Timing Diagram – Local and Remote Alarm.
T
T
PLED2
PER1
T
IOFILT
No Alarm
No Alarm
T
IODLY1
T
PER2
T
T
IODLY2
T
IODLY2
PER4
T
T
HON1
T
HON1
PER3
T
PLED2
Remote/External Alarm
T
T
HOF1
HOF1
Local Alarm
T
PER5
T
HOF2
T
PER4
 2010 Microchip Technology Inc.
T
No Alarm
No Alarm
IODMP