RE46C126 R&E International, Inc., RE46C126 Datasheet - Page 7

• Manufacturer Part Number: RE46C126
• Description: CMOS Ionization Smoke Detector ASIC with Interconnect
• Manufacturer: R&E International, Inc.

RE46C126
CMOS Ionization Smoke Detector ASIC with Interconnect
Product Specification
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Page 7 of 8
Oscillator
Internal Clock
LED
DETCOMP (pin1)
Sample Smoke
STROBE
Horn
IO (Pin 2) as Output
IO Charge Dump
IO ( Pin 2) as Input
Horn
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 alarm
3. IO Dump active only in local alarm, inactive if external alarm
Start of horn pattern is not synchronized to an external alarm
(pin 4)
Standby Mode; No Low Battery; No Alarm
Floating
Pin 15 > Pin 13
1.67S
24 Clock Cycles (40 S)
T
IOFILT
This datasheet contains PROPRIETARY and CONFIDENTIAL information.
10.5mS
T
IODLY2
Floating
See Figure Below for Complete Horn Cycle
Timing Diagram
Facsimile 610.992.0734
Pin 13 > Pin 15; 130mV Level Shift on Pin 13
Alarm; No Low Battery
24 Clock Cycles (1S)
Horn pattern not self completing for external alarm
LED supressed in remote alarm mode
T
Alarm; Low Battery
IODMP
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Pin 15 > Pin 13
DS-RE46C126-010907
R&E International
No Alarm; Low Battery
Low Battery Warning Chirp