RE46C122 R&E International, Inc., RE46C122 Datasheet - Page 8

• Manufacturer Part Number: RE46C122
• Description: CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode
• Manufacturer: R&E International, Inc.

RE46C122
CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode
Product Specification
Telephone [phone]
Page 8 of 10
Oscillator
Internal Clock
LED
Sample Smoke
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 local or remote alarm
3. IO Dump active only in local alarm, inactive if external alarm
Complete Temporal Horn Pattern
Start of horn temporal pattern is not synchronized to an external alarm
Standby Mode; No Low Battery; No Alarm
Pin 15 > Pin 13
1.67S
24 Clock Cycles (40 S)
T
IOFILT
This datasheet contains PROPRIETARY and CONFIDENTIAL information.
10.5mS
T
HON1
Timing not same scale as above
T
HOF1
Timing Diagram (non Timer Mode)
See Figure Below for Complete Horn Cycle
T
IODLY2
Facsimile 610.992.0734
Pin 13 > Pin 15; 130mV Level Shift on Pin 13
T
HOF2
T
Alarm; No Low Battery
IODLY1
24 Clock Cycles (1S)
Horn pattern not self completing for external alarm,see timing below for complete horn cycle
LED supressed in remote alarm mode
Alarm; Low Battery
Pin 15 > Pin 13
E-mail: [e-mail]
DS-RE46C122-121806
No Alarm; Low Battery
R&E International
Low Battery Warning Chirp