RE46C144 데이터 시트보기 (PDF) - Microchip Technology

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RE46C144

CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode

Microchip Technology 

RE46C144

STROBE

IRED

LED

TPER2

Local Alarm Timing (not to scale)

TPLED2

No Alarm

Horn Timing

Local or Remote Alarm

THON1 THOF1

No Alarm

Horn

TIODLY1

IO as Output

TIOFILT

Interconnect Timing

TIODLY2

IO as Input

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

FIGURE 3-2:

RE46C144 Timing Diagram – Local Alarm, Horn and Interconnect Timings.

DS22180C-page 12

 2009-2012 Microchip Technology Inc.

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