RE46C144 查看數據表（PDF） - R and E International, Inc.

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RE46C144

CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode

R and E International, Inc. 

RE46C144

CMOS Photoelectric Smoke Detector ASIC with Interconnect

and Timer Mode

Product Specification

R&E International

A Subsidiary of Microchip Technology Inc.

Timing Diagrams (continued)

STROBE

IRED

LED

Local Alarm Timing (not to scale)

TPER2

TPLED2

No Alarm

Horn Timing

Local or Remote Alarm

THON1

THOF1

Horn

IO as Output

TIODLY1

Interconnect Timing

IO as Input

TIOFILT

TIODLY2

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

No Alarm

© 2009 Microchip Technology Inc.

DS22180A-page 11

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