RE46C141 데이터 시트보기 (PDF) - Microchip Technology

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RE46C141

CMOS Photoelectric Smoke Detector ASIC with Interconnect

Microchip Technology 

RE46C141

CMOS Photoelectric Smoke Detector ASIC with Interconnect

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

IO as Output

IO as Input

TIOFILT

TIODLY1

Local or Remote Alarm

Horn Temporal Pattern

THON1

THOF1

THOF2

Interconnect Timing

TIODLY2

No Alarm

Notes:

1. Smoke is not sampled when the horn is active. Horn cycle is self completing in local alarm but not in remote 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.

© 2009 Microchip Technology Inc.

DS22177A-page 11

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