RE46C129 Ver la hoja de datos (PDF) - Microchip Technology

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RE46C129

CMOS Ionization Smoke Detector ASIC with Interconnect

Microchip Technology 

RE46C129

CMOS Ionization Smoke Detector ASIC with Interconnect

Product Specification

R&E International

A Subsidiary of Microchip Technology Inc.

Internal Clock

LED

Pin 15 < Pin 13

TPER1

TPW

24 Clock Cycles (40 S)

Timing Diagram

Pin 15 > Pin 13

Pin 15 < Pin 13

24 Clock Cycles (1S)

Ouput High Z

Sample Smoke

THON1

THOF1

Horn

IO (Pin 2) as Output

Timing not same scale as above

TIODLY1

IO Charge Dump

IO ( Pin 2) as Input

TIOFILT

TIODLY2

Horn Start of horn pattern is not synchronized to an external alarm

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.

LED supressed in remote alarm mode

Horn pattern not self completing for external alarm

Low Battery Warning Chirp

© 2009 Microchip Technology Inc.

DS22172B-page 7

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