RE46C122 데이터 시트보기 (PDF) - R and E International, Inc.

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RE46C122

CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode

R and E International, Inc. 

RE46C122

CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode

Preliminary Product Specification

R&E International

Timing Diagram (non Timer Mode)

Standby M ode; No Low Battery; No Alarm

Alarm; No Low Battery

Alarm; Low Battery

No Alarm; Low Battery

Oscillator

Internal Clock

LED

Pin 15 > Pin 13

1.67S

11mS

24 Clock Cycles (40 S)

Pin 13 > Pin 15; 130mV Level Shift on Pin 13

24 Clock Cycles (1S)

Pin 15 > Pin 13

Sample Smoke

Horn

IO (Pin 2) as Output

IO Charge Dump

See Figure Below f or Complet e Horn Cycle

TIODLY

Timing not same scale as above

Low Battery Warning Chirp

IO ( Pin 2) as Input

LED supressed in remote alarm mode

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

Internal Clock

Horn patt ern not self completing for ext ernal alarm,see t iming below for complete horn cycle

Notes:

1. Smoke is not sampled w hen the horn is active. Horn cycle is self completing in local alarm.

2. Low battery w arning chirp is suppressed in local or remote alarm

3. IO Dump active only in local alarm, inactive if external alarm

THON1 THOF1

THOF2

Complete Temporal Horn Pattern

Telephone 610.992.0727

Facsimile 610.992.0734

E-mail: rande@randeint.com

Page 7 of 9

DS-RE46C122-060104

This datasheet contains PROPRIETARY and CONFIDENTIAL information.

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