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RE46C127 데이터시트(PDF) 8 Page - Microchip Technology

부품명 RE46C127
부품 상세설명  CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RE46C127 데이터시트(HTML) 8 Page - Microchip Technology

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RE46C127
CMOS Ionization Smoke Detector ASIC with
R&E International
Interconnect and Timer Mode
A Subsidiary of Microchip Technology Inc.
Product Specification
© 2009 Microchip Technology Inc.
DS22174A-page 8
Timing Diagram (non Timer Mode)
Standby M ode; No Low Battery; No Alarm
Alarm; No Low Battery
Alarm; Low Battery
Oscillator
1.67S
10.5mS
Internal Clock
24 Clock Cycles (40 S)
Ouput High Z
LED
Sample Smoke
THON1
THOF1
Low Battery Warning Chirp
Horn
TIODLY
IO (Pin 2) as Output
Timing not same scale as above
IO Charge Dump
TIOFILT
IO ( Pin 2) as Input
LED supressed in remote alarm mode
TIODLY2
Horn Start of hornpatternis not synchronized to anexternal alarm
Horn pattern not self completing for external alarm
Internal Clock
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
No Alarm; Low Battery
Pin 15 > Pin 13
Pin 15 > Pin 13
Pin 13 > Pin 15; 130mV Level Shift on Pin 13
24 Clock Cycles (1S)


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