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RE46C126 Datasheet(PDF) 3 Page - Microchip Technology |
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RE46C126 Datasheet(HTML) 3 Page - Microchip Technology |
3 / 8 page RE46C126 CMOS Ionization Smoke Detector ASIC with Interconnect R&E International Product Specification A Subsidiary of Microchip Technology Inc. © 2009 Microchip Technology Inc. DS22170A-page 3 AC Electrical Characteristics at TA = 25°C, VDD=9V, OSCAP=.1uF, RBIAS=8.2MΩ, VSS=0V (unless otherwise noted) Limits Parameter Symbol Test Pin Test Conditions Min Typ Max Units TPER1 12 No Alarm Condition 1.34 1.67 2 S Oscillator Period TPER2 12 Alarm Condition 37.5 41.5 45.8 mS Oscillator Pulse Width TPW 5 Operating 9.1 10.5 12.9 mS LED On Time TLON 5 Operating 9.1 10.5 12.9 mS TLOF1 5 Standby, No Alarm 32 40 48 S LED Off Time TLOF2 5 Alarm Condition .9 1 1.1 S THON1 10,11 Operating, Alarm Condition, Note 4 141 166 190 mS Horn On Time THON2 10,11 Low Battery, No Alarm 9.4 10.5 12.9 mS THOF1 10,11 Operating, Alarm Condition, Note 4 71 83 95 mS Horn Off Time THOF3 10,11 Low Battery, No Alarm 32 40 48 S IO Charge Dump Duration TIODMP 2 At Conclusion of Local Alarm or Test 1.34 1.67 2.0 S IO Delay TIODLY1 2 From Start of Local Alarm to IO Active 3 S IO Filter TIOFILT 2 IO pulse width guaranteed to be filtered. IO as Input, No Local Alarm 450 mS Remote Alarm Delay TIODLY2 2 No Local Alarm, IO as input, From IO active to Horn Active .450 2.2 S Note 4 – See the timing diagram for the horn 2/3 duty cycle pattern. |
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