RE46C140SW16TF Microchip Technology, RE46C140SW16TF Datasheet - Page 12

• Manufacturer Part Number: RE46C140SW16TF
• Description: Photoelectric Smoke Detector IC W/temporal, Timer 16 SOIC .300in T/R
• Manufacturer: Microchip Technology
• Type: Smoke Detectorr

Specifications of RE46C140SW16TF

• Input Type: Logic
• Output Type: Logic
• Interface: CMOS
• Current - Supply: 8µA
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Product: Piezoelectric Horn Drivers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RE46C140
CMOS Photoelectric Smoke Detector ASIC with Interconnect
and Timer Mode
Product Specification
2009 © Microchip Technology Inc.
STROBE
IRED
LED
Horn
IO as Output
IO as Input
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.
T
IOFILT
No Alarm
T
IODLY1
T
T
PLED2
PER2
Timing Diagrams (continued)
T
Local or Remote Alarm
HON1
T
IODLY2
Local Alarm Timing (not to scale)
Horn Temporal Pattern
Interconnect Timing
T
HOF1
T
HOF2
A Subsidiary of Microchip Technology Inc.
R&E International
DS22179B-page 12
No Alarm