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RE46C141S16F

Description
Smoke Detectors PHOTO SMOKE DET IC W/TEMPORAL
CategoryThe sensor   
File Size176KB,13 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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RE46C141S16F Overview

Smoke Detectors PHOTO SMOKE DET IC W/TEMPORAL

RE46C141S16F Parametric

Parameter NameAttribute value
Product CategorySmoke Detectors
ManufacturerMicrochip
RoHSDetails
Description/FunctionCMOS Photoelectric Smoke Detector ASIC with Interconnect
Sensing MethodPhotoelectric
Output Signal TypeTemporal Tone
Operating Supply Current5.5 uA
Operating Supply Voltage12 V
Maximum Operating Temperature+ 75 C
Minimum Operating Temperature- 25 C
Mounting StyleSMD/SMT
Package / CaseSOIC-16 Narrow
PackagingTube
Factory Pack Quantity50
Supply Voltage - Max12 V
Supply Voltage - Min6 V
TypeCMOS Photoelectric Smoke Detector ASIC with Interconnect
Unit Weight0.059966 oz
R&E International
A Subsidiary of Microchip Technology Inc.
RE46C141
CMOS Photoelectric Smoke Detector ASIC with Interconnect
Product Specification
General Description
The RE46C141 is low power CMOS photoelectric type
smoke detector IC. With minimal external components
this circuit will provide all the required features for a
photoelectric type smoke detector.
The design incorporates a gain selectable photo
amplifier for use with an infrared emitter/detector pair.
An internal oscillator strobes power to the smoke
detection circuitry for 100us every 8.1 seconds to keep
standby current to a minimum. If smoke is sensed the
detection rate is increased to verify an alarm condition.
A high gain mode is available for push button chamber
testing.
A check for a low battery condition and chamber
integrity is performed every 32 seconds when in
standby. The temporal horn pattern supports the NFPA
72 emergency evacuation signal.
An interconnect pin allows multiple detectors to be
connected such that when one units alarms, all units
will sound.
The RE46C141 is recognized by Underwriters
Laboratories for use in smoke detectors that comply
with specification UL217 and UL268.
Features
Internal Power On Reset
Low Quiescent Current Consumption
Available in 16L PDIP, 16L N SOIC or 16L W SOIC
ESD Protection on all Pins
Interconnect up to 40 Detectors
Temporal Horn Pattern
Low Battery and Chamber Test
Compatible with Motorola MC145012
UL Recognized per File S24036
Available in Standard Packaging or RoHS
Compliant Pb Free Packaging.
Pin Configuration
C1
C2
DETECT
STROBE
VDD
IRED
IO
HORNB
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TEST
LBSET
VSS
ROSC
COSC
LED
FEED
HORNS
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Input Voltage Range Except FEED, IO
FEED Input Voltage Range
IO Input Voltage Range
Input Current except FEED
Operating Temperature
Storage Temperature
Maximum Junction Temperature
SYMBOL
V
DD
V
in
V
infd
V
io1
I
in
T
A
T
STG
T
J
VALUE
12.5
-.3 to V
dd
+.3
-10 to +22
-.3 to 17
10
-25 to 75
-55 to 125
150
UNITS
V
V
V
V
mA
°C
°C
°C
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are
stress ratings only and operation at these conditions for extended periods may affect device reliability.
This product utilizes CMOS technology with static protection; however proper ESD prevention procedures should be used when
handling this product. Damage can occur when exposed to extremely high static electrical charge.
© 2009 Microchip Technology Inc.
DS22177B-page 1

RE46C141S16F Related Products

RE46C141S16F RE46C141SW16TF RE46C141SW16F
Description Smoke Detectors PHOTO SMOKE DET IC W/TEMPORAL Smoke Detectors PHOTO SMOKE DET IC W/TEMPORAL Smoke Detectors PHOTO SMOKE DET IC W/TEMPORAL
Product Category Smoke Detectors Smoke Detectors Smoke Detectors
Manufacturer Microchip Microchip Microchip
RoHS Details Details Details
Description/Function CMOS Photoelectric Smoke Detector ASIC with Interconnect CMOS Photoelectric Smoke Detector ASIC with Interconnect CMOS Photoelectric Smoke Detector ASIC with Interconnect
Sensing Method Photoelectric Photoelectric Photoelectric
Output Signal Type Temporal Tone Temporal Tone Temporal Tone
Operating Supply Current 5.5 uA 5.5 uA 5.5 uA
Operating Supply Voltage 12 V 12 V 12 V
Maximum Operating Temperature + 75 C + 75 C + 75 C
Minimum Operating Temperature - 25 C - 25 C - 25 C
Mounting Style SMD/SMT SMD/SMT SMD/SMT
Package / Case SOIC-16 Narrow SOIC-16 Wide SOIC-16 Wide
Packaging Tube Reel Tube
Factory Pack Quantity 50 1000 47
Supply Voltage - Max 12 V - 12 V
Supply Voltage - Min 6 V - 6 V
Type CMOS Photoelectric Smoke Detector ASIC with Interconnect - CMOS Photoelectric Smoke Detector ASIC with Interconnect
Unit Weight 0.059966 oz - 0.059966 oz
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