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RE46C165SW16F Datasheet(PDF) 3 Page - Microchip Technology

Part # RE46C165SW16F
Description  CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory
PDF  30 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RE46C165SW16F Datasheet(HTML) 3 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22251A-page 3
RE46C165/6/7/8
Typical Application
Push-to-Test
9V
Battery
C3 (1,2)
1µF
C5
1.5 nF
R12
10M
R9
100k
R13
330
D3
C6(3)
1.0 nF
R10(3)
1.5M
R11(3)
220k
R8
330
C7
10 µF
R7
22
C4
100 µF
D5
D6
R4
560
C2 4.7 nF
C1 47 nF
R1
4.7k
R2
5k
R3
8.2k
RADJ2
120k
RADJ1
1.0M
R6
1k
C1
C2
DETECT
STROBE
VDD
VSS
IRED
IO
HORNB
HORNS
FEED
LED
COSC
ROSC
VSEN
TEST
R5
249k
To Other Units
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Note 1:
C3 should be located as close as possible to the device power pins.
2:
C3 is typical for an alkaline battery. This capacitance should be increased to 4.7 µF or greater for a
carbon battery.
3:
R10, R11 and C6 are typical values and may be adjusted to maximize sound pressure.
Photo
Chamber
Q3



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