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MPXM2102AS Datasheet(PDF) 651 Page - Motorola, Inc

Part # MPXM2102AS
Description  Sensor
PDF  670 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MPXM2102AS Datasheet(HTML) 651 Page - Motorola, Inc

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MC145017
4–59
Motorola Sensor Device Data
www.motorola.com/semiconductors
Figure 6. MC145017 Timing Diagram
OSC
PIN 12
SMOKE – N
– Y
LOW BAT – Y
– N
HYST
PIN 13
HORN – ON
– OFF
LED – OFF
– ON
23
4
5
6
7
9
8
NO SMOKE, LOW BATTERY
1
NO SMK
NO LOW BAT
LOW BATTERY CHIRP
&
OSC
PIN 12
SMOKE – N
– Y
NO SMK
23
24 1
6
12
18
24
SMOKE
LATCH ALARM CONDITION
%([100 mV LEVEL SHIFT)
NFPA MOD
&
LOW BAT – Y
– N
HORN – ON
– OFF
LED – OFF
– ON
(NOTE 1)
24 CLOCKS
24 CLOCKS
NOTES:
1. Horn modulation is self–completing. When going from smoke to no smoke, the alarm condition will terminate only when horn is off.
2. Comparators are strobed once per cycle (1.65 sec for no smoke, 40 msec for smoke).
Figure 7. Horn Modulation
NFPA72: TEMPORAL HORN
MODULATION PATTERN
TRADITIONAL 4/6 HORN
MODULATION PATTERN
0.5 SEC
0.5 SEC
0.5 SEC
0.5 SEC
0.5 SEC
1.5 SEC
167 msec
83 msec
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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