MC145017 데이터 시트보기 (PDF) - Motorola => Freescale
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MC145017
Motorola => Freescale
MC145017 Datasheet PDF : 8 Pages
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TIMING PARAMETERS (C = 0.1 µF, Rbias = 8.2 MΩ, VDD = 9.0 V, TA = 25°C, See Figure 6)
Characteristics
Symbol
Min
Oscillator Period
No Smoke
tCI
Smoke
1.46
37.5
Oscillator Rise Time
Horn Output
(During Smoke)
LED Output
Pulses
Horn Output
(During Low Battery)
Pulses
On Time
Off Time
Between
On Time
On Time
Between
tr
PWon
PWoff
tLED
PWon
ton
toff
10.1
450
450
35.0
10.1
10.1
35.0
MC145017
Max
Units
1.85
s
45.8
ms
12.3
ms
550
ms
550
ms
44.5
s
12.3
ms
12.3
ms
44.5
s
VDD
VDD
80 K
3
1045 K
13
1125 K
4 LOW BATTERY COMP.
–
LATCH
+
7
VDD
OSCILLATOR
TIMER
12
+
LATCH
–
15
1
DETECT INPUT
VDD
+
14 LO–Z
–
ACTIVE
GUARD
PIEZOELECTRIC
HORN DRIVER
8
11
10
VDD
5
6
9
LED DRIVER
16 HI–Z
Figure 1. Block Diagram
Motorola Sensor Device Data
3
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