MC145018 データシートの表示（PDF） - Motorola => Freescale
部品番号
コンポーネント説明
メーカー
MC145018
Motorola => Freescale
MC145018 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
MC145018
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
TO OTHER UNITS
I/O FEEDBACK
2
8
45 K
LOW V SET 3
DETECT 1
COMP. OUT
SENSITIVITY 13
SET
325 K
4
STROBE OUT
LOW BATTERY
+ COMPARATOR
–
280 K
DETECT
COMPARATOR
+
–
15 DETECT
INPUT
GUARD
AMP LO–Z VDD
+
14
–
ALARM
LOGIC
POWER–ON
RESET
HI–Z
16
OSC
AND
TIMING
11
SILVER
10
BRASS
5
LED
VDD = PIN 6
VSS = PIN 9
12
7
VDD
Figure 1. Block Diagram
Motorola Sensor Device Data
3
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