MC14468 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
Manufacturer
MC14468 Datasheet PDF : 9 Pages
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Table 4. Timing Parameters
(C = 0.1 µF, Rbias = 8.2 MΩ, VDD = 9.0 V, TA = 25°C, See Figure 7)
Characteristics
Symbol
Min
Typ(1)
Max
Oscillator Period
No Smoke
tCI
1.34
1.67
20
Smoke
32
40
48
Oscillator Rise Time
Horn Output
(During Smoke)
LED Output
Horn Output
(During Low Battery)
tR
8.0
10
12
On Time
PWON
120
160
208
Off Time
PWOFF
60
80
104
Between Pulses
tLED
32
40
48
On time
PWON
8.0
10
12
On Time
tON
8.0
10
12
Between Pulses
tOFF
32
40
48
1. Data labelled “Typ'' is not to be used for design purposes, but is intended as an indication of the IC's potential performance.
Units
s
ms
ms
ms
ms
s
ms
ms
s
100.0
VDD = 9.0 Vdc
10.0
VDD = 7.2 Vdc
10.0
TA = 25°C
1.0
VDD = 9.0 Vdc or 7.2 Vdc
TA = 25°C
1.0
0.1
P-CH Source
and N-CH
Sink Current
0.1
0.01
0 1 2 3 4 5 6 7 8 9 10
0 1 2 3 4 5 6 7 8 9 10
VDS, Drain To Source Voltage (Vdc)
VDS, Drain To Source Voltage (Vdc)
Figure 3. Typical LED Output
I-V Characteristic
Figure 4. Typical Comparator Output
I-V Characteristic
1000.0
100.0 VDD = 9.0 Vdc
TA = 25°C
1000.0
VDD = 9.0 Vdc
100.0
TA = 25°C
VDD = 7.2 Vdc
10.0
VDD = 7.2 Vdc
10.0
P-CH Source Current
1.0
0 1 2 3 4 5 6 7 8 9 10
VDS, Drain To Source Voltage (Vdc)
N-CH Sink Current
1.0
0 1 2 3 4 5 6 7 8 9 10
VDS, Drain To Source Voltage (Vdc)
Figure 5. Typical P Horn Driver Output
I-V Characteristic
MC14468
4
Sensors
Freescale Semiconductor
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