NE56605-42 Просмотр технического описания (PDF) - Philips Electronics
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NE56605-42 Datasheet PDF : 16 Pages
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Philips Semiconductors
System reset with built-in watchdog timer
Product data
NE56605-42
TYPICAL PERFORMANCE CURVES
1 .4
Tamb = 35 °C
1 .2
WITHOUT
1.0
CLOCK SIGNALS
TO WATCHDOG
0.8
0.6
WITH
0.4
CLOCK SIGNALS
TO WATCHDOG
0.2
0
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
VCC, POWER SUPPLY VOLTAGE (V)
SL01303
Figure 3. Power supply current versus voltage.
6.0
RESET PULL-UP R = 2.2 kΩ
5.0
4.0
3.0
VSL
VSH
2.0
Tamb = –25 °C
1.0
Tamb = 25 °C
VOL
Tamb = 75 °C
0
0
1.0
2.0
3.0
4.0
5.0
6.0
VCC POWER SUPPLY VOLTAGE (V)
SL01302
Figure 5. RESET output voltage versus supply voltage.
600
VCC = 5.0 V
RESET PULL-UP R = 10 kΩ
500
400
300
Tamb = 75 °C
200
100
0
0
Tamb = 25 °C
Tamb = –25 °C
–0.2 –0.4 –0.6 –0.8 –1.0 –1.2 –1.4
IOL, RESET OUTPUT SINK CURRENT (mA)
–1.6 –1.8
SL01300
Figure 7. RESET saturation versus sink current.
6.0
RESET PULL-UP R = 10 kΩ
5.0
Tamb = –25 °C, 25 °C, 75 °C
4.0
3.0
2.0
VSL
VSH
1.0
VOL
0
0
1.0
2.0
3.0 4.0
5.0
6.0
7.0
8.0
VCC, POWER SUPPLY VOLTAGE (V)
SL01304
Figure 4. RESET output voltage versus supply voltage.
4.5
VCC = RISING (VSH)
VCC = FALLING (VSL)
4.4
VSH
4.3
VSL
4.2
4.1
4.0
–40
–20
0
20
40
60
Tamb, AMBIENT TEMPERATURE (°C)
80
100
SL01301
Figure 6. Detection threshold versus temperature.
600
VCC = 5.0 V
RESET PULL-UP R = 2.2 kΩ
500
400
Tamb = 75 °C
300
200
100
Tamb = 25 °C
Tamb = –25 °C
0
0
–2
–4
–6 –8 –10 –12 –14 –16 –18
IOL, RESET OUTPUT SINK CURRENT (mA)
SL01299
Figure 8. RESET saturation versus sink current.
2001 Aug 22
6
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