SC70, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
SUPPLY CURRENT vs. TEMPERATURE
POWER-DOWN RESET DELAY
vs. TEMPERATURE
NORMALIZED POWER-UP RESET TIMEOUT
vs. TEMPERATURE
(NO LOAD)
9
43
41
39
37
35
33
31
29
27
25
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
8
7
V
= +3.0V
CC
V
= +3.6V
CC
V
= +5.5V
CC
6
5
4
3
2
1
0
V
= +1.8V
CC
V
= +2.5V
CC
V
= +1.8V
CC
-40 -25 -10
5
20 35 50 65 80 95 110 125
-40 -25 -10
5
20 35 50 65 80 95 110 125
-40 -25 -10
5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
OUTPUT VOLTAGE LOW
vs. SINK CURRENT
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
OUTPUT VOLTAGE HIGH
vs. SOURCE CURRENT
1.2
1.0
0.8
0.6
0.4
0.2
0
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.990
3.0
2.5
2.0
1.5
1.0
0.5
0
V
= +2.5V
CC
V
CC
= +3.0V
V
= +1.8V
500
CC
V
= +4.5V
CC
0
3
6
9
12
-40 -25 -10
5
20 35 50 65 80 95 110 125
0
250
750 1000 1250 1500
I
(mA)
TEMPERATURE (°C)
SINK
I
(µA)
SOURCE
MAXIMUM TRANSIENT DURATION
vs. RESET COMPARATOR OVERDRIVE
RESET IN TO RESET DELAY
vs. TEMPERATURE
500
5.5
5.3
5.1
4.9
4.7
4.5
4.3
4.1
3.9
3.7
3.5
450
400
350
300
RESET ASSERTED
ABOVE THIS LINE
250
200
150
100
50
0
1
10
100
1000
-40 -25 -10
5
20 35 50 65 80 95 110 125
RESET COMPARATOR OVERDRIVE, V - V (mV)
TEMPERATURE (°C)
TH
CC
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
