Microprocessor and Nonvolatile
Memory Supervisory Circuits
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
MAX792/MAX820
SUPPLY CURRENT vs. TEMPERATURE
MAX792-1
OVERVOLTAGE COMPARATOR
PROPAGATION DELAY vs. TEMPERATURE
MAX792-2
RESET COMPARATOR
PROPAGATION DELAY vs. TEMPERATURE
MAX792-3
100
90
80
SUPPLY CURRENT (µA)
70
60
50
40
30
20
10
0
-60
-30
0
30
60
90
120
V
CC
= 2V
V
CC
= 4V
V
CC
= 3V
V
CC
= 5V
SWT = V
CC
ALL OUTPUTS
UNLOADED
70
80
PROPAGATION DELAY (µs)
PROPAGATION DELAY (µs)
V
IH
TO V
OL
V
IN
= 20mV
OVERDRIVE = 15mV
60
70
50
60
40
50
V
CC
FALLING
15mV OVERDRIVE
EXTERNAL PROGRAMMING MODE
-60
-30
0
30
60
90
120
150
30
150
-60
-30
0
30
60
90
120
150
TEMPERATURE (°C)
TEMPERATURE (°C)
40
TEMPERATURE (°C)
LOW-LINE COMPARATOR
PROPAGATION DELAY vs. TEMPERATURE
MAX792-3a
POWER-UP RESET DELAY
vs. TEMPERATURE
MAX792-4
NOMINAL WATCHDOG TIMEOUT
PERIOD vs. V
CC
NOMINAL WATCHDOG TIMEOUT PERIOD (s)
MAX792-5
600
500
V
CC
= 5V
300
250
200
3.0
PROPAGATION DELAY (µs)
2.5
400
DELAY (ms)
150
100
50
0
2.0
300
V
CC
= 3V
V
CC
FALLING
15mV OVERDRIVE
EXTERNAL PROGRAMMING MODE
-60
-30
0
30
60
90
120
150
200
100
1.5
1.0
-60
-30
0
30
60
90
120
150
2
3
V
CC
(V)
4
5
TEMPERATURE (°C)
TEMPERATURE (°C)
_________________________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
