Datasheet

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