Datasheet

MAX817L/M, MAX818L/M, MAX819L/M*
+5V Microprocessor Supervisory Circuits
6 _______________________________________________________________________________________
0
04
BATTERY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX817/18/19-12
V
CC
(V)
BATTERY SUPPLY CURRENT (µA)
123 56
1
2
3
4
5
6
7
8
0
-40 40
CE IN TO CE OUT PROPAGATION DELAY
vs. TEMPERATURE
MAX817/18/19-13
TEMPERATURE (°C)
CE IN TO CE OUT PROPAGATION DELAY (ns)
-20 0 20
t
PD
-
t
PD
+
80 10060
1
2
3
4
5
6
7
20
MAX817/MAX819 PFI THRESHOLD
vs. TEMPERATURE
MAX817/18/19-14
TEMPERATURE (°C)
THRESHOLD (V)
-40 -20 0 60 80 10040
1.244
1.242
1.240
1.246
1.248
1.250
1.252
1.254
4.3
-40 40
RESET THRESHOLD
vs. TEMPERATURE
4.5
MAX817/18/19-10
TEMPERATURE (°C)
RESET THRESHOLD (V)
-20 0 20 8060
4.6
4.7
4.4
MAX81_L
MAX81_M
1000
1200
1400
1600
0
110100 1000 10,000
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
200
MAX817/18/19-11
RESET COMPARATOR OVERDRIVE, V
TH
-V
CC
(mV)
MAXIMUM TRANSIENT DURATION (µs)
400
600
800
RESET OCCURS
ABOVE CURVE
20
MAX817/MAX819 PFI TO PFO PROPAGATION
DELAY vs. TEMPERATURE
MAX817/18/19-15
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
-40 -20 0 60 80 10040
28
29
30
31
32
33
____________________________Typical Operating Characteristics (continued)
(V
CC
= +5V, V
BATT
= 3.0V, T
A
= +25°C, unless otherwise noted.)