Datasheet

MAX6323/MAX6324
µP Supervisory Circuits with Windowed
(Min/Max) Watchdog and Manual Reset
4 _______________________________________________________________________________________
0
30
35
40
25
20
15
10
5
-40 200-20 40 60 80
MAX6323/24-01
TEMPERATURE (
°
C)
SUPPLY CURRENT vs. TEMPERATURE
SUPPLY CURRENT (µA)
V
CC
= 5.5V
V
CC
= 3.3V
V
CC
= 1.0V
0
30
20
5
-40 200-20 40 60 80
MAX6323/24-02
TEMPERATURE (
°
C)
POWER-DOWN RESET DELAY (µs)
POWER-DOWN RESET DELAY
vs. TEMPERATURE
V
OD
= 20mV
V
OD
= 100mV
25
15
10
0.9985
0.9990
0.9995
1.0000
1.0005
-40 200-20 40 60 80
MAX6323/24-04
TEMPERATURE (
°
C)
RESET THRESHOLD
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
0.9980
0.994
1.004
1.006
1.008
-40 200-20 40 60 80
MAX6323/24-05
TEMPERATURE (
°
C)
POWER-UP RESET TIMEOUT
NORMALIZED POWER-UP RESET TIMEOUT
vs. TEMPERATURE
1.002
1.000
0.998
0.996
0.992
1.004
1.002
1.000
0.998
1.006
1.008
-40 200-20 40 60 80
MAX6323/24-06
TEMPERATURE (
°
C)
NORMALIZED WATCHDOG TIMEOUT
PERIOD (FAST) vs. TEMPERATURE
NORMALIZED WATCHDOG TIMEOUT PERIOD (FAST)
0.996
0.994
0.995
1.000
1.001
0.999
0.997
0.998
0.996
1.002
1.003
-40 200-20 40 60 80
MAX6323/24-07
TEMPERATURE (°C)
NORMALIZED WATCHDOG TIMEOUT
PERIOD (SLOW) vs. TEMPERATURE
NORMALIZED WATCHDOG TIMEOUT PERIOD (SLOW)
0.992
1.004
1.002
1.000
1.006
1.008
-40 200-20 40 60 80
MAX6323/24-08
TEMPERATURE (°C)
NORMALIZED WATCHDOG OUTPUT PULSE WIDTH (µs)
NORMALIZED WATCHDOG OUTPUT
PULSE WIDTH vs. TEMPERATURE
0.998
0.996
0.994
V
OD
= V
TH
- V
CC
400
0
1 100 1000
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
100
50
150
200
250
300
350
MAX6323/24-09
RESET COMPARATOR OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (µs)
10
MAX632_AUT23
RESET ASSERTED
ABOVE THIS LINE
Typical Operating Characteristics
(V
CC
= full range, T
A
= +25°C, unless otherwise noted.)
40
120
100
80
60
140
160
-40 200-20 40 60 80
MAX6323/24-03
TEMPERATURE (
°
C)
MR TO RESET DELAY (ns)
MR TO RESET DELAY
vs. TEMPERATURE
20
0