Datasheet

4-Pin, Ultra-Low-Voltage, Low-Power
µP Reset Circuits with Manual Reset
_______________________________________________________________________________________ 3
2.0
2.6
2.2
3.0
3.6
3.8
3.4
3.2
4.0
-60
2.4
-40 -20 0
2.8
20 40 60 80 100
SUPPLY CURRENT vs. TEMPERATURE
MAX6335/36/37 toc-1
TEMPERATURE (°C)
I
CC
(µA)
RESET NOT ASSERTED
V
CC
= 2.5V
V
CC
= 1.8V
0.950
0.990
0.970
1.000
1.030
1.040
1.020
1.010
1.050
-60 -40
0.980
-20 0
0.960
20 40 60 80 100
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6335/36/37-2
TEMPERATURE (°C)
NORMALIZED RESET TIMEOUT PERIOD
V
TH
= 2.2V
0
20
10
30
60
70
50
40
80
0.50 1.00 1.50 2.00 2.50 3.00
OUTPUT VOLTAGE LOW
vs. SUPPLY VOLTAGE
MAX6335/36/37 toc-3
V
CC
(V)
OUTPUT VOLTAGE LOW (mV)
V
TH
= 2.5V
I
SINK
= 500µA
RESET ASSERTED
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
0
40
20
80
60
100
120
140
160
0.5 1.0 1.250.75 1.5 1.75 2.0 2.25 2.5
OUTPUT VOLTAGE HIGH
vs. SUPPLY VOLTAGE
MAX6335/36/37 toc-4
V
CC
(V)
OUTPUT VOLTAGE HIGH (V
CC
- V
OH
) (mV)
V
TH
= 2.2V
I
SOURCE = 100µA
RESET ASSERTED
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
100 1000
0
100
200
400
300
500
600
0.1 1 10
MAXIMUM TRANSIENT DURATION
vs. RESET COMPARATOR OVERDRIVE
MAX6335/36/37 toc-5
RESET COMPARATOR OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (µs)
RESET OCCURS
RESET DOES
NOT OCCUR
10
20
-20
40
30
70
60
50
80
-60 0-40 20 406080100
V
CC
FALLING PROPAGATION DELAY
vs. TEMPERATURE
MAX6332/33/34 toc-6
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
V
CC
FALLING AT 10V/ms
V
CC
FALLING AT 1V/ms
__________________________________________Typical Operating Characteristics
(Reset not asserted, T
A
= +25°C, unless otherwise noted.)
MAX6335/MAX6336/MAX6337