Datasheet

(Reset not asserted, T
A
= +25°C, unless otherwise noted.)
Note 1: All parts are production tested at T
A
= +25°C. Over temperature limits are guaranteed by design and not production tested.
Note 2: I
SOURCE
for the MAX6803 is 100nA; I
SINK
for the MAX6804 is 100nA; I
SINK
for the MAX6805 is 50µA.
(V
CC
= full range, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at V
CC
= +5.0V and T
A
= +25°C, reset not
asserted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RESET Output Voltage
(MAX6803)
V
OH
Reset
asserted
I
SOURCE
= 1µA, V
CC
≥ 1.0V 0.8
×
V
CC
VI
SOURCE
= 200µA, V
CC
≥ 1.8V 0.8
×
V
CC
I
SOURCE
= 800µA, V
CC
≥ 4.25V 0.8
×
V
CC
V
OL
Reset not
asserted
I
SINK
= 1.2mA, V
CC
≥ 3.0V 0.3
V
I
SINK
= 3.2mA, V
CC
≥ 5.0V 0.4
RESET Output Leakage Current
(MAX6805)
V
CC
> V
TH
, RESET not asserted 0.5 µA
0
30
20
10
50
40
90
80
70
60
100
-50 -25 0 25 50 75 100 125
V
CC
FALLING PROPAGATION DELAY
vs. TEMPERATURE
MAX6803/04/05 toc06
TEMPERATURE (°C)
POROPAGATION DELAY (µs)
V
CC
= FALLING AT 1V/ms
V
CC
= FALLING AT 10V/ms
100 1000
0
100
200
400
300
500
600
0.1 1 10
MAXIMUM TRANSIENT DURATION
vs. RESET COMPARATOR OVERDRIVE
MAX6803/04/05 toc05
RESET COMPARATOR OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (µs)
RESET OCCURS
RESET DOES
NOT OCCUR
100
75
50
25
0
1.0 2.01.5 2.5
OUTPUT-VOLTAGE HIGH
vs. SUPPLY VOLTAGE
MAX6803/04/05 toc04
V
CC
(V)
OUTPUT-VOLTAGE HIGH (V
CC
- V
OH
) (mV)
+25°C
-40°C
+125°C
+85°C
V
TH
= 2.93V
I
SINK
= 100µA
RESET ASSERTED
(MAX6803)
3.0
80
60
40
20
0
1.0 1.5 2.5 3.0
OUTPUT-VOLTAGE LOW
vs. SUPPLY VOLTAGE
MAX6803/04/05 toc03
V
CC
(V)
OUTPUT-VOLTAGE LOW (mV)
+25°C
-40°C
+125°C
+85°C
V
TH
= 2.93V
I
SINK
= 500µA
RESET
2.0
0.950
0.980
0.970
0.960
1.000
0.990
1.040
1.030
1.020
1.010
1.050
-50 -25 0 25 50 75 100 125
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6803/04/05 toc02
TEMPERATURE (°C)
NORMALIZED RESET TIMEOUT PERIOD
3.0
4.0
3.5
5.0
4.5
6.0
5.5
6.5
-50 0 25-25 50 75 100 125
SUPPLY CURRENT
vs. TEMPERATURE
MAX6803/04/05 toc01
TEMPERATURE (°C)
I
CC
(µA)
V
CC
= +5.0V
V
CC
= +3.3V
Maxim Integrated │ 3
www.maximintegrated.com
MAX6803/MAX6804/
MAX6805
4-Pin, Low-Power
µP Reset Circuits with Manual Reset
Typical Operating Characteristics
Electrical Characteristics (continued)