Datasheet

MAX814/MAX815/MAX816
±1% Accuracy, Low-Power, +3V and +5V
µP Supervisory Circuits
_______________________________________________________________________________________ 5
70
30
-60 -40 -20 40 100
V
CC
SUPPLY CURRENT vs. TEMPERATURE
3V PARTS (MAX814T/MAX815T, MAX816)
45
40
35
65
MAX814-01
TEMPERATURE (°C)
V
CC
SUPPLY CURRENT (µA)
020 6080
60
55
50
V
CC
= 5.0V
V
CC
= 3.3V
V
CC
= 2.5V
70
30
-60 -40 -20 40 100
V
CC
SUPPLY CURRENT vs. TEMPERATURE
5V PARTS (MAX814/MAX815K, L, N)
45
40
35
65
MAX814-02
TEMPERATURE (°C)
V
CC
SUPPLY CURRENT (µA)
020 6080
60
55
50
V
CC
= 5.0V
V
CC
= 3.3V
200
175
-60 -40 -20 40 100
RESET TIMEOUT PERIOD
vs. TEMPERATURE
185
180
MAX814-03
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
020 6080
195
190
V
CC
= 5.0V
V
CC
= 3.3V
40
15
-60 -40 -20 40 100
RESET-COMPARATOR PROPAGATION
DELAY vs. TEMPERATURE
25
20
MAX814-04
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
020 6080
35
30
100mV OVERDRIVE
(V
RT
- V
CC
)
1.715
1.670
-60 -40 -20 40 100
PFI THRESHOLD vs. TEMPERATURE
3V PARTS (MAX814T/MAX815T, MAX816)
1.685
1.680
1.675
1.710
MAX814-05
TEMPERATURE (°C)
PFI THRESHOLD (V)
020 6080
1.705
1.700
1.695
1.690
2.550
2.450
-60 -40 -20 40 100
PFI THRESHOLD vs. TEMPERATURE
5V PARTS (MAX814/MAX815K, L, N)
2.490
2.470
2.480
2.460
2.540
MAX814-06
TEMPERATURE (°C)
PFI THRESHOLD (V)
020 6080
2.530
2.520
2.500
2.510
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
60
0
-60 -40 -20 40 100
LOW-LINE COMPARATOR
PROPAGATION DELAY vs. TEMPERATURE
30
20
10
MAX814-11
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
020 6080
50
40
100mV OVERDRIVE
(V
LLT
- V
CC
)
70
50
-60 -40 -20 40 100
LOW-LINE TO RESET THRESHOLD
vs. TEMPERATURE (V
CC
RISING)
58
54
56
52
68
MAX814-10
TEMPERATURE (°C)
LOW-LINE TO RESET THRESHOLD (mV)
020 6080
66
64
60
62
70
50
-60 -40 -20 40 100
LOW-LINE TO RESET THRESHOLD
vs. TEMPERATURE (V
CC
FALLING)
58
54
56
52
68
MAX814-09
TEMPERATURE (°C)
LOW-LINE TO RESET THRESHOLD (mV)
020 6080
66
64
60
62