Datasheet

I
SINK
= 3.2mA
MAX814/MAX815/MAX816
±1% Accuracy, Low-Power, +3V and +5V
µP Supervisory Circuits
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K, L, N) (continued)
(V
CC
= 4.85V to 5.5V for MAX814K/MAX815K, V
CC
= 4.75V to 5.5V for MAX814L/MAX815L, V
CC
= 4.60V to 5.5V for MAX814N/
MAX815N, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS, +3V Parts (MAX814/MAX815T, MAX816)
(V
CC
= 3.06V to 5.5V for MAX814T/MAX815T and MAX816, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
0°C to +70°C
-40°C to +85°C
0°C to +70°C
MAX815T
T
A
= -40°C to +85°C, V
CC
= 1.2V, I
SINK
= 100µA
T
A
= 0°C to +70°C, V
CC
= 1.0V, I
SINK
= 50µA
MAX816
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
CONDITIONS
I
SOURCE
= 500µA
s1.12 2.00t
WD
Watchdog Timeout Period
0.3
I
SINK
= 1.2mA
0.3
0.3
V
OL
0.8 x V
CC
V
OH
75
V
1.2 5.5
V
CC
1.0 5.5
Operating Voltage Range
0.3V
OL
0.8 x V
CC
V
OH
ms140 200 250t
RS
Reset Pulse Width
nA-15 +6 +35I
RT
RESET IN Input Current
µA
85
I
SUPPLY
Supply Current
3.00 3.06
3.00 3.08
VV
RT
Reset Threshold
UNITSMIN TYP MAXSYMBOLPARAMETER
MAX816C
MAX816E
1.683 1.700 1.717
1.678 1.700 1.722
VV
RIT
RESET IN Threshold
mV0Reset Threshold Hysteresis
I
SOURCE
= 800µA
V
0.4V
OL
RESET Output Voltage
V
CC
-1.5V
OH
I
SOURCE
= 500µA
I
SINK
= 1.2mAV
OL
RESET, WDO, PFO, LOW LINE
Output Voltage
V
0.4
V
CC
-1.5V
OH
I
SOURCE
= 800µA
I
SINK
= 3.2mAV
OL
CONDITIONS
MR Input Threshold
V
MRHI
High 0.7 x V
CC
V
MR to RESET Out Delay t
MD
(Note 3) 250 ns
PFI Input Threshold V
PFI
V
CC
= 5.0V 2.45 2.50 2.55 V
PFI Input Current I
PFI
UNITSMIN TYP MAXSYMBOLPARAMETER
MR Pull-Up Current I
MR
MR = 0V 70 240 µA
MR Pulse Width t
MR
150 ns
V
MRLO
Low 1.1
-15.00 +6.0 +35.00 nA
LOW LINE, PFO, WDO
Assertion Delay
(Note 2) 200 µs
V
RT
(max) < V
CC
<3.6V;
MAX814T, MAX816
4.5V < V
CC
< 5.5V;
MAX814T, MAX816
V
RT
(max) < V
CC
< 3.6V
4.5V < V
CC
< 5.5V