+3V Voltage Monitoring, Low-Cost µP
Supervisory Circuits
MAX706P/R/S/T, MAX706AP/AR/AS/AT, MAX708R/S/T
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
V
CC
........................................................................-0.3V to +6V
All Other Inputs (Note 1)..........................-0.3V to (V
CC
+ 0.3V)
Input Current
V
CC
..................................................................................20mA
GND .................................................................................20mA
Output Current (all outputs) ................................................20mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin CERDIP (derate 8mW/°C above +70°C)..............640mW
8-Pin PDIP (derate 9.1mW/°C above +70°C).............727.3mW
8-Pin SO (derate 5.9mW/°C above +70°C)................470.6mW
8-Pin µMAX (derate 4.5mW/
o
C above +70°C) ..............362mW
Operating Temperature Range
MAX70_C .............................................................0°C to +70°C
MAX70_E ..........................................................-40°C to +85°C
MAX70_M .......................................................-55°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1:
The input-voltage limits on PFI, WDI, and
MR
can be exceeded if the input current is less than 10mA.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(MAX70_P/R, MAX706AP/AR: V
CC
= 2.7V to 5.5V; MAX70_S, MAX706AS: V
CC
= 3.0V to 5.5V; MAX70_T, MAX706AT: V
CC
= 3.15V to
5.5V; T
J
= T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
J
= T
A
= +25°C.) (Note 2)
PARAMETER
Supply Voltage Range
SYMBOL
V
CC
CONDITIONS
MAX70_C
MAX70_E/M
MAX706_C
V
CC
< 3.6V
Supply Current
I
SUPPLY
V
CC
< 5.5V
MAX706_E/M
MAX708_C
MAX708_E/M
MAX706_C
MAX706_E/M
MAX708_C
MAX708_E/M
MAX70_P/R/, MAX706AP/AR
Reset Threshold (Note 3)
(V
CC
Falling)
Reset Threshold Hysteresis
(Note 3)
Reset Pulse Width (Note 3)
RESET OUTPUT
V
OH
V
OL
Output-Voltage High
(MAX70_R/S/T)
(MAX706AR/AS/AT)
V
OH
V
OL
V
OL
V
RST(MAX)
< V
CC
< 3.6V I
SOURCE
= 500µA
V
RST(MAX)
< V
CC
< 3.6V I
SINK
= 1.2mA
4.5V < V
CC
< 5.5V
4.5V < V
CC
< 5.5V
I
RSOURCE
=
800µA
I
SINK
= 3.2mA
V
CC
-
1.5
0.4
0.3
0.3
0.8 x
V
CC
0.3
V
V
RST
MAX70_S, MAX706AS
MAX70_T, MAX706AT
V
HYS
MAX70_P/R/, MAX706AP/AR V
CC
= 3.0V
t
RST
MAX70_S, MAX706AS, V
CC
= 3.3V
V
CC
= 5V
140
140
2.55
2.85
3.00
MIN
1.0
1.2
90
90
50
50
135
135
65
65
2.63
2.93
3.08
20
200
200
200
280
280
ms
TYP
MAX
5.5
5.5
200
300
200
300
350
500
350
500
2.70
3.00
3.15
mV
V
µA
UNITS
V
MAX70_C V
CC
= 1.0V, I
SINK
= 50µA
MAX70_E/M: V
CC
= 1.2V, I
SINK
= 100µA
2
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
