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MAX6710DUT-T |MAX6710DUTTMAXIMN/a1422avaiIn1 5 V, In2 3.3 V, In3 1.8 V, Low-voltage, high-accuracy, triple/quad voltage mP supervisory circuit
MAX6710EUT-T |MAX6710EUTTMAXIMN/a1700avaiIn1 adj V, In2 3.3 V, In3 2.5 V, Low-voltage, high-accuracy, triple/quad voltage mP supervisory circuit
MAX6710LUT-T |MAX6710LUTTMAXN/a1090avaiIn1 adj, In2 3.3 V, In3 1.8 V , Low-voltage, high-accuracy, triple/quad voltage mP supervisory circuit


MAX6710EUT-T ,In1 adj V, In2 3.3 V, In3 2.5 V, Low-voltage, high-accuracy, triple/quad voltage mP supervisory circuitELECTRICAL CHARACTERISTICS(V = 1V to 5.5V, T = -40°C to +85°C, unless otherwise noted. Typical valu ..
MAX6710FUT+T ,Low-Voltage, High-Accuracy, Triple/Quad Voltage µP Supervisory Circuits in SOT PackageFeaturesThe MAX6700/MAX6710 precision triple/quad voltage ● Monitor Up to Four Power-Supply Voltage ..
MAX6710IUT+T ,Low-Voltage, High-Accuracy, Triple/Quad Voltage µP Supervisory Circuits in SOT PackageApplications Typical Operating Circuit● Telecommunications● High-End PrintersMAX6700● Desktop and N ..
MAX6710KUT+T ,Low-Voltage, High-Accuracy, Triple/Quad Voltage µP Supervisory Circuits in SOT PackageMAX6700/MAX6710 Low-Voltage, High-Accuracy, Triple/QuadVoltage μP Supervisory Circuits in SOT Packa ..
MAX6710LUT-T ,In1 adj, In2 3.3 V, In3 1.8 V , Low-voltage, high-accuracy, triple/quad voltage mP supervisory circuitApplicationsTelecommunications Typical Operating CircuitHigh-End PrintersDesktop and Notebook Compu ..
MAX6710OUT+T ,Low-Voltage, High-Accuracy, Triple/Quad Voltage µP Supervisory Circuits in SOT PackageElectrical Characteristics(V = 1V to 5.5V, T = -40°C to +105°C, unless otherwise noted. Typical val ..
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MAX6710DUT-T-MAX6710EUT-T-MAX6710LUT-T
In1 5 V, In2 3.3 V, In3 2.5 V, Low-voltage, high-accuracy, triple/quad voltage mP supervisory circuit
General Description
The MAX6700/MAX6710 precision triple/quad voltage
microprocessor (µP) supervisory circuits monitor up to
four system-supply voltages and assert a single reset if
any supply voltage drops below its preset threshold.
These devices significantly reduce system size and com-
ponent count while improving reliability compared to sep-
arate ICs or discrete components.
A variety of factory-trimmed threshold voltages are avail-
able to accommodate different supply voltages and toler-
ances with minimal external component requirements.
The MAX6710 includes internally fixed options for moni-
toring 5.0V, 3.3V, 3.0V, 2.5V, and 1.8V supplies with -5%
or -10% tolerances. The MAX6710 is also available with
one to three adjustable threshold options to monitor volt-
ages down to 0.62V. The MAX6700 monitors three volt-
ages with adjustable thresholds down to 0.62V.
A single active-low output asserts when any monitored
input falls below its associated threshold. The open-drain
output has a weak internal pullup (10µA) to IN2. For the
MAX6710, reset remains low for the reset timeout period
(140ms min) after all voltages rise above the selected
threshold. The MAX6700 acts as a voltage detector with a
propagation delay of 5µs after all monitored voltages
exceed their thresholds. The output remains valid as long
as either IN2 or IN2 input voltage remains above 1V
(MAX6710) or VCCis above 2V (MAX6700/MAX6710Q).
The MAX6700/MAX6710 are available in a small 6-pin
SOT23 package and operate over the extended (-40°C to
+85°C) temperature range.
________________________Applications

Telecommunications
High-End Printers
Desktop and Notebook Computers
Data Storage Equipment
Networking Equipment
Industrial Equipment
Set-Top Boxes
Servers/Workstations
Features
Monitor Up to Four Power-Supply VoltagesPrecision Factory-Set Reset Threshold Options
for 5.0V, 3.3V, 3.0V, 2.5V, and 1.8V Supplies
Adjustable Voltage Threshold Monitors Down to
0.62V with 1.5% Accuracy
Low 35µA Supply CurrentOpen-Drain RESETOutput with 10µA Internal
Pullup
5µs Propagation Delay (MAX6700)140ms (min) Reset Timeout Period (MAX6710)RESETValid to IN1 = 1V or IN2 = 1VImmune to Short Monitored Supply TransientsGuaranteed from -40°C to +85°CSmall 6-Pin SOT23 Package
MAX6700/MAX6710
Low-Voltage, High-Accuracy, Triple/Quadoltage µP Supervisory Circuits in SOT Package

19-2324; Rev 1; 4/02
Ordering Information

Insert the desired suffix letter from the Selector Guide into the
blank to complete the part number. There is a 2500 piece mini-
mum order increment requirement on the SOT package. These
devices are available in tape-and-reel only.
Pin Configuration appears at end of data sheet.
Typical Operating Circuit
Selector Guide with Top marks appears at end of data sheet.
MAX6700/MAX6710
Low-Voltage, High-Accuracy, Triple/Quad
Voltage µP Supervisory Circuits in SOT Package
ABSOLUTE MAXIMUM RATINGS

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.
VCC, IN_, RESETto GND..........................................-0.3V to +6V
Continuous RESETCurrent.................................................20mA
Continuous Power Dissipation
6-Pin SOT23 (derate 8.7mW/°C above +70°C).........695.7mW
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s).................................+300°C
ELECTRICAL CHARACTERISTICS

(VIN2= 1V to 5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VIN2= 3.0V to 3.3V, TA= +25°C.) (Note 1)
MAX6700/MAX6710
Low-Voltage, High-Accuracy, Triple/Quadoltage µP Supervisory Circuits in SOT Package
Note 1:
100% production tested at TA= +25°C. Limits over temperature guaranteed by design.
Note 2:
The devices are powered from IN2 or VCC(for MAX6700/MAX6710Q).
Note 3:
The RESEToutput is guaranteed to be in the correct state for IN1 or IN2 down to 1V.
Note 4:
Monitored IN2 voltage (3.3V, 3.0V) is also the device power supply. Supply current splits as follows: 25µA for the resistor
divider (for the monitored voltage) and 30µA for other circuits.
Typical Operating Characteristics

(VIN2= VCC= 3.0V, TA= +25°C)
ELECTRICAL CHARACTERISTICS (continued)

(VIN2= 1V to 5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VIN2= 3.0V to 3.3V, TA= +25°C.) (Note 1)
Pin Description
MAX6700/MAX6710
Low-Voltage, High-Accuracy, Triple/Quad
Voltage µP Supervisory Circuits in SOT Package
Typical Operating Characteristics (continued)

(VIN2= VCC= 3.0V, TA= +25°C)
MAX6700/MAX6710
Low-Voltage, High-Accuracy, Triple/Quadoltage µP Supervisory Circuits in SOT Package
Detailed Description

The MAX6700/MAX6710 are very small, low-power,
triple/quad voltage µP supervisory circuits designed to
maintain system integrity in multisupply systems
(Figures 1 and 2). The MAX6710 offers several internally
trimmed undervoltage threshold options for monitoring
5.0V, 3.3V, 3.0V, 2.5V, and 1.8V supplies. The
MAX6700/MAX6710 offer one to three adjustable thresh-
olds for monitoring voltages down to 0.62V.
The triple/quad voltage monitors include an accurate
bandgap reference, precision comparators, and a series
of internally trimmed resistor-divider networks to set the
factory-fixed reset threshold options. The resistor net-
works scale the specified IN_ reset voltages to match the
internal bandgap reference/comparator voltage.
Adjustable threshold options bypass the internal resistor
networks and connect directly to one of the comparator
inputs (use an external resistor-divider network for
threshold matching). The MAX6700/MAX6710Q provide
a separate unmonitored power-supply input (VCC) and
three adjustable voltage inputs.
Each of the internal comparators has a typical hysteresis
of 0.3% with respect to its reset threshold. This built-in
hysteresis improves the monitor’s immunity to ambient
noise without significantly reducing threshold accuracy.
The MAX6700/MAX6710 are immune to short IN_ tran-
sients. See Typical Operating Characteristicsfor a glitch
immunity graph.
MAX6700/MAX6710
Low-Voltage, High-Accuracy, Triple/Quad
Voltage µP Supervisory Circuits in SOT Package
Applications Information
Reset Output

The MAX6700 RESEToutput asserts low when any
monitored IN_ voltage drops below its specified reset
threshold and remains low for the propagation delay
(5µs) after all inputs exceed their thresholds (Figure 3).
The MAX6710 provides an extended reset timeout peri-
od of 140ms (min). The output is open drain with a
weak internal pullup to the monitored IN2 or VCCsupply
(10µA typ). For many applications no external pullup
resistor is required to interface with other logic devices.
An external pullup resistor to any voltage from 0 to 5.5V
can overdrive the internal pullup if interfacing to differ-
ent logic-supply voltages (Figure 4). Internal circuitry
prevents reverse current flow from the external pullup
voltage to IN2.
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