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19-2533; Rev 1; 1/03
Ultra-Low-Power Voltage Detectors and P Supervisory Circuits
General Description
The MAX6461-MAX6466 family of ultra-low-power voltage detectors and P reset supervisory circuits monitors battery, power-supply, and system voltages. Each circuit includes a precision bandgap reference, a comparator, internally trimmed resistor networks that set specified trip thresholds, and an internal 5% threshold hysteresis circuit (see the Functional Diagram). Output is asserted when VCC falls below the internal VTH- and remains asserted until VCC rises above VTH+ (VTH+ = VTH- x 1.05). These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring nominal system voltages from +1.6V to +5.5V. The MAX6461/MAX6462/MAX6463 are voltage detectors with a propagation delay of 17s. The MAX6464/MAX6465/MAX6466 are P supervisory circuits with a minimum reset timeout period of 150ms. All devices are available with thresholds from +1.6V to +5.5V in 100mV increments. The family is available with three output stage options: push-pull with active-low output, push-pull with activehigh output, and open drain with active-low output. These devices are available in SC70 and SOT23 packages specified over the -40C to +125C temperature range. o Ultra-Low 1.0A Supply Current o Preset Thresholds from +1.6V to +5.5V in 100mV Increments o Internal 5% Threshold Hysteresis o 2.5% Threshold Accuracy Over Temperature o Internal Timeout Period Option (150ms min) o Immune to Short Voltage Transients o No External Components o Available in Three Output Options: Push-Pull (Active Low/Active High) and Open Drain (Active Low) o Fully Specified from -40C to +125C o Small SC70 and SOT23 Packages
Features
MAX6461-MAX6466
Ordering Information
PART MAX6461XR_ _-T MAX6461UR_ _-T MAX6461UK_ _-T MAX6462XR_ _-T MAX6462UR_ _-T MAX6462UK_ _-T TEMP RANGE -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C PIN-PACKAGE 3 SC70-3 3 SOT23-3 5 SOT23-5 3 SC70-3 3 SOT23-3 5 SOT23-5
Applications
Precision Battery Monitoring Load Switching/Power Sequencing Power-Supply Monitoring in Digital/Analog Systems Noise-Immune P Reset Circuits Portable/Battery-Powered Equipment Cellular Phones/Cordless Phones PDAs Portable Medical Devices
The MAX6461-MAX6466 are available in factory-set thresholds from 1.6V to 5.5V in approximately 100mV increments. Choose the desired voltage threshold suffix from Table 1 and insert it in the blank spaces in the part number. There are 30 standard versions with a required order increment of 2500 pieces. Sample stock generally is held on the standard versions only (Table 2). Nonstandard versions require a 10k-piece order increment. Contact factory for availability. All devices available in tape-andreel only. Ordering Information continued at end of data sheet. Selector Guide appears at end of data sheet.
Pin Configurations
TOP VIEW
GND 1 N.C. 1 5 VCC (OUT)/OUT 1
MAX6461- MAX6466
(OUT)/OUT 2
3
VCC GND 2
MAX6461- MAX6466
GND 2 4 (OUT)/OUT
MAX6461- MAX6466
3
VCC
SC70-3
( ) ARE FOR THE MAX6462/MAX6465 ONLY
GND 3
SOT23-3
SOT23-5
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND unless otherwise noted.) VCC, Open-Drain OUT..............................................-0.3V to +7V Push-Pull OUT/OUT....................................-0.3V to (VCC + 0.3V) Input/Output Current (all pins) ............................................20mA Output Short Circuit (VCC or GND) Continuous Power Dissipation (TA = +70C) 3-Pin SC70 (derate 2.9mW/C above +70C) ...........228.6mW 3-Pin SOT23 (derate 4.0mW/C above +70C)............320mW 5-Pin SOT23 (derate 7.1mW/C above +70C)............571mW Operating Temperature Range .........................-40C to +125C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
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
(VCC = +1.2V to +6V, TA = -40C to +125C. Typical values are at TA = +25C, unless otherwise noted.) (Note1)
PARAMETER Operating Voltage Range SYMBOL VCC CONDITIONS TA = 0C to +125C TA = -40C to 0C VCC = 3.6V, TA = -40C to +125C, no load, output not asserted VCC Supply Current ICC VCC = 5.0V, TA = -40C to +85C, no load, output not asserted VCC = 5.0V, TA = +85C to +125C, no load, output not asserted VCC rising, TA = +25C VTH+ Voltage Threshold (Note 2) VTHVCC falling, TA = -40C to +125C Voltage Threshold Hysteresis VHYST VHYST = [(VTH+) - (VTH-)] / (VTH-)] x 100% VCC falling at 10mV/s from (VTH-) + 100mV to (V TH-) - 100mV Propagation Delay tP VCC rising at 10mV/s from (VTH+) - 100mV to (VTH+) + 100mV MAX6461/ MAX6462/ MAX6463 only VCC rising, TA = -40C to +125C VCC falling, TA = +25C (VTH+) x 0.985 (VTH+) x 0.975 (VTH-) x 0.985 (VTH-) x 0.975 3 4.5 17 s 100 VTHVTH+ MIN 1 1.2 1 1.3 TYP MAX 6 6.0 2 2.5 3.5 (VTH+) x 1.015 (VTH+) x 1.025 (VTH-) x 1.015 (VTH-) x 1.025 6 % A UNITS V
V
Startup Time (MAX6461/MAX6462/MAX6463) Output Timeout Period (MAX6464/MAX6465/MAX6466) tRP 150
225 260 430
s ms
2
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +1.2V to +6V, TA = -40C to +125C. Typical values are at TA = +25C, unless otherwise noted.) (Note1)
PARAMETER OUT Output Low (Open Drain or Push-Pull) SYMBOL VOL CONDITIONS VCC 1.2V, ISINK = 1.0mA, OUT asserted VCC 2.5V, ISINK = 4.0mA, OUT asserted VCC 4.5V, ISINK = 9.0mA, OUT asserted VCC 1.8V, ISOURCE = 1.5mA, OUT not asserted OUT Output High (Push-Pull) VOH VCC 2.5V, ISOURCE = 3.0mA, OUT not asserted VCC 4.5V, ISOURCE = 8.0mA, OUT not asserted OUT Output Open-Drain Leakage Current ILKG OUT not asserted, V OUT = +6V VCC 1.2V, ISOURCE = 200A, OUT asserted VCC 1.8V, ISOURCE = 1.5mA, OUT asserted OUT Output High (Push-Pull) VOH VCC 2.5V, ISOURCE = 3.0mA, OUT asserted VCC 4.5V, ISOURCE = 8.0mA, OUT asserted VCC 2.5V, ISINK = 4.0mA, OUT not asserted OUT Output Low (Push-Pull) VOL VCC 4.5V, ISINK = 9.0mA, OUT not asserted 0.8 x VCC 0.8 x VCC 0.8 x VCC 0.8 x VCC 0.3 V 0.4 0.8 x VCC 0.8 x VCC 0.8 x VCC 100 nA V MIN TYP MAX 0.3 0.3 0.4 V UNITS
MAX6461-MAX6466
V
Note 1: 100% production testing done at +25C. Limits over temperature are guaranteed by design. Note 2: See Table 1 for VTH- and VTH+ values.
Typical Operating Characteristics
(VCC = 5V, TA = +25C, unless otherwise noted.)
PROPAGATION DELAY (RISING) vs. TEMPERATURE
MAX6461 toc01 MAX6461 toc02
SUPPLY CURRENT vs. TEMPERATURE
1.45 VCC = 5V, NO LOAD 1.40 SUPPLY CURRENT (A) 1.35 1.30 1.25 1.20 1.15 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C) 120 110 PROPAGATION DELAY (s) 100 90 80 70 60
PROPAGATION DELAY (FALLING) vs. TEMPERATURE
35 PROPAGATION DELAY (s) 30 25 20 15 10 5 0 VCC FALLING AT 200mV/s FROM ((VTH-) + 100mV) TO ((VTH-) - 100mV)
MAX6461 toc03
VCC RISING AT 200mV/s FROM ((VTH+) - 100mV) TO ((VTH+) + 100mV)
40
-40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
-40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
Typical Operating Characteristics (continued)
(VCC = 5V, TA = +25C, unless otherwise noted.)
MAXIMUM VCC TRANSIENT DURATION vs. VTH- THRESHOLD OVERDRIVE
19 TRANSIENT DURATION (s) 18 17 16 15 14 13 12 11 10 0.01 0.1 1 VTH- THRESHOLD OVERDRIVE ((VTH-) - VCC) (V) MAX6464_ _22 OUTPUT ASSERTS ABOVE THIS LINE
MAX6461 toc04
PROPAGATION DELAY VCC RISING
MAX6461 toc05a
PROPAGATION DELAY VCC FALLING
MAX6461 toc05b
20
100mV/div AC-COUPLED
VCC
100mV/div AC-COUPLED
VCC
1V/div
ACTIVE-HIGH OUTPUT MAX6462_ _16 20s/div
OUT
1V/div
ACTIVE-HIGH OUTPUT
OUT
MAX6462_ _16 10s/div
OUTPUT VOLTAGE HIGH vs. SOURCE CURRENT
MAX6461 toc06a
OUTPUT VOLTAGE HIGH vs. SOURCE CURRENT
MAX6461 toc06b
OUTPUT VOLTAGE LOW vs. SINK CURRENT
VCC = 2.7V VTH = 2.9V
MAX6461 toc07
6.0
3.5 VCC = 3.3V VTH = 2.9V 3.3 OUTPUT VOLTAGE (V)
300 275 250 OUTPUT VOLTAGE (mV) 225 200 175 150 125 100 75 50 25 0 0
OUTPUT VOLTAGE (V)
5.5
3.1
5.0
2.9
4.5
2.7
4.0 0 1 2 3 4 5 6 7 8 9 10 SOURCE CURRENT (mA)
2.5 0 1 2 3 4 5 6 7 8 9 10 SOURCE CURRENT (mA)
1
2
3
4
5
6
7
8
9
10
SINK CURRENT (mA)
NORMALIZED THRESHOLD vs. TEMPERATURE
MAX6461 toc08
NORMALIZED OUTPUT TIMEOUT PERIOD vs. TEMPERATURE
MAX6461 toc09
HYSTERESIS vs. TEMPERATURE
MAX6461 5.5 % OF VTHMAX6461 toc10
1.02
1.02 NORMALIZED RESET TIMEOUT PERIOD MAX6466 1.01
6.0
NORMALIZED THRESHOLD
1.01
1.00
1.00
5.0
0.99
0.99
4.5
0.98 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
0.98 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
4.0 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
4
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits
Pin Description
PIN MAX6461-MAX6466 SOT23-3 SC70-3 SOT23-5 Detector Output for the MAX6461/MAX6462/MAX6463: Push-pull (active-low or active-high) and open-drain (active-low) options. OUT is asserted low when the monitored input (VCC) drops below the internal VTH- threshold and remains low until the monitored input exceeds the internal VTH+ threshold. OUT is asserted high when the monitored input (VCC) drops below the internal VTH- threshold and remains high until the monitored input exceeds the internal VTH+ threshold. The open-drain output OUT requires an external pullup resistor. Output for the MAX6464/MAX6465/MAX6466: Push-pull (active-low or active-high) and opendrain (active-low) options. OUT is asserted low when the monitored input (VCC) drops below the internal VTH- threshold and remains low for at least 150ms after the monitored input exceeds the internal VTH+ threshold. OUT is asserted high when the monitored input (VCC) drops below the internal VTH- threshold and remains high for at least 150ms after the monitored input exceeds the internal VTH+ threshold. The opendrain output OUT requires an external pullup resistor. Ground. In the SOT23-5 package, both pins must be grounded. Supply Voltage and Monitored Voltage Input No Connection NAME FUNCTION
MAX6461-MAX6466
OUT
1
2
4
OUT
2 3 --
1 3 --
2, 3 5 1
GND VCC N.C.
Functional Diagram
VCC
Detailed Description
The MAX6461/MAX6462/MAX6463 voltage detectors and the MAX6464/MAX6465/MAX6466 P reset supervisory circuits monitor battery, power-supply, and system voltages from +1.6V to +5.5V. These devices consume only 1A of supply current with a 3.6V supply voltage. Whenever VCC falls below the internal VTH- threshold, the output is asserted and remains asserted until VCC rises above VTH+ (VTH+ = VTH- x 1.05). All devices have 2.5% threshold accuracy over temperature and offer protection to short voltage transients. These devices are ideal for low-cost and space-critical applications because they do not require external components for proper operation.
R1
MAX6461- MAX6466
R2 RESET TIMEOUT OUTPUT STAGE OUT
R3 1.23V
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
Hysteresis
IN DC/DC CONVERTER OUT
VCC
The MAX6461-MAX6466 feature internal hysteresis that creates two trip points: one for rising supply voltage and one for falling supply voltage. The hysteresis prevents the output from oscillating (chattering) when VCC is near the voltage threshold.
3.6V Li+
VCC
P
Transients Immunity
These devices are relatively immune to short-duration and falling V CC transients (glitches). The Typical Operating Characteristics show the Maximum Transient Duration vs. Threshold Overdrive graph, for which OUT is not asserted. The graph shows the maximum pulse width that a falling VCC transient typically might have before the devices are asserted. As the amplitude of the transient increases, the maximum allowable pulse width decreases.
MAX6463 MAX6466
OUT SUSPEND
Figure 1. Interfacing to Different Logic Voltage Components
Ensuring Valid Output Down to 0V
When VCC falls below 1V, the MAX6461/MAX6464 output sinking capability is reduced. Therefore, highimpedance CMOS logic inputs connected to OUT can drift to undetermined voltages. This presents no problem in most applications, because most circuitry is inoperative when V CC is below 1V. In applications where OUT must be valid down to ground, add a pulldown resistor to ground so any stray leakage currents flow to ground, holding OUT low. Select a resistor large enough not to load OUT and small enough to pull OUT to ground. For most applications, 100k does not load OUT and pulls OUT to ground.
Applications Information
Interfacing to Different Logic Voltage Components
The MAX6463 and MAX6466's active-low, open-drain output versions can be used to interface with a different logic voltage than VCC, as shown in Figure 1. This output structure sinks current when OUT is asserted. Connect a pullup resistor from OUT to any supply from 0 to 6V. Select a resistor value large enough to allow a valid logic low (see the Electrical Characteristics) and small enough to register a logic high while supplying all input current and leakage paths connected to the OUT pin.
6
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
Table 1a. MAX6461-MAX6466 Lower Trip Threshold (VTH-) Voltage Options
VOLTAGE THRESHOLD, VTHSUFFIX VTH- (min) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 1.576 1.675 1.773 1.872 1.970 2.069 2.167 2.266 2.364 2.463 2.561 2.660 2.758 2.857 2.955 3.054 3.152 3.251 3.349 3.448 3.546 3.645 3.743 3.842 3.940 4.039 4.137 4.236 4.334 4.433 4.531 4.630 4.728 4.827 4.925 5.024 5.122 5.221 5.319 5.418 TA = +25C VTH- (typ) 1.600 1.700 1.800 1.900 2.000 2.100 2.200 2.300 2.400 2.500 2.600 2.700 2.800 2.900 3.000 3.100 3.200 3.300 3.400 3.500 3.600 3.700 3.800 3.900 4.000 4.100 4.200 4.300 4.400 4.500 4.600 4.700 4.800 4.900 5.000 5.100 5.200 5.300 5.400 5.500 VTH- (max) 1.624 1.726 1.827 1.929 2.030 2.132 2.233 2.335 2.436 2.538 2.639 2.741 2.842 2.944 3.045 3.147 3.248 3.350 3.451 3.553 3.654 3.756 3.857 3.959 4.060 4.162 4.263 4.365 4.466 4.568 4.669 4.771 4.872 4.974 5.075 5.177 5.278 5.380 5.481 5.583 TA = -40C to +125C VTH- (min) 1.560 1.658 1.755 1.853 1.950 2.048 2.145 2.243 2.340 2.438 2.535 2.633 2.730 2.828 2.925 3.023 3.120 3.218 3.315 3.413 3.510 3.608 3.705 3.803 3.900 3.998 4.095 4.193 4.290 4.388 4.485 4.583 4.680 4.778 4.875 4.973 5.070 5.168 5.265 5.363 VTH- (max) 1.640 1.743 1.845 1.948 2.050 2.153 2.255 2.358 2.460 2.563 2.665 2.768 2.870 2.973 3.075 3.178 3.280 3.383 3.485 3.588 3.690 3.793 3.895 3.998 4.100 4.203 4.305 4.408 4.510 4.613 4.715 4.818 4.920 5.023 5.125 5.228 5.330 5.433 5.535 5.638
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
Table 1b. MAX6461-MAX6466 Upper Trip Threshold (VTH+) Voltage Options
VOLTAGE THRESHOLD, VTH+ SUFFIX VTH+ (min) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 1.647 1.750 1.853 1.956 2.059 2.162 2.265 2.367 2.470 2.573 2.676 2.779 2.882 2.985 3.088 3.191 3.294 3.397 3.500 3.603 3.706 3.809 3.911 4.014 4.117 4.220 4.323 4.426 4.529 4.632 4.735 4.838 4.941 5.044 5.147 5.250 5.352 5.455 5.558 5.661 TA = +25C VTH+ (typ) 1.672 1.777 1.881 1.986 2.090 2.195 2.299 2.404 2.508 2.613 2.717 2.822 2.926 3.031 3.135 3.240 3.344 3.449 3.553 3.658 3.762 3.867 3.971 4.076 4.180 4.285 4.389 4.494 4.598 4.703 4.807 4.912 5.016 5.121 5.225 5.330 5.434 5.539 5.643 5.748 VTH+ (max) 1.697 1.803 1.909 2.015 2.121 2.227 2.333 2.440 2.546 2.652 2.758 2.864 2.970 3.076 3.182 3.288 3.394 3.500 3.606 3.712 3.818 3.924 4.031 4.137 4.243 4.349 4.455 4.561 4.667 4.773 4.879 4.985 5.091 5.197 5.303 5.409 5.516 5.622 5.728 5.834 TA = -40C to +125C VTH+ (min) VTH+ (max) 1.630 1.732 1.834 1.936 2.038 2.140 2.242 2.343 2.445 2.547 2.649 2.751 2.853 2.955 3.057 3.159 3.260 3.362 3.464 3.566 3.668 3.770 3.872 3.974 4.076 4.177 4.279 4.381 4.483 4.585 4.687 4.789 4.891 4.992 5.094 5.196 5.298 5.400 5.502 5.604 1.714 1.821 1.928 2.035 2.142 2.249 2.356 2.464 2.571 2.678 2.785 2.892 2.999 3.106 3.213 3.320 3.428 3.535 3.642 3.749 3.856 3.963 4.070 4.177 4.285 4.392 4.499 4.606 4.713 4.820 4.927 5.034 5.141 5.249 5.356 5.463 5.570 5.677 5.784 5.891
8
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
Table 2. Standard Versions Table
PART MAX6461XR16-T MAX6461XR22-T MAX6461XR26-T MAX6461XR29-T MAX6461XR46-T MAX6462XR16-T MAX6462XR22-T MAX6462XR26-T MAX6462XR29-T MAX6462XR46-T MAX6463XR16-T MAX6463XR22-T MAX6463XR26-T MAX6463XR29-T MAX6463XR46-T TOP MARK (SC70) AMB AMC AMD AKV AME AKW AMF AMG AMH AMI AMJ AMK AML AMM AMN PART MAX6464XR16-T MAX6464XR22-T MAX6464XR26-T MAX6464XR29-T MAX6464XR46-T MAX6465XR16-T MAX6465XR22-T MAX6465XR26-T MAX6465XR29-T MAX6465XR46-T MAX6466XR16-T MAX6466XR22-T MAX6466XR26-T MAX6466XR29-T MAX6466XR46-T TOP MARK (SC70) AMO AMP AMQ AMR AMS AMT AMU AMV AMW AKZ AMX AMY AMZ ALA ALB
Selector Guide
PART MAX6461 MAX6462 MAX6463 MAX6464 MAX6465 MAX6466 PUSH-PULL OUT -- -- -- -- PUSH-PULL OUT -- -- -- -- OPEN-DRAIN OUT -- -- -- -- TYPICAL PROPAGATION DELAY (s) 14 14 14 -- -- -- MINIMUM TIMEOUT PERIOD (ms) -- -- -- 150 150 150
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Ultra-Low-Power Voltage Detectors and P Supervisory Circuits MAX6461-MAX6466
Ordering Information (continued)
PART MAX6463XR_ _-T MAX6463UR_ _-T MAX6463UK_ _-T MAX6464XR_ _-T MAX6464UR_ _-T MAX6464UK_ _-T MAX6465XR_ _-T MAX6465UR_ _-T MAX6465UK_ _-T MAX6466XR_ _-T MAX6466UR_ _-T MAX6466UK_ _-T TEMP RANGE -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C PIN-PACKAGE 3 SC70-3 3 SOT23-3 5 SOT23-5 3 SC70-3 3 SOT23-3 5 SOT23-5 3 SC70-3 3 SOT23-3 5 SOT23-5 3 SC70-3 3 SOT23-3 5 SOT23-5
Chip Information
TRANSISTOR COUNT: 581 PROCESS: BiCMOS
Package Information
For the latest package outline information, go to www.maxim-ic.com/packages.)
The MAX6461-MAX6466 are available in factory-set thresholds from 1.6V to 5.5V in approximately 100mV increments. Choose the desired voltage threshold suffix from Table 1 and insert it in the blank spaces in the part number. There are 30 standard versions with a required order increment of 2500 pieces. Sample stock generally is held on the standard versions only (Table 2). Nonstandard versions require a 10k-piece order increment. Contact factory for availability. All devices available in tape-andreel only.
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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