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MAX6412, MAX6413, MAX6414, MAX6415, MAX6416, MAX6417, MAX6418, MAX6419, MAX6420
Low-Power, Single/Dual-Voltage µP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

Small, Low-Power, Single/Dual Voltage µP Reset Circuits with Adjustable Reset Timeout Provides Flexibility


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Data Sheet
FULL DATA SHEET (PDF, 232kB)
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Description
The MAX6412-MAX6420 low-power microprocessor supervisor circuits monitor system voltages from 1.6V to 5V. These devices are designed to assert a reset signal whenever the VCC supply voltage or RESET IN falls below its reset threshold or the manual reset input is asserted. The reset output remains asserted for the reset timeout period after VCC and RESET IN rise above the reset threshold and the manual reset input is deasserted. The reset timeout is externally set by a capacitor to provide more flexibility.

The MAX6412/MAX6413/MAX6414 feature fixed thresholds from 1.575V to 5V in approximately 100mV increments and a manual reset input. The MAX6415/MAX6416/MAX6417 are offered with an adjustable reset input that can monitor voltages down to 1.26V and the MAX6418/MAX6419/MAX6420 are offered with one fixed input and one adjustable input to monitor dual-voltage systems.

The MAX6412/MAX6415/MAX6418 have an active-low, push-pull reset output. The MAX6413/MAX6416/MAX6419 have an active-high, push-pull reset output and the MAX6414/MAX6417/MAX6420 have an active-low, open-drain reset output. All of these devices are offered in a SOT23-5 package and are fully specified from -40°C to +125°C.

Key Features   Applications/Uses
  • Monitor System Voltages from 1.6V to 5V
  • Capacitor-Adjustable Reset Timeout Period
  • Manual Reset Input (MAX6412/MAX6413/MAX6414)
  • Adjustable Reset Input Option (MAX6415-MAX6420)
  • Dual-Voltage Monitoring (MAX6418/MAX6419/MAX6420)
  • Low Quiescent Current (1.7µA, typ)
  • 3 RESET Output Options
    • Push-Pull active-low RESET
    • Push-Pull RESET
    • Open-Drain active-low RESET
  • Guaranteed Reset Valid to VCC = 1V
  • Power-Supply Transient Immunity
  • Small SOT23-5 Packages

 
  • Automotive
  • Battery-Powered Computers/Controllers
  • Computers
  • Critical µP Monitoring
  • Embedded Controllers
  • Intelligent Instruments
  • Medical Equipment
  • Portable Equipment
  • Set-Top Boxes

    Key Specifications:   Supervisors (1 Monitored Voltage)
    Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) RoHS Available Industry Qualified Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX6412  1.2 to 1.8
    1.8 to 2.5
    2.5 to 3.3
    3.3 to 5.5
    Push-Pull  -  15ms to 85ms
    1ms to 15ms
    300ms to 1s
    85ms to 300ms
    <1ms
    >1s
    Adjustable
    No Watchdog Manual Reset 1.5 2.5 Yes Automotive - General SOT-23/5 9 -40 to +125
    -40 to +85
    0 to +70
    $0.91 @ 1k
    MAX6413   -  Push-Pull Manual Reset 1.5 $0.91 @ 1k
    MAX6414  Open Drain  -  Manual Reset 1.5 $0.91 @ 1k
    MAX6415  Push-Pull  -  Adjustable Reset Input 4 $0.91 @ 1k
    MAX6416   -  Push-Pull Adjustable Reset Input 4 $0.91 @ 1k
    MAX6417  Open Drain  -  Adjustable Reset Input 4 $0.91 @ 1k
    See All Supervisors (1 Monitored Voltage) (268)

    Key Specifications:   Supervisors (2 Monitored Voltages)
    Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) RoHS Available Industry Qualified Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX6418  Factory Fixed
    R/C Adjustable
    1.2 to 1.8
    1.8 to 2.5
    2.5 to 3.3
    3.3 to 5.5
    Push-Pull  -  15ms to 85ms
    1ms to 15ms
    300ms to 1s
    85ms to 300ms
    <1ms
    >1s
    Adjustable
    No Watchdog Adjustable Reset Input 1.5 2.5 Yes Automotive - General SOT-23/5 9 -40 to +125
    -40 to +85
    0 to +70
    $0.91 @ 1k
    MAX6419   -  Push-Pull $0.91 @ 1k
    MAX6420  Open Drain  -  $0.91 @ 1k
    See All Supervisors (2 Monitored Voltages) (70)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    MAX6412, MAX6413, MAX6414, MAX6415, MAX6416, MAX6417, MAX6418, MAX6419, MAX6420: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
    none

    Design Guides
  • MICROPROCESSOR SUPERVISORY (PDF)

    Reliability Reports
  • Show FIT data for:
  • Reliability Report: MAX6412UKxx.pdf MAX6417UKxx.pdf MAX6418UKxx.pdf MAX6419UKxx.pdf
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


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    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6412UK49+  



    -40°C to +125°C See data sheet
    MAX6412UK25+T  



    -40°C to +125°C See data sheet
    MAX6412UK27+  



    -40°C to +125°C See data sheet
    MAX6412UK27+T  



    -40°C to +125°C See data sheet
    MAX6412UK28+  



    -40°C to +125°C See data sheet
    MAX6412UK33+  



    -40°C to +125°C See data sheet
    MAX6412UK33+T  



    -40°C to +125°C See data sheet
    MAX6412UK34+  



    -40°C to +125°C See data sheet
    MAX6412UK34+T  



    -40°C to +125°C See data sheet
    MAX6412UK25+  



    -40°C to +125°C See data sheet
    MAX6412UK24+T  



    -40°C to +125°C See data sheet
    MAX6412UK18+T  



    -40°C to +125°C See data sheet
    MAX6412UK19+  



    -40°C to +125°C See data sheet
    MAX6412UK19+T  



    -40°C to +125°C See data sheet
    MAX6412UK20+  



    -40°C to +125°C See data sheet
    MAX6412UK20+T  



    -40°C to +125°C See data sheet
    MAX6412UK21+  



    -40°C to +125°C See data sheet
    MAX6412UK21+T  



    -40°C to +125°C See data sheet
    MAX6412UK24+  



    -40°C to +125°C See data sheet
    MAX6412UK35+  



    -40°C to +125°C See data sheet
    MAX6412UK35+T  



    -40°C to +125°C See data sheet
    MAX6412UK41+  



    -40°C to +125°C See data sheet
    MAX6412UK41+T  



    -40°C to +125°C See data sheet
    MAX6412UK45+  



    -40°C to +125°C See data sheet
    MAX6412UK45+T  



    -40°C to +125°C See data sheet
    MAX6412UK47+  



    -40°C to +125°C See data sheet
    MAX6412UK47+T  



    -40°C to +125°C See data sheet
    MAX6412UK48+  



    -40°C to +125°C See data sheet
    MAX6412UK48+T  



    -40°C to +125°C See data sheet
    MAX6412UK40+T  



    -40°C to +125°C See data sheet
    MAX6412UK40+  



    -40°C to +125°C See data sheet
    MAX6412UK36+  



    -40°C to +125°C See data sheet
    MAX6412UK36+T  



    -40°C to +125°C See data sheet
    MAX6412UK37+  



    -40°C to +125°C See data sheet
    MAX6412UK37+T  



    -40°C to +125°C See data sheet
    MAX6412UK38+  



    -40°C to +125°C See data sheet
    MAX6412UK38+T  



    -40°C to +125°C See data sheet
    MAX6412UK39+  



    -40°C to +125°C See data sheet
    MAX6412UK39+T  



    -40°C to +125°C See data sheet
    MAX6412UK18+  



    -40°C to +125°C See data sheet
    MAX6412UK28+T  



    -40°C to +125°C See data sheet
    MAX6412UK49+T  



    -40°C to +125°C See data sheet
    MAX6412UK48  



    -40°C to +125°C See data sheet
    MAX6412UK33  



    -40°C to +125°C See data sheet
    MAX6412UK34  



    -40°C to +125°C See data sheet
    MAX6412UK35  



    -40°C to +125°C See data sheet
    MAX6412UK36  



    -40°C to +125°C See data sheet
    MAX6412UK38  



    -40°C to +125°C See data sheet
    MAX6412UK39  



    -40°C to +125°C See data sheet
    MAX6412UK40  



    -40°C to +125°C See data sheet
    MAX6412UK45  



    -40°C to +125°C See data sheet
    MAX6412UK49  



    -40°C to +125°C See data sheet
    MAX6412UK47  



    -40°C to +125°C See data sheet
    MAX6412UK41  



    -40°C to +125°C See data sheet
    MAX6412UK37  



    -40°C to +125°C See data sheet
    MAX6412UK28  



    -40°C to +125°C See data sheet
    MAX6412UK18  



    -40°C to +125°C See data sheet
    MAX6412UK20  



    -40°C to +125°C See data sheet
    MAX6412UK27  



    -40°C to +125°C See data sheet
    MAX6412UK19  



    -40°C to +125°C See data sheet
    MAX6412UK25  



    -40°C to +125°C See data sheet
    MAX6412UK21  



    -40°C to +125°C See data sheet
    MAX6412UK24  



    -40°C to +125°C See data sheet
    MAX6412UK43+T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK30+T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK42+T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK42+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK32+T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK32+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK30+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK43+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK46  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK44  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK29+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK46+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK50  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK50+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK17+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK17  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK44+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK43  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK29  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK22+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK16+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK30  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK31+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK31  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK26  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK26+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK23  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK23+  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6412UK22  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK42  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK16  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6412UK32  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK36-T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK37-T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK38-T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK39-T  
    SOT-23;5 pin;9 mm²
    Dwg: 21-0057F (PDF)
    Use pkgcode/variation: U5-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    MAX6412UK40-T