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Maxim > Products > [Supervisors, Voltage Monitors, Sequencers]  [Automotive] 
MAX6335, MAX6336, MAX6337
4-Pin, Ultra Low-Voltage, Low-Power µP Reset Circuits with Manual Reset

Industry's-First Stand-Alone Reset ICs for 1.8V supplies with Manual Reset in SOT Package


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Data Sheet
FULL DATA SHEET (PDF, 188kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX6335/MAX6336/MAX6337 microprocessor (µP) supervisory circuits monitor the power supplies in 1.8V to 3.3V µP and digital systems. They increase circuit reliability and reduce cost by eliminating external components and adjustments. They also feature a debounced manual-reset input.

These devices perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold or whenever manual reset is asserted. Reset remains asserted for a preset timeout period after VCC has risen above the reset threshold or after manual reset is deasserted. The only difference among the three devices is their output. The MAX6336 (push/pull) and MAX6337 (open-drain) have an active-low RESET output, while the MAX6335 (push/pull) has an active-high RESET output. The MAX6335/MAX6336 are guaranteed to be in the correct state for VCC down to 0.7V. The MAX6337 is guaranteed to be in the correct state for VCC down to 1.0V.

The reset comparator in these ICs is designed to ignore fast transients on VCC. Reset thresholds are factory-trimmable between 1.6V and 2.5V, in approximately 100mV increments. There are 15 standard versions available (2500 piece minimum-order quantity); contact the factory for availability of nonstandard versions (10,000 piece minimum-order quantity). For space-critical applications, the MAX6335/MAX6336/MAX6337 come packaged in a 4-pin SOT143.

Key Features   Applications/Uses
  • Ultra-Low 0.7V Operating Supply Voltage
  • Low 3.3µA Supply Current
  • Precision Monitoring of 1.8V and 2.5V Power-Supply Voltages
  • Reset Thresholds Available from 1.6V to 2.5V, in Approximately 100mV Increments
  • Debounced Manual Reset
  • Fully Specified over Temperature
  • Three Power-On Reset Pulse Widths Available (1ms min, 20ms min, 100ms min)
  • Low Cost
  • Three Available Output Structures: Push/Pull active-low RESET, Push/Pull RESET, Open-Drain active-low RESET
  • Guaranteed RESET/active-low RESET Valid to VCC = 0.7V (MAX6335/MAX6336)
  • Power-Supply Transient Immunity
  • No External Components
  • 4-Pin SOT143 Package
  • Pin-Compatible with MAX811/MAX812 and MAX6314/MAX6315

 
  		• Automotive Electronics
  		• Computers: Desktop, Workstation, Server
  		• Controllers
  		• Critical µP and µC Power Monitoring
  		• Intelligent Instruments
  		• Pentium® II Computers
  		• Portable Battery-Powered Equipment

    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) Price**
    MAX6335  1.2 to 1.8
    1.8 to 2.5     		 -  Push-Pull 1ms to 15ms
    15ms to 85ms
    85ms to 300ms     		No Watchdog Manual Reset 1.8 7 $1.05 @ 1k
    MAX6336  Push-Pull  -  $1.05 @ 1k
    MAX6337  Open Drain  -  $1.05 @ 1k
    See All Supervisors (1 Monitored Voltage) (270)
    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
    MAX6335, MAX6336, MAX6337: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
    none

    Design Guides
  		• Microprocessor Supervisory (PDF)

    Reliability Reports
  		• Reliability Report: MAX6336.pdf
  		• Show FIT data for:
  		• 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.


    Filter:

    Devices: 1-100 of 360

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    MAX6335 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6335US19D1+T    


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    MAX6335US19D2+T    


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    MAX6335US19D2+  


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    MAX6335US19D1+  


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    MAX6335US18D2+T    


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    MAX6335US18D1+T    


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    MAX6335US18D1+  


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    MAX6335US17D3+T    


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    MAX6335US17D2+T    


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    MAX6335US17D2+  


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    MAX6335US17D1+T    


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    MAX6335US17D1+  


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    MAX6335US16D2+T    


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    MAX6335US16D2+  


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    MAX6335US17D3+  


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    MAX6335US25D3+T    


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    MAX6335US19D3+  


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    MAX6335US19D3+T    


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    MAX6335US18D2+  


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    MAX6335US23D1+T    


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    MAX6335US23D1+  


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    MAX6335US22D2+T    


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    MAX6335US22D2+  


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    MAX6335US22D1+T    


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    MAX6335US22D1+  


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    MAX6335US21D3+T    


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    MAX6335US21D2+T    


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    MAX6335US21D2+  


    Land Pattern: Not Available

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    MAX6335US21D1+T    


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    MAX6335US20D2+T    


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    MAX6335US20D2+  


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    MAX6335US20D1+T    


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    MAX6335US20D1+  


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    MAX6335US25D3+  


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    MAX6335US25D2+T    


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    MAX6335US25D2+  


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    MAX6335US21D3+  


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    MAX6335US21D1+  


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    MAX6335US16D1+  


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    MAX6335US23D2+  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US23D2+T    


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    MAX6335US24D1+  


    Land Pattern: Not Available

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    MAX6335US24D1+T    


    Land Pattern: Not Available

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    MAX6335US24D2+  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US24D2+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US16D1+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US25D1+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US25D1+  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US24D3+T    


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US24D3+  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US20D1  


    Land Pattern: Not Available

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    MAX6335US20D2  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US21D1  


    Land Pattern: Not Available

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    MAX6335US21D2  


    Land Pattern: Not Available

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    MAX6335US21D3  


    Land Pattern: Not Available

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    MAX6335US22D1  


    Land Pattern: Not Available

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    MAX6335US22D2  


    Land Pattern: Not Available

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    MAX6335US23D1  


    Land Pattern: Not Available

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    MAX6335US23D2  


    Land Pattern: Not Available

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    MAX6335US24D1  


    Land Pattern: Not Available

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    MAX6335US19D3  


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    MAX6335US25D3  


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    MAX6335US24D3  


    Land Pattern: Not Available

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    MAX6335US25D2  


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    MAX6335US16D1  


    Land Pattern: Not Available

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    MAX6335US16D2  


    Land Pattern: Not Available

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    MAX6335US17D1  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US17D2  


    Land Pattern: Not Available

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    MAX6335US25D1  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US18D1  


    Land Pattern: Not Available

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    MAX6335US18D2  


    Land Pattern: Not Available

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    MAX6335US24D2  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US19D1  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US17D3  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX6335US19D2  


    Land Pattern: Not Available

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    MAX6335US20D3+  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6335US22D3  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US23D3+  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6335US16D3  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US22D3+  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6335US20D3  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US18D3+  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6335US23D3  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US18D3  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US16D3+  
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6335US20D2-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US19D1-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US19D2-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US19D3-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US21D1-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US20D1-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US18D3-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US18D2-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US18D1-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US17D3-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US17D2-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US17D1-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US16D3-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6335US16D2-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX6335US20D3-T    
    		SOT;4 pin;8 mm²
    Outline Drawing: 21-0052 (PDF)
    Land Pattern: 90-0183 (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    Filter:

    Devices: 1-100 of 360

    1 2 3 4  --->


    Notes and Comments
    • Trip thresholds from 1.6V to 2.5V, and 1ms, 20ms, or 100ms reset timeout options, and manual reset, push-pull RESET (MAX6336)
    • Push-pull RESET (MAX6335)
    • Open-drain RESET (MAX6337)

    Related Products
    MAX6314 68HC11/Bidirectional-Compatible µP Reset Circuit
    MAX6315 Open-Drain SOT µP Reset Circuit
    MAX6326, MAX6327, MAX6328, MAX6346, MAX6347, MAX6348 3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits

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    Document Ref.: 19-1412; Rev 2; 2006-05-09
    This page last modified: 2007-06-04


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