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Maxim > Products > Supervisors, Voltage Monitors, Sequencers > MAX6335, MAX6336, MAX6337

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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Status Explanations for product status codes

Active: In Production.

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.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 2 (PDF, 188kB)
Send this datasheet to any email addressE-Mail

Key Features

  • 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
 

Applications/Uses

  • 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 Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)		 Budgetary Price
min @ +25°C max See Notes
MAX6335 
1.2 to 1.8
1.8 to 2.5
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
 No Watchdog Manual Reset 1.8 7 $1.10 @1k
MAX6336 
Active Low
Push-Pull
 $1.10 @1k
MAX6337 
Active Low
Open Drain
 $1.10 @1k
See All Supervisors (1 Monitored Voltage) (274)
Pricing 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

Application Notes

Tutorial 720   Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages

Product Guides

Microprocessor Supervisory (PDF)

Reliability Reports

Reliability Report: MAX6336.pdf MAX6337.pdf
Show FIT data for:
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Software/Models

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Ordering Information

Filters: Part Number: Package: Temperature: Tape and Reel Sample
Devices: 1-50 / 195 <-- Previous  1 2 3 4   Next -->
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6335US16D1+T    
Active SOT;

Land Pattern: Not Available

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

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US16D2-T    
Active 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+  
Active 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+T    
Active 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-T    
Active 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
MAX6335US17D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US17D1-T    
Active 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
MAX6335US17D2+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6335US17D2-T    
Active 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
MAX6335US17D3+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US17D3-T    
Active 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
MAX6335US18D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US18D1-T    
Active 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    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US18D2-T    
Active 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+T    
Active 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
MAX6335US18D3-T    
Active 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
MAX6335US19D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6335US19D1-T    
Active 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
MAX6335US19D2+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US19D2-T    
Active 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
MAX6335US19D3+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US19D3-T    
Active 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
MAX6335US20D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US20D1-T    
Active 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
MAX6335US20D2+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US20D2-T    
Active 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
MAX6335US20D3+  
Active 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
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6335US20D3+T    
Active 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-T    
Active 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
MAX6335US21D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US21D1-T    
Active 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
MAX6335US21D2+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US21D2-T    
Active 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
MAX6335US21D3+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US21D3-T    
Active 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
MAX6335US22D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US22D1-T    
Active 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
Part Number Free
Sample		 Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR * 		Temp RoHS/Lead-Free?
Materials Analysis
MAX6335US22D2+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US22D2-T    
Active 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+  
Active 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+T    
Active 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-T    
Active 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
MAX6335US23D1+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US23D1-T    
Active 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
MAX6335US23D2+T    
Active SOT;

Land Pattern: Not Available

-40°C to +85°C See data sheet
MAX6335US23D2-T    
Active 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+  
Active 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
Devices: 1-50 / 195 <-- Previous  1 2 3 4   Next -->

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; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product 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.

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)

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See All Supervisors (1 Monitored Voltage) (274 Products)

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

 


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