MAX6456

Features: Precision Factory-Set Reset Thresholds From 1.6V to 4.6V Adjustable Threshold to Monitor Voltages Down to 0.63V Manual Reset Input with Extended 3.36s Setup Period Immune to Short Voltage Transients Low 6µA Supply Current Guaranteed Valid Reset Down to VCC = 1.0V Active-Low RESE...

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SeekIC No. : 004411671 Detail

MAX6456: Features: Precision Factory-Set Reset Thresholds From 1.6V to 4.6V Adjustable Threshold to Monitor Voltages Down to 0.63V Manual Reset Input with Extended 3.36s Setup Period Immune to Short Voltag...

floor Price/Ceiling Price

Part Number:
MAX6456
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

 Precision Factory-Set Reset Thresholds From 1.6V to 4.6V
Adjustable Threshold to Monitor Voltages Down to 0.63V
Manual Reset Input with Extended 3.36s Setup Period
Immune to Short Voltage Transients
Low 6µA Supply Current
Guaranteed Valid Reset Down to VCC = 1.0V
Active-Low RESET (Push-Pull or Open-Drain) Outputs
140ms (min) Reset Timeout Period
Small SOT Package



Application

Set-Top Boxes
Consumer Electronics
DVD Players
Modems
MP3 Players
Industrial Equipment
Automotive
Medical Devices



Pinout

  Connection Diagram


Specifications

VCC ..............................................................................-0.3V to +6V
Open-Drain RESET MROUT............................................-0.3V to +6V
Push-Pull RESET, MROUT.................................-0.3V to (VCC + 0.3V)
MR, RSTIN  ...................................................................-0.3V to +6V
Input Current, All Pins..........................................................±20mA
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)..................696mW
Operating Temperature Range ............................ -40°C to +85°C
Junction Temperature..........................................................+150°C
Storage Temperature Range ...............................-65°C to +150°C
Lead Temperature (soldering, 10s) .....................................+300°C


Description

The MAX6453MAX6456 are low-power, dual-voltage µP supervisors featuring separate VCC reset and manual reset outputs. The dual outputs support both soft-system reset (interrupt) and hard-system reset (reboot) functions. The reset output of MAX6456 asserts when any of the monitored voltages falls below its specified threshold and remains asserted for the reset timeout (140ms min) after all voltages exceed their respective reset thresholds. MAX6456 are offered with nine factory-fixed reset thresholds for monitoring primary system voltages (VCC) from 1.8V to 5V and an adjustable reset input for monitoring a secondary system voltage down to 0.63V.

MAX6456 has a manual reset input, a VCC reset out-put, and a manual reset output. The MAX6453/MAX6454 manual reset output asserts when the manual reset input is low. MAX6456 remains asserted for the manual reset timeout period (140ms min) after the manual reset input transitions high. The MAX6453/MAX6354 manual reset input controls only the manual reset output and does not affect the VCC reset output.

The manual reset input of the MAX6455/MAX6456 controls both the manual reset and VCC reset outputs. When the manual reset input is low for less than 3.3s (typ), only the manual reset output asserts and remains asserted for the manual reset timeout period (140ms min) after the manual reset input transitions high. If the manual reset input is low for at least 3.3s (typ), the reset output of MAX6456 also asserts and remains asserted for the reset timeout period (140ms min) after the manual reset input transitions high. This enhanced feature allows the implementation of a soft/hard-system reset combination.

The MAX6453/MAX6455 have active-low push-pull reset and manual reset outputs, and the MAX6454/MAX6456 have active-low open-drain reset and manual reset outputs. MAX6456 are available in small SOT236 packages and are fully specified over the extended temperature range (-40to+85).




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