Maxim > Products > 1-Wire® Devices > 1-Wire® Single-Contact Programmable GPIO/Port Expanders
Product Information 
List of 1-Wire Products 
Weekly New Product Updates 
Design Resources 
Application Notes 
1-Wire Design Guide (PDF) 
1-Wire Software Tools 
1-Wire Evaluation Kit 
Training Courses 
Support 
Samples 
Technical Support 
FAQs 
1-Wire Drivers 
Tell Us What You Want 

1-Wire® Single-Contact Programmable GPIO/Port Expanders

Use Only a Single Dedicated Interface Contact for Control and Identification of High-Voltage Peripherals
  • Low-Cost, Single-Contact Alternative to 2-Wire and 3-Wire PIO Solutions

  • Identify the Power Capability of an AC-Adapter Power Supply and Control Adapter ON/OFF or LED functions

  • Ideal for Encoding Model Information or for Identifying/Controlling Cabled Accessories or Peripherals

1-Wire® Single-Contact Programmable GPIO/Port Expanders
Features
  • Software-Programmable I/O Port Characteristics
  • Complete Operation over the Two-Contact 1-Wire Bus
  • High-ESD I/O Immunity: 8kV (typ) IEC 1000-4-2
  • Designed for Hot/Live System Insertion
  • Each Part Is Uniquely Identified with 64-Bit Device ID Number
  • Wide 1-Wire Interface Operating Range: 2.8V to 5.25V, 0°C to +70°C
Applications
  • Power Adapters (Cell Phones, Notebooks, Cameras)
  • Home Monitoring and Automation
  • Automotive
  • Access Control
  • Identification and Configuration
Part Memory Type Memory Size (Bits) Additional Features Package
DS2405 ROM 64 Single-channel GPIO 6-TSOC, TO-92
DS2406 EPROM 1k Two-channel GPIO 6-TSOC, TO-92, flip chip
DS2408 ROM only 64 Eight-channel GPIO 16-SO
DS2413 ROM only 64 Two-channel, programmable GPIO, 28V/20mA operation, LED/relay control 6-TSOC


Contact Us     |     Privacy Policy     |     Legal Notices
Copyright © 2012 by Maxim Integrated Products