GENERAL DESCRIPTION
The DS2705 provides the master side of a Secure Hash Algorithm (SHA) based token authentication scheme. Hardware-based SHA authentication allows for security without the added cost and complexity of a microprocessor-based system.

FEATURES
■ Initiates Challenge-and-Response
   Authentication based on the SHA-1 Algorithm
■ Dallas 1-Wire Master/Slave Interface Operates
   at Standard and Overdrive Speeds
■ Input and Output pins for Initiating Challenge
   and Reporting Authentication Pass/Fail
■ Programmable Configuration
■ Operates from 2.5V to 5.5V Supply
■ Tiny μMAX Package (Pb-Free)

APPLICATIONS
   Digital Cameras
   Portable DVD and Media Players
   Cradle and Accessory Chargers
   Cell Phones/Smartphones