DS2705 - Maxim Integrated Products

DS2705 SHA-1 Authentication Master

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. Batteries and other accessories are authenticated using a single contact through the Dallas 1-WireÒ interface. Authentication is p.

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 mMAX Package (Pb-Free) APPLICATIONS Digital Cameras Portable DVD and Media Players Cradle and Accessory Chargers Cell Phones/Smartphones § § § § APPLICATION EXAMPLE ORDERING INFORMATION PART DS2705U+ DS2705U+/T&R TEMP RANGE MARKING DS2705 DS2705 PIN-PACKAGE mMAX DS2705U+ in Tape-and-.