GENERAL DESCRIPTION

The DS2703 provides a robust cryptographic solution to ensure the authenticity of Li-Ion battery packs for cell phone, PDA, and portable computing devices. The DS2703 employs the Secure Hash Algorithm (SHA-1) specified in the Federal Information publication 180-1 and 180-2, and ISO/IEC 10118-3. SHA-1 is designed for authentication
just what is required for identifying battery packs manufactured by authorized sources.

FEATURES

■ Secure Challenge and Response Authentication Using the SHA-1 Algorithm

■ Directly Powered by the Dallas 1-Wire® Interface with 16kpbs Standard and 143kpbs Overdrive Communication Modes

■ Unique 64-Bit Serial Number

■ Thermistor Multiplexer

■ Operates with VPULLUP as Low as 2.7V

■ Max-8 Package (Lead-Free)

APPLICATIONS

2.5G/3G Wireless Handsets

PDAs

Handheld or Notebook Computers and Terminals

Digital Still and Video Cameras