DS2704 - Maxim Integrated Products

DS2704 1280-Bit EEPROM

The DS2704 provides 1280 bits of EEPROM data storage and a Secure Hash Algorithm (SHA) engine. The Dallas 1-WireÒ interface enables serial communication on a single battery contact and the 64-bit unique serial number allows multidrop networking and identification of individual devices. The 1280-bit memory is organized as 5 pages of 32 bytes each and supports.

Features

§ § § § § Secure Challenge and Response Authentication Using the SHA-1 Algorithm Five Lockable 32-Byte Pages of EEPROM Dallas 1-Wire Interface with Standard and Overdrive Communications Speeds Unique 64-Bit Serial Number Compatible with DS2502 Memory Map and Read Function Command Operates with VDD as Low as 2.5V Tiny Chip-Scale UCSP and 3mm x 3mm TDFN Packaging (Pb-free) DATA 150W DS2704 VSS 0.01mF 4.7V THM PACK- Li+ Safety Circuit § § ORDERING INFORMATION PART DS2704G+ DS2704G+T&R DS2704W TEMP RANGE -20°C to +70°C -20°C to +70°C -20°C to +70°C PIN-PACKAGE 6-TDFN DS2704G+ on Tape-and-Re.