DS1963S - SHA iButton

Product Overview

Dallas Semiconducotr

Datasheet Details

Part number	DS1963S
Manufacturer	Dallas Semiconducotr
File Size	349.89 KB
Description	SHA iButton
Datasheet	DS1963S Datasheet
Additional preview pages of the DS1963S datasheet.

Product details

Description

The DS1963S Monetary iButton with SHA-1 Function is a rugged 4 kbit read/write data carrier that can be easily accessed with minimal hardware.

Its NV memory acts as a localized database for public as well as protected data belonging to the owner of the device and the environment in which it is used.

Features

4096 bits of read/write nonvolatile (NV) memory organized as 16 pages of 256 bits each Eight memory pages with individual 64-bit secrets and 32-bit read-only non rolling-over page write cycle counters Secrets are write-only and have their own individual write cycle counters On-chip 512-bit SHA-1 (FIPS 180-1, ISO/IEC 10118-3) engine to compute a 160bit Message Authentication Codes (MAC) and generate page secrets Device can operate as roaming iButton® or as coprocessor for.

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Published: Oct 26, 2005 |