Datasheet Details
| Part number | DS1963S |
|---|---|
| Manufacturer | Dallas Semiconducotr |
| File Size | 349.89 KB |
| Description | SHA iButton |
| Datasheet |
 DS1963S Datasheet
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General 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.
Key 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.