(China (Mainland))
Product Summary
The DS1963S-F5 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. An integrated 512-bit SHA-1 engine can be activated to compute 160-bit message authentication codes (MAC) based on information stored in the device.
Parametrics
Absolute maximum ratings: (1)IO Voltage to GND: -0.5V, +6V; (2)IO sink current: 20mA; (3)Temperature Range: -40℃ to +85℃; (4)Junction Temperature: +150℃; (5)Storage Temperature Range: -25℃ to +50℃.
Features
Features: (1)4096 bits of read/write nonvolatile (NV) memory organized as 16 pages of 256 bits each; (2)Eight memory pages with individual 64-bit secrets and 32-bit read-only non rolling-over page write cycle counters; (3)Secrets are write-only and have their own individual write cycle counters; (4)On-chip 512-bit SHA-1 (FIPS 180-1, ISO/IEC 10118-3) engine to compute a 160-bit Message Authentication Codes (MAC) and generate page secrets; (5)Device can operate as roaming iButton or as coprocessor for a host computer.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
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 DS1963S-F5 |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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DS1963S-F5+ |
Maxim Integrated Products |
iButtons SHA iButton |
Data Sheet |
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