DS1963S Datasheet - Dallas Semiconducotr

DS1963S, SHA iButton

DS1963S SHA iButton www.iButton.com SPECIAL .
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.

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Datasheet Details

Part number:

DS1963S

Manufacturer:

Dallas Semiconducotr

File Size:

349.89 KB

Description:

SHA iButton

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 O

Applications

* such as secure change purses for electronic payment at local transit systems, pay phones, parking systems or vending machines. The DS1963S is also intended to function as a coprocessor that assists the host in computing signatures, using a secure signing secret, when writing back the new balance to

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DS1963S SHA iButton Dallas Semiconducotr

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