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DS1993L-F5+ 4kb Memory iButton

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$39.00
SKU:
DS1993L-F5

 Product Description

The DS1993 iButton is a rugged read/write data carrier that acts as a localised database, easily accessible with minimal hardware. The nonvolatile memory and optional timekeeping capability offer a simple solution to storing and retrieving vital information pertaining to the object to which the iButton is attached. Data is transferred serially through the 1-Wire protocol that requires only a single data lead and a ground return.

The scratchpad is an additional page that acts as a buffer when writing to memory. Data is first written to the scratchpad where it can be read back. After the data has been verified, a copy scratchpad command transfers the data to memory. This process ensures data integrity when modifying the memory. A 48-bit serial number is factory lasered into each DS1993 to provide a guaranteed unique identity that allows for absolute traceability. The durable MicroCan package is highly resistant to environmental hazards such as dirt, moisture, and shock. Its compact coin-shaped profile is self-aligning with mating receptacles, allowing the DS1993 to be easily used by human operators. Accessories permit the DS1993 to be mounted on almost any surface including plastic key fobs, photo-ID badges, and PC boards.

Applications include access control, work-in-progress tracking, electronic travelers, storage of calibration constants, and debit tokens.

Key Features 

  • 4,096 bits of read/write nonvolatile memory.
  • 256-bit scratchpad ensures integrity of data transfer .
  • Memory partitioned into 256-bit pages for packetizing data.
  • Data integrity assured with strict read/write protocols.
  • Operating temperature range from -40C to +70C.
  • Over 10 years of data retention.

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