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DS1993L-F5+ - 4kb Memory iButton, 5 Pack

DS1993L-F5+ - 4kb Memory iButton, 5 Pack

from USA
to Angola
in 5-8 days
At your doorstep by May 13  to May 16 with standard delivery

Description

  • 4096 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 -40°C to +70°C..
  • Imported from USA.
The DS1993 iButton is a rugged read/write data carrier that acts as a localized 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: Access control, Work-in-progress tracking, Electronic travelers, Storage of calibration constants, and debit tokens.
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DS1993L-F5+ - 4kb Memory iButton, 5 Pack

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