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DS1973- 4Kb EEPROM iButton
DS1973-F5+ iButton

DS1973- 4Kb EEPROM iButton

Part Number:DS1973-F5+

Availability:

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Price:$7.63
Key Features


  • 4096 bits Electrically Erasable Programmable Read Only Memory (EEPROM)
  • Overdrive mode boosts communication speed to 142 kbits per second
  • 256-bit scratchpad ensures integrity of data transfer
  • Memory partitioned into 256-bit pages for packetizing data
  • Reduces control, address, data and power to a single data pin
  • 8-bit family code specifies DS1973 communication requirements to reader
  • Reads and writes over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C
Common iButton Features


  • Digital Identification and Information by Momentary Contact.
  • Unique, Factory-Lasered and Tested 64-Bit Registration Number (8-Bit Family Code + 48-Bit Serial Number + 8-Bit CRC Tester) - Assures Absolute Traceability Because no Two Parts are alike.
  • Multidrop Controller for 1-Wire Net.
  • Chip-Based Data Carrier Compactly Stores Information.
  • Data Can be Accessed While Affixed to Object.
  • Button Shape is Self-Aligning with Cup-Shaped Probes.
  • Durable Stainless Steel Case Engraved with Registration Number Withstands Harsh Environments.
  • Easily Affixed with Self-Stick Adhesive Backing, Latched by its Flange, or Locked with a Ring Pressed Onto its Rim.
  • Presence Detector Acknowledges When Reader First Applies Voltage.
  • Meets UL#913 (4th Edit.). Intrinsically Safe Apparatus: Approved Under Entity Concept for Use in Class I, Division 1, Group A, B, C and D Locations (application pending).

The DS1973 4Kb EEPROM iButton is a rugged read/write data carrier that identifies and stores relevant information about the product or person to which it is attached. This information can be accessed with minimal hardware, for example a single port pin of a micro-controller. The DS1973 consists of a factory-lasered registration number that includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit Family Code (23H) plus 4096 bits of EEPROM. The power to program and read the DS1973 is derived entirely from the 1-Wire communication line. The memory is organized as sixteen pages of 256 bits each. The 64-bit registration number provides a guaranteed unique identity which allows for absolute traceability. Data is transferred serially via the 1-Wire protocol which requires only a single data lead and a ground return. The durable MicroCan package is highly resistant to harsh environments such as dirt, moisture, and shock. Its compact button-shaped profile is self-aligning with cup-shaped receptacles, allowing the DS1973 to be used easily by human operators or automatic equipment. Accessories permit the DS1973 to be mounted on printed circuit boards, plastic key fobs, photo-ID badges, ID bracelets, and many other objects.

Applications:
  • Work-in-progress tracking
  • Electronic travelers
  • Access control
  • Storage of calibration constants.
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