DS1973-F5# 4Kb EEPROM

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£4.85
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DS1973-F5# 4Kb EEPROM

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Details

Description

The DS1973 4-kbit 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 include work-in-progress tracking, electronic travelers, access control and storage of calibration constants.

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

Additional Information

Delivery Normally delivered from stock
SKU hc00075
Technical Information No additional technical information available.

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