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EEPROMs That Include a MAC Address and/or a Unique ID

Factory-Programmed with Digital Serial Numbers, Tracking Numbers, Internet Access Numbers and More

Every EEPROM has its own unique number to give each product you ship individuality for tracking, identification and Internet addressing.

MAC Address

A factory-programmed IEEE EUI-48™ or EUI-64™ address is unique to every IC shipped.

  • EUI-48 and EUI-64 options
  • I2C, SPI, Microwire, UNI/O® bus options
  • Permanent (no overwrite)
  • Globally unique codes

MAC Product Listing

Unique ID

A serial number is factory-programmed and unique to every IC shipped. A tracking number is added by the user and often permanently locked after written.

  • 32-bit, 64-bit, 128-bit, 256-bit serial number on select products
  • 128-bit tracking numbers on select products
  • I2C, SPI, Microwire, UNI/O bus, single-wire options
  • Permanent (no overwrite) serial numbers
  • One-time-programmable (OTP) tracking number (user selected)

EEPROM Programming Services

Microchip also offers EEPROM programming to deliver ready-to-go EEPROMs (any EEPROM – with or without MAC or Unique IDs) for pick-and-place manufacturing. Contact your local sales office to learn more or click here to upload your data and get started.