1-Wire iButton Serial Number IC

All iButton button headers have a unique laser-etched serial number. Easy to implement e.g. access control and electric lock control.

• sturdy metal-cased button ROM memory
• multiple iButtons can be on the same OneWire bus
• 64-bit key in total
  • 8-bit identification number
  • 48-bit serial number
  • 8-bit CRC checksum
• read in less than 5 milliseconds (16.3kbps link)
• Operating temperature: -40°...+85°C
• F5 Microcan dimensions: approx. Ø 17 x 6 mm