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
