Original iButton Chip DS1990A-F5
Original iButton Chip DS1990A-F5
Each chip has a unique code and communicates via a 1-wire interface. The iButton chip is commonly used for opening gates or doors of apartment buildings. It is compatible with our reader.
Specifications
- Model: DS1990A-F5+
- ROM Memory: 64-bit
- Interface: 1 wire
- Pellet Diameter: 17 mm
- Price per 1 unit.
- Manufacturer: Maximintegrated USA

Datasheet: https://www.maximintegrated.com/en/products/ibutton-one-wire/memory-products/DS1990A.html





