Product Overview
The TM1990A serial number iButton® is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a ground return. Accessories enable the TM1990A iButton to be mounted on almost any object, including containers, pallets, and bags.
Specifications:
- Model: TM/DS1990A
- Size: 17.35mm (diameter) × 6.00mm (height)
- 64-bit registration number (8-bit family code + 48- bit serial number + 8-bit CRC tester)
- Read/write time :< 5ms
- Digital identification by momentary contact
- Chip-based data carrier compactly stores information
- Data can be accessed while affixed to an object
- Economically communicates to bus master with a single digital signal at 16.3k bits per second.
- Button shape is self-aligning with cup-shaped probes
- Durable stainless steel case engraved with registration number withstands harsh environments.
- Applications: Access control, work-in-progress tracking, tool management, inventory control, etc.
Included: 1 x iButton with plastic tag (blue, green, yellow, BLACK -- COLOR MAY VARY )
