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Touch Memory Read only DS1990 Dallas iButton 1 Wire iButton Key
Unique, factory-lasered and tested 64-bit
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.
Standard 16 mm diameter and 1-Wire protocol ensure compatibility with INFORMATION BUTTON family.
Button shape is self-aligning with cupshaped probes.
Durable stainless steel case engraved with registration number withstands harsh environments.
Easily affixed with self-stick adhesive backing, latched by its flange, or locked with a ring pressed onto its rim.
Presence detector acknowledges when reader first applies voltage.
Stainless steel package with su304-0.3
Resistant to heat, Operating temperature range from -40°C to +70°C
Over 10 years of data retention
Security patrol, sauna door locks, electronic door locks
Door intercom, card systems, identification and banking
Communications, rail transportation, transportation and others