Ibutton Touch Memory Read only DS1990 Dallas iButton 1 Wire iButton Key

Description

• 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

Applications

• Security patrol, sauna door locks, electronic door locks

• Door intercom, card systems, identification and banking

• Communications, rail transportation, transportation and others