Detailed Product Description

ibutton,

Smart Card (TM card, Information Button, Touch Memory)

Type: TM1990A-F5

Dimension: diameter 16.25MM, high 5.9MM

Function: anti-water, anti-shake, anti-rust; the shell is made by 304 stainless steel, never rust; the chip is made by new TM1990A wafer, unique 64bit serial number of the world. Full compatible with ds1990A-F5 .

SPECIAL FEATURES
 

l       Unique, factory-lasered and tested 64-bit

registration number (8-bit family code + 48-

bit serial number + 8-bit CRC tester) assures

absolute traceability because no two parts are

alike.

l       Multidrop controller for MicroLAN.

l       Digital identification by momentary contact.

l       Chip-based data carrier compactly stores information.

l       Data can be accessed while affixed to an object.

l       Economically communicates to bus master with a single digital signal at 16.3k bits per second.

l       Standard 16 mm diameter and 1-Wire protocol ensure compatibility with INFORMATION BUTTON family.

l       Button shape is self-aligning with cupshaped probes.

l       Durable stainless steel case engraved with registration number withstands harsh environments.

l       Easily affixed with self-stick adhesive backing, latched by its flange, or locked with a ring pressed onto its rim.

l       Presence detector acknowledges when reader first applies voltage.