DS1982 Datasheet (Dallas Semiconductor)

DS1982, 1-kbit Add-Only iButton

The DS1982 1-kbit Add-Only iButton is a rugged read/write data carrier that identifies and stores relevant information about the product or person to which it is attached.

This information can be accessed with minimal hardware, for example, a single port pin of a microcontroller.

The DS1982 consists

DS1982 Features

* 1024 bits Electrically Programmable ReadOnly Memory (EPROM) communicates with the economy of one signal plus ground EPROM partitioned into four 256-bit pages www.DataSheet4U.com for randomly accessing packetized data Each memory page can be permanently write-protected to prevent tampering Device is