DS1973 Datasheet (Dallas Semiconducotr)

DS1973, 4-kbit EEPROM iButton

The DS1973 4-kbit EEPROM 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 micro-controller.

The DS1973 consists o

DS1973 Features

* 4096 bits Electrically Erasable Programmable Read Only Memory (EEPROM) Overdrive mode boosts communication speed to 142 kbits per second 256

* bit scratchpad ensures integrity of data transfer Memory partitioned into 256

* bit pages for packetizing data Reduces control, address, data and