DS1971 Overview
The DS1971 256-bit 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 microcontroller.
DS1971 Key Features
- 256-bit Electrically Erasable Programmable Read Only Memory (EEPROM) municates with the economy of one signal plus groun
- EEPROM organized as one 256-bit page
- 64-bit one-time programmable application register is automatically write-protected after programming
- Reduces control, address, data, power, and programming signals to a single data pin
- 8-bit family code specifies DS1971 munications requirements to reader
- Reads and writes over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C
- Economically municates to bus master with a single digital signal at 16.3k bits per second
- Standard 16 mm diameter and 1-Wire protocol ensure patibility with iButton family
- Button shape is self-aligning with cupshaped probes
- Durable stainless steel case engraved with registration number withstands harsh environments
