Description
The DS1985 16-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.
Features
- 16384 bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground.
- EPROM partitioned into sixty-four 256-bit www. DataSheet4U. com pages for randomly accessing packetized data records.
- Each memory page can be permanently write-protected to prevent tampering.
- Device is an “add only” memory where additional data can be programmed into EPROM without disturbing existing data.
- Architecture allows software to patch data by supersedi.
DS1985_DallasSemiconductor.pdf
