Description
The DS1991 MultiKey iButton is a rugged read/write data carrier that acts as three separate electronic keys, offering 1,152 bits of secure, nonvolatile memory.
Features
- 1,152-bit secure read/write, nonvolatile memory.
- Secure memory cannot be deciphered www. DataSheet4U. com without matching 64-bit password.
- Memory is partitioned into 3 blocks of 384 bits each.
- 64-bit password and ID fields for each memory block.
- 512-bit scratchpad ensures data transfer integrity.
- Operating temperature range: -40°C to +70°C.
- Over 10 years of data retention.
- Easily affixed with self-stick adhesive backing, latched by its flange.
DS1991_DallasSemiconductor.pdf
