TM1991L-F5 Touch Memory Card
- Product Model: TM1991L-F5
- TM1991L-F5 compatible with DS1991L-F5
- Contain three separate electronic subkeys with independent data and password storage.
- 64 bit one-time programmable ROM;
- 1152-bit secure read/write, nonvolatile memory
- Secure memory cannot be decoded 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
- 1-Wire protocol ensure compatibility with iButton family
- CRC-code (Cyclic Redundancy Check) generation
- Supply voltage range(battery supply), UDD: 2,7 to 3,3 V
- Operating temperature range :-40 to +85°C
- Allowable ESD potential value up to 2000 V.