DS1995 - Maxim Integrated

DS1995 16Kb Memory iButton

19-4895; Rev 8/09 SPECIAL FEATURES  16384 bits of read/write nonvolatile memory  256-bit scratchpad ensures integrity of data transfer  Overdrive mode boosts communication to 142 kbits per second  Memory partitioned into 256-bit pages for packetizing data  Data integrity assured with strict read/write protocols  Operating temperature range from -40C .

Features

 16384 bits of read/write nonvolatile memory
 256-bit scratchpad ensures integrity of data transfer
 Overdrive mode boosts communication to 142 kbits per second
 Memory partitioned into 256-bit pages for packetizing data
 Data integrity assured with strict read/write protocols
 Operating temperature range from -40C to +70C
 Over 10 years of data retention COMMON iButton FEATURES
 Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike
 Multidrop controller.