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DS1205S
DS1205S MultiKey Chip
FEATURES
PIN ASSIGNMENT
VCCI NC RST DQ NC 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCCO NC I/O GND NC DQOE NC BAT
• Three
each
secure read/write data partitions of 384 bits
• One non-secure read/write data partition of 512 bits • Secure data cannot be deciphered by reverse engineering
• Guaranteed
number
unique, 48-bit, laser etched serial
CLK NC GND
• 64-bit password and I.D. fields provide positive identification and security for each secure data partition
• Maximum data transfer rate of 2 million bits/second • Low-power CMOS circuitry • Access via 3-wire or 1-wire interface • Applications include proprietary data, financial transactions, secure personnel areas, and systems access control
DS1205S 16-Pin SOIC (300 mil) See Mech.