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 perso...

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