DS1205S
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. Drawings Section
PIN DESCRIPTION
VCCI RST DQ CLK GND BAT DQOE I/O VCCO
- -
- -
- -
- -
- +5V Supply (Battery Backup Mode) Reset (3-Wire) Data (3-Wire) Clock (3-Wire) Ground Battery (+) (Battery Backup Mode) Data Available (3-Wire) Data I/O (1-Wire)...
