DS1204V - Dallas Semiconductor

DS1204V Electronic Key

The DS1204V Electronic Key is a miniature security system that stores 64 bits of user-definable identification code and a 64-bit security match code that protects 128 bits of read/write nonvolatile memory. The 64-bit identification code and the security match code are programmed into the key via a special program mode operation. After programming, the key f.

Features

PIN ASSIGNMENT
• Cannot be deciphered by reverse engineering
• Partitioned memory thwarts pirating
• User-insertable packaging sion allows personal posses- DALLAS DS1204V ELECTRONIC KEY
• Exclusive blank keys on request
• Appropriate identification can be made with a 64-bit reprogrammable memory SIDE
• Unreadable 64-bit security match code virtually prevents deciphering by exhaustive search with over 1019 possibilities
• 128 bits of secure read/write memory create additional barriers by permitting data changes as often as needed
• Rapid erasure of identification security match code and .