DS1207 Datasheet | Dallas Semiconductor

w w a D . w S a t e e h U 4 t m o .c DS1207 TimeKey Features PIN ASSIGNMENT - Cannot be deciphered by reverse engineering - Time allotment from one day to 512 days for trial periods, rentals, and leasing DALLAS DS1207 TimeKey - Partitioned memory thwarts pirating - User-insertable possession packaging allows personal - Exclusive blank keys on request - Appropriate identification can be made with a 64-bit reprogrammable memory SIDE - Unreadable 64-bit match code virtually prevents discovery by exhaustive search with over 1019 possibilities obscures real accesses - Random data generation on incorrect match codes - 384 bits of secure read/write memory create...