IZ4436 Intelligent 221-Bit EEPROM Counter for > 20000 Units with Security Logic and High Security Authentication Features 221 bit EEPROM and 16 bit mask-programmable ROM ! 104 bit user memory fully compatible with IZ4406: • 64 bit Identification Area • 40 bit Counter Area including 1 bit for personalization • 133 bit additional memory for advanced features • 4 bit Counter Backup (anti-tearing flags) • 1 bit Initiation Flag for Authentication Key.2 • 16 bit Data Area 1 for free user access • 48 bit Authentication Key.1 • either 64 bit Data Area 2 for user defined data or 48 bit Authentication Key.2 Counter with up to 33352 count units fully compatible with IZ4406 ! • Due to testing purposes a maximum of 21064 count units is guaranteed Counter tearing protection ! • Backup feature activated at choice High security authentication module ! • Random number as challenge • Individual secret Authentication Key.1 • Optional individual secret Authentication Key.2 • Calculation of up to 16 bit response • Calculation of a 16 bit response within 30 ms at a clock frequency of 100 kHz Transport Code protection for delivery ! Chip layout of security relevant areas protected against physical / electrical signal ! analysis Supply voltage 5 V ± 10% ! Supply current < 5 mA ! EEPROM programming time 5 ms ! ESD protection 4000 V ! Endurance minimum of 105 write / erase cycles per bit ! Data retention for minimum of 10 years ! Pin Definitions and Functions Parameter Symbol Test Condition C1 VCC Supply voltage C2 RST Control input (reset) C3 CLC Clock input C5 GND Ground C6 N.C. Not connected C7 I/O Bidirectional data line (open drain) IZ4406 comes as an M3 wire-bonded module for embedding in plastic cards and as a die for customer packaging. IZ4436 Electrical Characteristics Absolute Maximum Ratings Parameter Symbol Supply voltage Input voltage Storage temperature VCC VI Tstg Power dissipation Ptot Limit Values Min. Max. Unit Comments 7.0 7.0 125 V V °C - 40 mW - 4000 V -0.35 -0.35 -40 ESD protection Operating range Parameter Symbol Supply voltage VCC Supply current ICC Ambient temperature TA Limit Values Unit Min. Typ. Max. 4.5 5.0 5.5 V 2.5 5.0 mA 80 °C -35 Test Condition VCC=5 V DC Characteristics Parameter Symbol Limit Values H-Input voltage (I/O, CLC, RST) L-Input voltage (I/O,CLC,RST) L-output voltage VIH VIL VOL Min. 3.5 0 - H-leakage current IOH - Unit Test Condition IOL =0.5mA (open drain) VOH = VCC (open drain) Typ. - Max. VCC 0.8 0.5 V V V - 10 µA AC Characteristics Parameter CLC H-level (set address) CLC L-level (set address) CLC H-level (write) Symbol Limit Values Unit Test Condition tH Min. 5 Typ. - Max. - µs - tL 5 - - µs - tHW tHW 5 3 - - ms ms VCC ≥4.5 V 5V≤VCC ≤5/5V