SLE 5542

SLE 5542 Features

• • • 100% functional compatibility to SLE 4442
    • 256 x 8 bit EEPROM organization of Data Memory
    • 32 x 1 bit Protection Memory
      • • Byte-wise write protection of first 32 addresses (byte 0…31) of Data Memory
        • Manufacturer Code for unique identification of application

• • • Data Memory (addresses 0…255) alterable only after verification of 3-Byte
      Programmable Security Code (PSC)
    • Two-wire link protocol
      • • Byte-wise addressing
        • End of processing indicated at data output

• • • Contact configuration and Answer-to-Reset (synchronous transmission) in accordance to standard ISO/IEC 7816
    • Sophisticated electrical characteristics
      • • Ambient temperature –40 … +80°C for chip, –25 … +80°C for module
        • Supply voltage 5 V ± 10 %
        • Supply current < 3 mA (typical 600 µA)
        • EEPROM erase / write time 5 ms
        • ESD protection typical 4,000 V
        • EEPROM Endurance minimum 100,000 erase / write cycles)
        • Data retention for minimum of 10 years)

• • • Advanced 1.2 µm CMOS-technology optimised for security layout
      
      • EEPROM-cells protected by shield
      • Shielding of deeper layers via metal
      • Sensory and logical security functions
      • No isolation on backside necessary