 
SLE5542
Secure Memory White PVC Cards Datasheet: SLE5542
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Data Carrier ICs for Identification Applications (Health insurance card, Access control, Electronic ticketing and Loyalty)
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 0Ö255) 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 ñ40 Ö +80°C for chip, ñ25 Ö +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
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