SLE5536/36E | SLE5536S/36SE | SLE5542 | SLE55R01 | SLE55R02 | SLE55R08 | SLE55R16
Chip Card & Security ICs
SLE 5542
Intelligent 256-Byte EEPROM with Write Protection function and Programmable Security Code
Datasheet : SLE5542.pdf
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