 
SLE4442
Secure Memory White PVC Cards Datasheet: SLE4442
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Data Carrier ICs for Identification Applications (Health insurance card, Access control, Electronic ticketing and Loyalty)
Features
- 256 × 8-bit EEPROM organization
- Byte-wise addressing
- Irreversible byte-wise write protection of lowest 32 addresses (Byte 0 ... 31)
- 32 × 1-bit organization of protection memory
- Two-wire link protocol
- End of processing indicated at data output
- Answer-to-Reset acc. to ISO standard 7816-3
- Programming time 2.5 ms per byte for both erasing and writing
- Minimum of 10 4 write/erase cycles
- Data retention for minimum of ten years
- Contact configuration and serial interface in accordance with ISO standard 7816 (synchronous transmission)
- Data can only be changed after entry of the correct 3-byte programmable security code (security memory)
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