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SLE 4428 Serial Memory Smart Card - ISO 7816 Compliant
Intelligent 256-Byte EEPROM with Write Protect Function and Programmable Security Code (PSC). This chip contains and EEPROM organized 1024 x 8 bit offering the possibility of programmable write protection for each byte. Reading of the whole memory is always possible. The memory can be written and erased byte by byte .
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SLE4428 Memory Card features: |
- 1K byte EEPROM
- Write-protect function
- Programmable Security Code verification logic
- All the memory, except for the PSC, can always be read
- The memory can be written or erased only after PSC verification
- After eight successive incorrect entries the error counter will block any subsequent attempt at PSC verification and hence any possibility to write and erase
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