SLE5542 Memory Card features: |
- SLE 5542 is 100% functional compatible to SLE 4442
- Intelligent 256-Bytes EEPROM
- Write-protect function
- Programmable Security Code (PSC)
- EEPROM is organized 256 x 8 bit offering the possibility of programmable write protection for each byte
- Data Memory alterable only after verification of 3-Byte Programmable Security Code (PSC)
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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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