Monday, July 14, 2008

SLE5542 Memory Card

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)
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