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BL7448SM - Intelligent 8K-bit EEPROM

Description

BL7448SM is an IC Card chip (module) made by 0.35um CMOS EERPOM process.

It has 1024 byte EEPROM with logical encryption and function.

Features

  • 1024 x 8 bit EEPROM organization.
  • Byte-wise addressing Irreversible byte-wise write protection of every Byte.
  • 1024 x1 bit organization of protection memory.
  • Serial three-wire link.
  • End of processing indicated at data output.
  • Minimum of 100,000 write/erase cycles.
  • Data retention time :>10 years.
  • Contacts configuration and serial interface according to ISO 7816 standard (synchronous transmission).
  • Data can only be ch.

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Datasheet Details

Part number BL7448SM
Manufacturer SHANGHAI BELLING
File Size 220.09 KB
Description Intelligent 8K-bit EEPROM
Datasheet download datasheet BL7448SM Datasheet

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Full PDF Text Transcription

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BL7448SM Intelligent 8K-bit EEPROM Description BL7448SM is an IC Card chip (module) made by 0.35um CMOS EERPOM process. It has 1024 byte EEPROM with logical encryption and function. Figure 1 Features • 1024 x 8 bit EEPROM organization • Byte-wise addressing Irreversible byte-wise write protection of every Byte • 1024 x1 bit organization of protection memory • Serial three-wire link • End of processing indicated at data output • Minimum of 100,000 write/erase cycles • Data retention time :>10 years • Contacts configuration and serial interface according to ISO 7816 standard (synchronous transmission) • Data can only be changed after entry of the correct 2-byte Programmable security code Pin Description Pin No.
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