Datasheet4U Logo Datasheet4U.com

BL7442LV - Low voltage Intelligent 2K bits EEPROM

Description

BL7442LV is a IC Card chip (module) made by 1.2um CMOS EERPOM process.

It has 256 byte EEPROM with logical encryption and function.

It can be operated at low voltage.BL7442LV has two types, type A and type B.

Features

  • Figure 1.
  • 256 x 8 bit EEPROM organization.
  • Byte-wise addressing.
  • Irreversible byte-wise write protection of lowest 32 addresses (Byte 0 ……31).
  • 32 x1 bit organization of protection memory.
  • Two-wire link protocol.
  • End of processing indicated at data output.
  • Answer-to-Reset according to ISO standard 7816-3(B type).
  • EEPROM programming time 2.5 ms per byte for both Erasing and writing.
  • Minimum of 100,000 write/erase cy.

📥 Download Datasheet

Datasheet preview – BL7442LV

Datasheet Details

Part number BL7442LV
Manufacturer SHANGHAI BELLING
File Size 299.50 KB
Description Low voltage Intelligent 2K bits EEPROM
Datasheet download datasheet BL7442LV Datasheet
Additional preview pages of the BL7442LV datasheet.

📁 Similar Datasheet

  • BL758L - INTEGRATED SYMMETRICAL AND ASYMMETRICAL BIDIRECTIONAL OVERVOLTAGE PROTECTORS (Bourns Electronic Solutions)
  • BL7805 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7805 - 3-Terminal 1.2A Positive Voltage Regulator (BELLING)
  • BL7806 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7807 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7808 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7809 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7810 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7812 - Three-Terminal Low Current Positive Voltage Regulators (GME)
  • BL7815 - Three-Terminal Low Current Positive Voltage Regulators (GME)
Other Datasheets by SHANGHAI BELLING
  • BL7448 - 8K-bit encryption card circuit
  • BL7448SM - Intelligent 8K-bit EEPROM
  • BL7430EC - 104 intelligent counter circuit
  • BL7431A - 256 EEPROM encryption logic circuit
  • BL7432LV - 2K-bit EEPROM encryption logic deposit
  • BL75R02 - 512 EEPROM radio frequency identification
  • BL75R04SM - 2K-bit EEPROM RFID Label IC
  • BL75R05 - 13.56MHZ Long range RFID Label IC

Full PDF Text Transcription

Click to expand full text
BL7442LV Low voltage Intelligent 2K bits EEPROM Description BL7442LV is a IC Card chip (module) made by 1.2um CMOS EERPOM process. It has 256 byte EEPROM with logical encryption and function. It can be operated at low voltage.BL7442LV has two types, type A and type B. Features Figure 1 • 256 x 8 bit EEPROM organization • Byte-wise addressing • Irreversible byte-wise write protection of lowest 32 addresses (Byte 0 ……31) • 32 x1 bit organization of protection memory • Two-wire link protocol • End of processing indicated at data output • Answer-to-Reset according to ISO standard 7816-3(B type) • EEPROM programming time 2.
Published: |