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 Details

Part number BL7442LV
Manufacturer SHANGHAI BELLING
File Size 299.50 KB
Description Low voltage Intelligent 2K bits EEPROM
Datasheet download datasheet BL7442LV Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
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

Other Datasheets by SHANGHAI BELLING

Part Number Description
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

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: |