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    ROM80

    Abstract: D103 prom ic
    Text: BL7431A 256位EEPROM逻辑加密电路 芯片 一概述 BL7431A是采用1.2微米CMOS E2PROM工艺的 IC卡用芯片 模块 ，256位E2PROM存储单元， 带逻辑加密功能。可广泛应用于智能网公话业务。 二、特点 • • • • •


    Original     		PDF BL7431A 256EEPROM BL7431A1 256E2PROM 256EEPROM256EEPROM, ROM80 D103 prom ic

    timing DIAGRAM OF ROM

    Abstract: EEPROM ROM80 c5 rom Shanghai Belling D103 diagram of rom chip
    Text: BL7431A 256-Bit EEPROM Logical Encrypted Chip Description Pin Diagram BL7431A is the memory card chip developed by Shanghai Belling Co.,Ltd. The chip uses Shanghai Belling’s 1.2um CMOS & EEPROM process. It has 256 bits EEPROM A type or 512 bits EEPROM(B type) with logical


    Original     		PDF BL7431A 256-Bit timing DIAGRAM OF ROM EEPROM ROM80 c5 rom Shanghai Belling D103 diagram of rom chip