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The method of adaptively programming, testing and sorting magnetic random access memory array
The method of adaptively programming, testing and sorting magnetic random access memory array
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机译:磁性随机存取存储器阵列的自适应编程,测试和分类方法
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摘要
Magnetic Random Access Memory (MRAM) can be programmed and read as fast as Static Random Access Memory (SRAM) and has the non-volatile characteristics of electrically eraseable programmable read only memory (EEPROM), FLASH EEPROM or one-time-programmable (OTP) EPROM. Due to the randomness of manufacturing process, the magnetic tunnel junctions (MTJ) in MRAM cells will require different row and column current combinations to program and not to disturb the other cells. Based on adaptive current sources for programming, this disclosure teaches methods, designs, test algorithms and manufacturing flows for generating EEPROM, FLASH EEPROM or OTP EPROM like memories from MRAM.
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