Adaptive algorithm for MRAM manufacturing

Details Adaptive algorithm for MRAM manufacturing Adaptive algorithm for MRAM manufacturing

2008-05-06

2008-05-06

Ho, Hoai V. (Department: 2827)

Static information storage and retrieval

Systems using particular element

Magnetoresistive

C365S189070, C365S201000

Reexamination Certificate

active

07369430

ABSTRACT:
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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