STT-MRAM is the second-generation MRAM technology, which uses spin-polarized current to flip the electron spin. STT-MRAM chips are faster, more salable and more efficient than Toggle-MRAM (first-gen MRAM tech). Several companies are now bringing STT-MRAM devices to the market.

STT-MRAM structure diagram

Check out MRAM-Info's new STT-MRAM introduction article to learn more about this technology and the current market status.