An MRAM has an internal test circuit. This test circuit detects a bit in a memory cell array, which has a shift in write characteristics, as a defective bit by using a method of applying a one-axis write current along an axis of hard magnetization.

 
Web www.patentalert.com

< Magnetic memory device, method for writing on the same and method for reading from the same

< MRAM array with segmented word and bit lines

> Magnetic non-volatile memory coil layout architecture and process integration scheme

> Fabrication method of semiconductor device

~ 00213