4DS Memory logoUS-based RRAM developer 4DS Memory announced that it has measured the endurance yield of more than 1,000 cells of five different cell sizes on two different wafers, and more than 97% of the memory cells tested achieved the required endurance goal, significantly exceeding the target of 90% endurance yield.

4DS recently announced the fabrication of a working 40nm RRAM memory cell in collaboration with HGST, a subsidiary of Western Digital. The company also successfully completed a placement of $3 million USD.