Measuring Toshiba's 15nm 128Gbit MLC NAND Die Size
 

At Flash Memory Summit, Toshiba was showcasing their latest 15nm 128Gbit MLC NAND wafer that has been developed in partnership with SanDisk. I simply could not resist to calculate the die size as Toshiba/SanDisk has not published it and die size is always the basis of any semiconductor cost analysis. Unfortunately I was too busy running between meetings that I did not take a photo of the wafer, so I am borrowing the picture from Custom PC Review.

http://www.anandtech.com/show/8415/m...-nand-die-size