256Mb: x4, x8, x16 DDR SDRAM Features Double Data .
Micron Technology
MT46V32M8 - Double Data Rate (DDR) SDRAM
256Mb: x4, x8, x16 DDR SDRAM Features Double Data Rate (DDR) SDRAM MT46V64M4 – 16 Meg x 4 x 4 banks MT46V32M8 – 8 Meg x 8 x 4 banks MT46V16M16 – 4 Meg.