256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4的256Mbit SDRAM 3.3伏, TSOP II / SOC BGA / WBGA封装16M ×16 , 32M ×8 , 64M ×4