SRAM 1.8/2.5V 4M x 36 144M
SRAM 1.8 or 1.5V 16M x 9 144M
SRAM 1.8 or 1.5V 16M x 8 144M
SRAM 2.5 or 3.3V 512K x 18 9M
SRAM 2.5 or 3.3V 2M x 36 72M