SRAM 2.5 or 3.3V 256K x 32 8M
GSI Technology
SRAM 2.5 or 3.3V 512K x 32 16M
SRAM 2.5 or 3.3V 1M x 18 18M
SRAM 2.5 or 3.3V 512K x 36 18M