Sram 6264 8K x 8 Parallell Bit CMOS SRAM. 43256 32K x 8 Parallell Bit CMOS SRAM. W24257A 32 x 8 Parallell CMOS High Speed SRAM. 431000 128K x 8 Parallell Bit CMOS SRAM. IS61C1024 128 x 8 Parallell CMOS High Speed SRAM. SRM20V100LLXM 128 x 8 Parallell CMOS SRAM (Y) 3.3V.