Standard SRAM, 256KX4, 20ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28
Standard SRAM, 128KX8, 20ns, CMOS, PDIP32, 0.400 INCH, PLASTIC, DIP-32

Standard SRAM, 128KX8, 15ns, CMOS, PDSO32, 0.400 INCH, LEAD FREE, PLASTIC, SO-32
Standard SRAM, 512KX8, 15ns, CMOS, PDSO44, LEAD FREE, TSOP2-44
Standard SRAM, 128KX16, 15ns, CMOS, PDSO44, LEAD FREE, TSOP2-44