Standard SRAM, 128KX8, 12ns, CMOS, PDSO32, 0.400 INCH, LEAD FREE, PLASTIC, SOJ-32
Standard SRAM, 128KX16, 15ns, CMOS, PDSO44, LEAD FREE, TSOP2-44
Standard SRAM, 256KX8, 20ns, CMOS, PDSO44, LEAD FREE, TSOP2-44
Standard SRAM, 256KX8, 20ns, CMOS, PDSO44, LEAD FREE, TSOP2-44

AS7C256A Series 256-kbit (32 K x 8) 5 V 15 ns CMOS Static RAM - TSOP I-28

Standard SRAM, 256KX16, 10ns, CMOS, PDSO44, 0.400 INCH, LEAD FREE, SOJ-44