28-Pin Quad SRAM IC, 5V, 0.09A, 35ns, 4096 Words, LCC-28
Standard SRAM, 4KX4, 85ns, CMOS, CQCC28, LCC-28
28-Pin Commercial Temperature SRAM IC, 5V, 0.135mA, 25ns Access Time, DIP-28
Standard SRAM, 4KX4, 70ns, CMOS, CDIP24