22-Pin Dual-Port SRAM IC, 256 Words, 5V, 0.09A, 25ns, Military Temperature Grade
Standard SRAM, 256X4, 25ns, CMOS, PDIP22, 0.400 INCH, PLASTIC, DIP-22
22-Pin Dual-Port SRAM, 256 Words, 35ns Access Time, 5V, Commercial Temperature
Standard SRAM, 256X4, 15ns, CMOS, CDIP22, 0.400 INCH, CERDIP-22