SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM
4Mb SRAM Asynchronous SDR RAM, 18b Address Bus Width, 16b Word Size, 3.3V 170mA
4Mb Asynchronous SRAM, 16b Word, 18b Address, 3.3V, SOJ Package
44-Pin Commercial Temperature SRAM IC, 3.3V, 256K x 16