4Mb SRAM Asynchronous SDR RAM, 18b Address Bus Width, 16b Word Size, 3.3V 170mA
44-Pin Commercial Temperature SRAM IC, 3.3V, 256K x 16
SRAM Chip Async Single 3.3V 4M-Bit 256K x 16 12ns 44-Pin SOJ T/R
4Mb Asynchronous SRAM, 16b Word, 18b Address, 3.3V, SOJ Package
IDT 4Mb SOJ Asynchronous SRAM, 16b Word, 18b Address, 3.3V, 70°C