71V416S12YGI8
SRAM Chip Async Single 3.3V 4M-Bit 256K x 16 12ns 44-Pin SOJ Tube/Tray
SRAM Chip Async Single 3.3V 4M-Bit 256K x 16 12ns 44-Pin SOJ T/R
4Mb SRAM Asynchronous SDR SOJ Package, 3.3V, 170mA, -40°C to 85°C
IDT 4Mb SOJ 3.3V 180mA Asynchronous SRAM