SRAM Chip Async Single 3.3V 4M-Bit 256K x 16 15ns 44-Pin TSOP-II T/R
4Mb SRAM RAM Asynchronous SDR 18b Parallel Interface TSOP
3.3V 10ns SRAM IC, 256K x 1, Parallel, TSOP-44
IDT 4Mb 18b Address Bus Width Single-Port Memory Device 3.3V 0-70°C
71V416S15PHI8