256Kb 32Kx8 Asynchronous SRAM, 55ns, CMOS, TSSOP
CY62256N Series 256 kb (32 K x 8) 4.5 - 5.5 V Static Ram - TSOP I-28
256Kb SRAM, 32Kx8, 55ns, CMOS, TSSOP, Parallel