256Kb 32Kx8 Asynchronous SRAM, 15ns, CMOS, TSSOP
CY7C1399BN Series 256 Kb (32 K x 8) 3.3 V 15 ns Static RAM - TSOP I-28
256Kb SRAM, 32Kx8, 15ns, Asynchronous, TSOP