25/0251 CY7C09279/89 CY7C09379/89 32K/64K x16/18.
CY7C09389V - 3.3 V 16K / 32K / 64K x 16 / 18 Synchronous Dual-Port Static RAM
CY7C09389 - (CY7C09279 - CY7C09289) 32K/64K X 16/18 Synchronous Dual Port Static RAM