www.DataSheet4U.com 128K x 36, 256K x 18 3.3V Syn.
IDT
IDT71V259S - (IDT71V2577S / IDT71V25779) Synchronous SRAMs
www.DataSheet4U.com 128K x 36, 256K x 18 3.3V Synchronous SRAMs 2.5V I/O, Flow-Through Outputs Burst Counter, Single Cycle Deselect Features x x IDT.