256K x 36, 512K x 18 3.3V Synchronous ZBT™ SRAMs.
IDT
IDT71V65803Z - 3.3V Synchronous ZBT SRAMs
256K x 36, 512K x 18 3.3V Synchronous ZBT™ SRAMs ZBT™ Feature 3.3V I/O, Burst Counter Pipelined Outputs IDT71V65603/Z IDT71V65803/Z Features ◆ 256K .