Part no. for SSRAM on XEM3050

Hi, this may be the wrong place to post as there is no sub-forum for XEM3050 yet.

May I know what is the part number for the 9MB SSRAM on XEM3050? I’m looking for the datasheet for that.

Thanks!
YY

What XEM3050?

It’s a GS881Z18BGD-200 from GSI Technologies.
Equivalent is CY7C1356C-166BZXC from Cypress Semiconductor.