FPGA link to external memory
Sometimes manufacturers don't provide all of the details in a datasheet. There are a few things to do if you can't find the info you need. 

1) Check the product page for additonal resources
2) Check for app notes or tech notes on the product or product family
3) Search horizontally for similar products on the manufactures site or other manufacturers sites for relevant information  

Micron cellular ram is a replacement to SRAM.. The routing should be simmilar to SRAM routing because it runs at the same speeds. Here is a guide for all micron routing information

There is also an HDL file on their product page for interfacing in HDL and they have IBIS files for simulating.