Xilinx offers a comprehensive set of solutions and collateral to help customers interface to QDRII and QDR II+ SRAMs.
UltraScale™ FPGAs will be supporting up to 633 MHz clock rates for QDR II+ interfaces with increased flexibility for ease of use and higher bandwidth per FPGA. Xilinx will be offering a customized QDR II+ interface with the Memory Interface Generator (MIG).
The 7 series FPGAs Memory Interface Solutions User Guide provides information about using, customizing, and simulating LogiCORE™ IP memory interface cores for the 7 series FPGAs.
Cypress Semiconductor QDRII SRAM Data Sheets
Online Demo: Using Vivado MIG