VHDL: QDR SRAM Controller
The QDR Consortium designed the quad data rate (QDR) SRAM architecture for high-performance communications systems such as routers and asynchronous transfer mode (ATM) switches. QDR SRAMs can handle the transfer of four data words through the SRAM in a single clock cycle.
You can implement the Altera® QDR SRAM controller reference design in a Stratix® or Stratix GX device to provide a simplified interface to a QDR SRAM device. The reference design includes VHDL source files, synthesis and place-and-route project files, and functional and timing simulation environments.
Download the QDR SRAM controller reference design:
The use of this design is governed by, and subject to, the terms and conditions of the Altera Hardware Reference Design License Agreement.
Figure 1. QDR SRAM Controller Top-Level Block Diagram
For more information on using this example in your project, go to:
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These design examples may only be used within Altera Corporation devices and remain the property of Altera. They are being provided on an “as-is” basis and as an accommodation; therefore, all warranties, representations, or guarantees of any kind (whether express, implied, or statutory) including, without limitation, warranties of merchantability, non-infringement, or fitness for a particular purpose, are specifically disclaimed. Altera expressly does not recommend, suggest, or require that these examples be used in combination with any other product not provided by Altera.
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