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Depth expansion of dual-port RAM

Posted: 17 Oct 2008     Print Version  Bookmark and Share

Keywords:depth expansion  dual port  RAM 

The Cypress FLEx72 18Mbit dual-port RAM (CYD18S72V) is touted as the industry's first DP RAM with support for a 72bit wide data bus. Depth expansion of two of these dual-ports doubles the array size from 256K x 72 to 512K x 72, producing an equivalent 36Mbit dual-port for applications that require densities greater than 18Mbit.

Depth expansion of the CYD18S72V FLEx72 18Mbit dual port, the industry's widest and highest-density dual port, doubles the available density to 36Mbit to suit system requirements and provide system designers with increased flexibility. As this expansion is done on a per-port basis, the FLEx72 dual-port provides system designers with a robust and extremely flexible memory interface to use in their applications. Furthermore, the implementation of this depth expansion is easily done by simply using two CY2CC810 fanout buffers per port and increasing the address set-up time to satisfy the timing requirements of the dual-port.

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