The EM63A165 SDRAM is a high-speed CMOS synchronous DRAM containing 256 Mbits. It is internally configured as 4 Banks of 2 M word x 16 DRAM with a synchronous interface (all signals are registered on the positive edge of the clock signal, CLK). Read and write accesses to the SDRAM are burst oriented; accesses start at a selected locati on and continue for a programmed number of locations in a programmed sequence. Accesses begin with the registration of a Bank Activate command which is then followed by a Read or Write command.

The EM63A16 5 provides for programmable Read or Write burst lengths of 1, 2 , 4, 8, or full page, with a burst termination option. An auto precharge function may be enabled to provide a self-timed row precharge that is initiated at the end of the burst sequence. The refresh functions, either Auto or Self Refresh are easy to use.

By having a programmable mode register, the system can choose the most suitable modes to maximize its performa nce. These devices are well suited for applications requiring high memory band width and particularly well suited to high performance PC applications.


SKU IT-IM130329015
Brand Itead

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