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allows higher throughput. Furthermore, as DRAM is much cheaper than SRAM, SRAM is often replaced by DRAM, especially in cases where a large memory capacity is required. SRAM memory is, however, much faster for random, as opposed to block or burst access. Therefore, SRAM memory is mainly used for CPU cache, small on-chip memory, FIFOs or other small buffers.

By feature

* Zero bus turnaround (ZBT)the turnaround is the number of clock cycles it takes

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