An SRAM (Static Random Access Memory) is a memory element that is a key part of the core of many high-performance systems. SSRAM (Synchronous Static Random Access Memory) are devices that are synchronized with an external clock signal. SSRAM devices will read and write information into the memory only on particular states of the clock.
The most common application for SSRAM is for Cache memory, which is used to supply a processor with the most frequently requested instructions and data. Instructions and data located in cache memory can be accessed many times faster than instructions and data located in main memory, typically Synchronous DRAM. The more instructions and data a processor can access directly from cache memory, the better overall performance of the system.
This paper provides a detailed overview of SSRAM and how it differs from other types of memory. Topics covered include Cache Memory, Cache Operation, Burst Modes, Burst Types, SSRAM types, and DDR SRAM.
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