随机存储器缓存是由高速静态随机存储器组成的存储器的一部分。
RAM cache is a portion of memory made of high- speed static RAM.
同步动态随机存储器（SDRAM）具有高速，大容量，价格低廉等优点，因而成为缓冲存储器的首选，但是SDRAM控制时序比较复杂，不能与DSP直接接口，这极大地限制了它的广泛应用。
The SDRAM has become the chief choice of the buffer storage because of its high speed, great capacity, and low price; but due to its complex control timing, it cannot directly interface with DSP.
静态随机存储器SRAM作为嵌入式IP应用的一类最主要的高速缓存，已经成为当前数字集成电路领域的一大研究热点。
As a class of most important cache for the embedded IP application, Static Random Access Memory (SRAM) has become one of the hottest research topics in the digital integrated circuits field.
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