Despite the performance improvement in the overall system from using SDRAM, the growing performance gap between the memory and processor must be filled by more advanced memory technologies. These technologies, described on the following pages, boost the overall performance of systems using the latest high-speed processors (Figure 10).
Double data rate SDRAM technologies
Double Data Rate (DDR) SDRAM is advantageous for systems that require higher bandwidth than can be obtained using SDRAM. Basically, DDR SDRAM doubles the transfer rate without increasing the frequency of the memory clock. This section describes three generations of DDR SDRAM technology.
Information porvided by Hewlett-Packard Development Company, L.P.
Figure 10.jpg
คำจำกัดความ:
Figure 10. Peak bandwidth comparison of SDRAM and advanced SDRAM technologies
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