English
DDR Introduction
Established on the existing SDRAM industry infrastructure, DDR (Double Data Rate)memory is a high performance and
DDR memory is a sensible evolutionary solution for the PC industry t hat builds on the existing SDRAM infrastructure, yet makes awesome advances in solving the system performance bottleneck by doubling t he memory bandwidth. DDR SDRAM will of fer a superior solution and migration path from existing S DRAM designs due to its availability, pricing and overall market support. PC2100 DDR memory (DDR266) doubles the datarate through reading and writing at both the rising and fallingedge of the clock, achieving data bandwidth 2X greater than PC133 when running with the same DRAM clock frequency. With peak bandwidth of 2.1GB per second, DDR memory enables system OEMs to build high performance and low latency DRAM subsystems that are suitable for servers, workstations, high- end PC' s and value deskt op S MA systems. With a core voltage of only 2. 5 Volts compared to conventional SDRAM's 3.3 volts, DDR memory is a compelling solution for small form factor desktops and notebook applications.
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