DDR4_OIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII by bestt571

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DDR, also known as double data rate SDRAM Dual Date Rate SDRSM DDR SDRAM is a high-speed CMOS dynamic random access memory JEDEC Solid State Technology Association, the United States in June 2000 announced a double data rate synchronous DRAM (DDR SDRAM) standard JESD79 because it trigger edge of the clock can be up and down along the data transmission so even in the 133MHz bus frequency bandwidth can achieve 2.128GB / s DDR voltage of 3.3V is not supported but support a 2.5V LVTTL SSTL2 it can still follow the now standard production system with SDRAM SDRAM manufacturing cost is slightly higher than some, but far less than the price of Rambus DDR memory represents the future to compete with Rambu memory development in one direction.

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