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double data rate

   Also found in: Acronyms, Wikipedia 0.01 sec.
double data rate [¦dəb·əl ′dad·ə ‚rāt]
(computer science)
A clocking technique that increases the transfer speeds of synchronous memories by using both the leading and trailing edges of the clock signal to transfer data, effectively doubling the transfer rate or bandwidth.


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officially threw its considerable weight behind double data rate (DDR) SDRAM for PCs, a faster alternative to existing SDRAM.
the world leader in advanced memory technology, announced today that it has increased the data transfer speed of the world's fastest graphics memory - GDDR4 (Graphics Double Data Rate, version 4) - by two-thirds.
has demonstrated the industry's first 1Gigabit (Gb) Double Data Rate (DDR) synchronous DRAM (SDRAM) components manufactured on 0.
 
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