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needs to be refreshed once a second, even at 70 C, for correct operation of the remaining 99% of the pages. Some experiments combine these two complementary techniques, giving correct operation at room temperature at refresh intervals of 10 seconds.

For error-tolerant applications (e.g. graphics applications), refreshing non-critical data stored in DRAM or eDRAM at a rate lower than their retention period saves energy with minor quality loss, which is an example of approximate computing.

SRAM

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