DDR5 SDRAM

Apr 22, 2026 - 02:13
0 0
DDR5 SDRAM

Refreshing

← Previous revision Revision as of 20:42, 21 April 2026
Line 50: Line 50:


=== Refreshing ===
=== Refreshing ===
DDR5 also decreased the refresh interval from 64 ms to 32 ms when operating at and below 85°C. The tRFC4 mechanism from DDR4 is retired. A tRFCsb timing is added.
DDR5 also decreased the refresh interval from 64 ms to 32 ms when operating up to 85°C. At 85°C to 95°C refresh times are 16 ms. The tRFC4 mechanism from DDR4 is retired. A tRFCsb timing is added.


It also provides two refresh commands: REFab and REFsb.
It also provides two refresh commands: REFab and REFsb.
Read More