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Tuesday, October 17, 2017

DRAM? SDRAM ?

Memory FAQ Topics
DRAM? SDRAM ?
Q. What's the difference between buffered and unbuffered DIMMs?
A. High density DIMMs have lots of chips on them and therefore possess a higher capacitive load on the address and control signals in comparison to lower density DIMMs. Some designers use re-drive buffers on the DIMM to boost the signals to reduce system loading when compared to the same high density module without buffers. But,
the buffers introduce a small delay into the electrical signal, so adding buffers to a standard density module would have the effect of slowing down the signal, compared to the same low density module without buffers.
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