Micron Airs New DDR4 DRAM For Tablets, Servers, Ultrabooks
May 9, 2012 9:30 AM
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New DDR4 is faster and more power efficient
Micron has announced the development of its first fully functional DDR4 DRAM module. The company is currently sampling the modules and getting feedback from major customers to support the implementation of applications starting in 2013. Currently the majority of computers and other devices are using DDR3 DRAM.
The adoption of DDR4 memory will bring improvements to the high performance computing and consumer electronics markets. Micron expects enterprise and micro server markets to take full advantage of the new specification early. The modules are also appropriate for ultrathin client and tablet markets. The new DDR4 modules offer power savings and performance enhancements that are important for mobile devices, such as tablets.
"With the JEDEC definition for DDR4 very near finalization, we've put significant effort into ensuring that our first DDR4 product is as JEDEC-compatible as it can be at this final stage of its development," said Brian Shirley, vice president for Micron's DRAM Solutions Group. "We've provided samples to key partners in the market place with confidence that the die we give them now is the same die we will take into mass production."
Micron is among the pioneers in DDR4 memory. [Image Source: TweakTown]
Micron's DDR4 technology was codeveloped with Nanya and is based on Micron's 30 nm technology. The modules developed are 4 Gb x 8 units and will be used in RDIMM, LRDIMM, 3DS, SODIMM, and UDIMM applications. The product will also be offered for soldered down spaces in x8, x16, and x32 with initial speeds up to 2400 megatransfers per second. Micron plans volume production the kickoff in Q4 2012 and has been sampling the key partners since the beginning of 2012.
The U.S. DRAM maker's South Korean rival Samsung has also been samping DDR4 memory.
It's been a sad year for Micron after seeing its long-time CEO Steven Appleton
perish in a February plane crash
. Appleton was replaced by
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RE: I stopped reading
5/21/2012 3:43:51 AM
The HP Gen8 DL360p and DL380p have support for Netlist (NLST) HyperCloud memory.
This is the memory DDR4 is going to copy (license).
LRDIMMs are already copying it - but have implemented it with asymmetrical lines - leading to latency issues - and inability to deliver 1333MHz at 3 DPC.
With HP Smart Memory HyperCloud - you can get 1333MHz at 3 DPC at 24DIMMs on the 2-processor DL360p and DL380p servers.
LRDIMM buffer chipsets are only made by Inphi (IDTI and Texas Instruments have delayed and backed off respectively). Inphi was the most aggressive against Netlist (NLST) - however they have recently failed in their challenge of NLST IP in patent reexaminations at the USPTO - NLST IP '537 and '274 have been reaffirmed by the USPTO with ALL claims intact - which reflects poorly on Inphi in NLST vs. Inphi.
LRDIMMs thus face legal risk (of possible recall ?).
DDR4 also copies NLST IP - but have chosen to also copy the symmetrical lines and distributed buffer approach.
JEDEC should eventually license NLST IP for DDR4 prior to finalization.
"Nowadays you can buy a CPU cheaper than the CPU fan." -- Unnamed AMD executive
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