25 Sep '12, 8pm

Jedec releases DDR4 spec supporting 3-D stacks: via @eetimes

for Synchronous DDR4, the next generation for mainstream DRAMs used in everything from laptops to servers. The spec defines an interface delivering up to 3.2 GigaTransfers/second and is Jedec’s first to include features supporting 3-D stacking. “It is likely that higher performance speed grades will be added in a future DDR4 update,” Jedec said in a press statement. The DDR4 interface covers signaling at rates that start 1.6 GT/s, a rate already being exceeded by some DDR3 parts. [Get a 10% discount on ARM TechCon 2012 conference passes by using promo code EDIT. Click here to learn about the show and register.] The DDR4 interface supports stacks of up to eight memory devices presenting only a single signal load. To enhance efficiency and bandwidth, DDR4 chips support two or four selectable bank groups, allowing simultaneous activation, read, write or refresh operations in ...

Full article: http://www.eetimes.com/electronics-news/4397062/Jedec-DDR...

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