JEDEC revises the HBM memory standard

JEDEC revises the HBM memory standard

The JEDEC Solid State Technology Association, which defines the standards for the electronics industry, has updated the high-bandwidth memory (HBM) standard with new specifications that pave the way for the introduction of the eagerly awaited HBM 2.0 memory generation.

Despite all expectations the new memory standard does not mention an official HBM 2.0 name but we all know that the new specs are designed for the new memory generation. Officially the standard has been changed from JEDS235 to JEDS235A, which might create confusion down the road but this is it. The new specification allow more flexibility – now manufacturers can use stacks of two, four and even eight HBM memory chips, which will allow the creation of HBM-enabled video cards with up to 32 GB of memory. The memory bus has not changed, though, and remains at 1024 bits but the memory bandwidth has been increased to 256 GB/sec per memory stack. Thus HBM 2.0-based video cards for example will be able to achieve memory bandwidth of 1 TB/sec when using 4 DRAM stacks. In addition the new standard includes a temperature control function that changes the way memory functions when a certain temperature threshold is exceeded.

“GPUs and CPUs continue to drive demand for more memory bandwidth and capacity, amid increasing display resolutions and the growth in computing datasets. HBM provides a compelling solution to reduce the IO power and memory footprint for our most demanding applications,” said Barry Wagner, JEDEC HBM Task Group Chairman.

HBM 2.0 video cards are expected later this year. Chances are that the upcoming NVIDIA Pascal GPU generation will use HBM 2.0 memory from the start.

Source: JEDEC

Related posts

Packard Bell presents Liberty Tab Android powered tablet

Packard Bell also jumps on the Android based tablet bandwagon with introduction of its 10.1-inch Liberty Tab, which will come with Android 3.0 (Honeycomb) OS. The tablet is powered by NVIDIA Tegra 2 dual-core processor and is also equipped with GPS, WiFi, 3G, Bluetooth and a 2 megapixel camera...

AMD likely to release first “Abu Dhabi” Piledriver-based Opterons next month

Struggling chip maker AMD is likely to release its first server-oriented Piledriver-based Opteron processors, codenamed “Abu Dhabi” next month, sources close to the company claim. If the release takes place this would mean the desktop Piledriver chips may get released this year...

Sony working on new smartphone

Sony working on new smartphone

Despite recent online rumors that Sony might soon end its smartphone business, the acclaimed Japanese company has decided to launch at least one more model. The device does not have an official name as of now but we know that it will have a 5.2-inch display thanks to details seen in Geekbench...

Leave a comment