category: A Bit About Memory

category: IoT, Security & Automotive

HBM2e Offers Solid Path For AI Accelerators
By Sanjay Charagulla - 13 Jun, 2019 - Comments: 0

Today, AI processors are so blazingly fast that they’re constantly having to wait for data from memory. Unfortunately, with the status quo, memory is just not fast enough to unleash the true performance of those new and highly advancing AI processors. In simple terms, AI processor performance is rapidly growing, and memory is not keeping up. This creates a bottleneck, or what Rambus calls the... » read more

Engineering The Signal For GDDR6
By Shawn Nikoukary - 09 May, 2019 - Comments: 0

DDR1 through DDR3 had their challenges, but speeds were below one gigabit and signal integrity (SI) challenges were more centered around static timing and running pseudo random binary sequence (PRBS) simulations. Now, with GDDR6, we are working on 16 to 20 gigabits per second (Gbps) signaling and even faster in the near future. As a result, engineering the signal for GDDR6 will require careful ... » read more

GDDR6 And HBM2: Signal Integrity Challenges For AI
By Frank Ferro - 11 Apr, 2019 - Comments: 0

In a nutshell, Artificial Intelligence (AI) and its growing list of applications demand a considerably large amount of bandwidth to push bits in and out of memory at the highest speeds possible. AI has been getting a lot of industry attention, and certainly it’s not a new phenomenon because it’s been gaining even greater traction in the last year or two. This is especially true since a n... » read more

GDDR6: Signal Integrity Challenges For Automotive Systems
By Frank Ferro - 14 Mar, 2019 - Comments: 0

Signal integrity (SI) is at the forefront of SoC and system designers’ thinking as they plan for upcoming high-speed GDDR6 DRAM and PHY implementations for automotive and advanced driver assistance system (ADAS) applications. Rambus and its partners are closely looking at how GDDR6’s 16 gigabit per second speed at each pin affects signal integrity given the cost and system constraints for a... » read more

The Promise Of GDDR6 And 7nm
By Frank Ferro - 14 Feb, 2019 - Comments: 1

Research Nester, a market research and consulting firm, estimates that the “global market of computer graphics may witness a remarkable growth and reach at the valuation of $215.5 billion by the end of year 2024.” Plus, it says this market is expected to grow at a significant compound annual growth rate or CAGR of 6.1% over the forecast period 2017 to 2024. Computer graphics is just the ... » read more

PCIe 4.0 Hangs In, PCIe 5.0 Coming On Strong
By Mondeep Thiara - 17 Jan, 2019 - Comments: 0

First introduced in 2003 as a universal serial chip-to-chip interface running at 2.5 Gbps, PCI Express (Peripheral Component Interconnect Express), also known as PCIe, has advanced several revisions with significant improvements to performance and other features with each new generation. Through broad support, backwards compatibility, and a consistent cadence of upgrades that doubled lane sp... » read more

Taking Steps Toward Hybrid Memory
By Ken Wright - 13 Dec, 2018 - Comments: 0

What is the memory subsystem of the future, and how do we get there? Since our Hybrid Memory research program began, Rambus Labs and its industry partners and collaborators have made significant progress under the banner of OpenPOWER and OpenCAPI Foundations, an open development community based on the POWER microprocessor (mP) architecture. Rambus Labs is using the Wistron POWER9 systems’ Ope... » read more

Die-to-Die Interconnects for Chip Disaggregation
By Mondeep Thiara - 10 Nov, 2018 - Comments: 0

Today, data growth is at an unprecedented pace. We’re now looking at petabytes of data moving into zettabytes. What that translates to is the need for considerably more compute power and much more bandwidth to process all that data. In networking, high-speed SerDes PHYs represent the linchpin for blazing fast back and forth transmission of data in data centers. In turn, demand is increa... » read more

Die-To-Die Interconnects For Chip Disaggregation
By Mondeep Thiara - 09 Nov, 2018 - Comments: 0

Today, data growth is at an unprecedented pace. We’re now looking at petabytes of data moving into zettabytes. What that translates to is the need for considerably more compute power and much more bandwidth to process all that data. In networking, high-speed SerDes PHYs represent the linchpin for blazing fast back and forth transmission of data in data centers. In turn, demand is increasin... » read more

ADAS Further Extends 7nm Challenges
By Mondeep Thiara - 11 Oct, 2018 - Comments: 0

As we discussed previously on the LPHP blog, 7nm nodes hold great promise for reducing power, improving performance and increasing density for next-generation chips, but also present a set of engineering challenges. When you factor in the standards set for autonomous vehicles (AV) and advanced driver assistance systems (ADAS) system-on-chips or SoCs, those challenges can more than double. Autom... » read more

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