DDR PHY Training


Brett Murdock, senior product marketing manager at Synopsys, explains how to train the DRAM physical layer using firmware, why that is so important for flexibility, and what kinds of issues engineers encounter when using this approach. » read more

Week In Review: Auto, Security, Pervasive Computing


AI/Edge The United States now has the highest number of COVID-19 cases, and the state governments in the U.S. are asking technologists for help, according to a story in The Washington Post. Data scientists, software developers, and others are needed to help. New York State started a Technology SWAT team calling for help from the tech community. Intel AI Builder program participant DarwinAI ... » read more

Enterprise-Class DRAM Reliability


Brett Murdock, product manager for memory interfaces at Synopsys, examines demand for DDR5 and DDR4 in both on-premise and cloud implementations, what features are available for which versions, how they affect performance and power, how ECC is implemented, and how the data moves throughout these systems. » read more

What’s Next For High Bandwidth Memory


A surge in data is driving the need for new IC package types with more and faster memory in high-end systems. But there are a multitude of challenges on the memory, packaging and other fronts. In systems, for example, data moves back and forth between the processor and DRAM, which is the main memory for most chips. But at times this exchange causes latency and power consumption, sometimes re... » read more

Why DRAM Won’t Go Away


Semiconductor Engineering sat down to talk about DRAM's future with Frank Ferro, senior director of product management at Rambus; Marc Greenberg, group director for product marketing at Cadence; Graham Allan, senior product marketing manager for DDR PHYs at Synopsys; and Tien Shiah, senior manager for memory marketing at Samsung Electronics. What follows are excerpts of that conversation. Part ... » read more

DRAM Tradeoffs: Speed Vs. Energy


Semiconductor Engineering sat down to talk about new DRAM options and considerations with Frank Ferro, senior director of product management at Rambus; Marc Greenberg, group director for product marketing at Cadence; Graham Allan, senior product marketing manager for DDR PHYs at Synopsys; and Tien Shiah, senior manager for memory marketing at Samsung Electronics. What follows are excerpts of th... » read more

Week In Review: Design, Low Power


A new working group has been proposed by Accellera to focus on the standardization of analog/mixed signal extensions (AMS) for the Universal Verification Methodology (UVM) standard. “Our ambition is to apply UVM for both digital and analog/mixed-signal verification,” said Martin Barnasconi, Accellera Technical Committee Chair. “The UVM-AMS PWG will assess the benefits of creating analog a... » read more

Using Memory Differently


Chip architects are beginning to rewrite the rules on how to choose, configure and use different types of memory, particularly for chips with AI and some advanced SoCs. Chipmakers now have a number of options and tradeoffs to consider when choosing memories, based on factors such as the application and the characteristics of the memory workload, because different memory types work better tha... » read more

Industry Heavyweights Eye High-Speed DDR4 Server DIMM Chipsets


DDR3 server DIMM chipsets (800 Mbps) first hit the market in 2006 and began to ramp the following year. By the time DDR4 server DIMM chipsets (2133) began shipping in 2014, DDR3 server DIMM chipsets were spanning the following five speeds: 800, 1066, 1333, 1600 and 1866. In the last years, DDR4 buffer chipset shipments have crossed over in term of volume, with DDR4 chipset speeds expected to... » read more

The Week In Review: Design


Tools Mentor unveiled new formal-based technologies in the Questa Verification Solution. It offers formal-based RTL-to-RTL equivalence checking flows optimized for verification of manual low-power clock gating, bug fix and ECO validation, and ISO 26262 safety mechanism verification, which the company says which can reduce verification turnaround time by 10X. The app also offers expanded cloc... » read more

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