tag: low-power design

The Road To Super Chips
By Ed Sperling - 27 Jan, 2025 - Comments: 0

Reticle size limitations are forcing chip design teams to look beyond a single SoC or processor in order to achieve orders of magnitude improvements in processing that are required for AI. But moving data between more processing elements adds a whole new set of challenges that need to be addressed at multiple levels. Steve Woo, distinguished inventor and fellow at Rambus, examines the benefits ... » read more

Impact of Extremely Low Temperatures On The 5nm SRAM Array Size and Performance
By Technical Paper Link - 20 Jan, 2025 - Comments: 0

A new technical paper titled "Novel Trade-offs in 5 nm FinFET SRAM Arrays at Extremely Low Temperatures" was published by researchers at University of Stuttgart, IIT Kanpur, National Yang Ming Chiao Tung University, Khalifa University, and TU Munich. Abstract "Complementary metal–oxide–semiconductor (CMOS)-based computing promises drastic improvement in performance at extremely low temp... » read more

Power Budgets Optimized By Managing Glitch Power
By Adam Kovac - 16 Jan, 2025 - Comments: 0

“Waste not, want not,” says the old adage, and in general, that’s good advice to live by. But in the realm of chip design, wasting power is a fact of physics. Glitch power – power that gets expended due to delays in gates and/or wires – can account for up to 40% of the power budget in advanced applications like data center servers. Even in less high-powered circuits, such as those fou... » read more

How Big A Deal Is Aging?
By Brian Bailey - 17 Oct, 2024 - Comments: 0

Nothing lasts forever, but in the semiconductor world things used to last long enough to become obsolete long before their end of life. That's no longer the case with newer nodes, and it is raising concerns in safety-critical markets such as automotive. Being able to fully understand what happens inside of chips is still a work in progress, and analysis approaches are trying to keep up. Unti... » read more

Higher Density, More Data Create New Bottlenecks In AI Chips
By Adam Kovac - 12 Sep, 2024 - Comments: 0

Data movement is becoming a bigger problem at advanced nodes and in advanced packaging due to denser circuitry, more physical effects that can affect the integrity of signals or the devices themselves, and a significant increase in data from AI and machine learning. Just shrinking features in a design is no longer sufficient, given the scaling mismatch between SRAM-based L1 cache and digital... » read more

Where Power Savings Really Count
By Ed Sperling - 31 Jul, 2024 - Comments: 0

Experts at the Table: Semiconductor Engineering sat down to discuss why and where improvements in architectures and data movement will have the biggest impact, with Hans Yeager, senior principal engineer, architecture, at Tenstorrent; Joe Davis, senior director for Calibre interfaces and EM/IR product management at Siemens EDA; Mo Faisal, CEO of Movellus; Trey Roessig, CTO and senior vice presi... » read more

New Approaches Needed For Power Management
By Karen Heyman - 13 Jun, 2024 - Comments: 0

Power is becoming a bigger concern as the amount of data being processed continues to grow, forcing chipmakers and systems companies to rethink compute architectures from the end point all the way to the data center. There is no simple fix to this problem. More data is being collected, moved, and processed, requiring more power at every step, and more attention to physical effects such as he... » read more

Challenges With Chiplets And Power Delivery
By Ed Sperling - 15 Apr, 2024 - Comments: 0

Chiplets hold the potential to deliver the same PPA benefits as an SoC, but with many more features and options that are possible on a reticle-constrained die. If chiplets live up to the hype, they will deliver what is essentially mass customization, democratizing and speeding the delivery of complex chips across a broad array of markets. Today, the focus has been on die-to-die interfaces, but ... » read more

Architecting Chips For High-Performance Computing
By Ann Mutschler - 15 Apr, 2024 - Comments: 0

The world’s leading hyperscaler cloud data center companies — Amazon, Google, Meta, Microsoft, Oracle, and Akamai — are launching heterogeneous, multi-core architectures specifically for the cloud, and the impact is being felt in high-performance CPU development across the chip industry. It's unlikely that any these chips will ever be sold commercially. They are optimized for specific ... » read more

Power Sub-Mesh Construction To Mitigate IR Drop And Minimize Routing Overhead (Intel)
By Technical Paper Link - 02 Apr, 2024 - Comments: 0

A new technical paper titled "Power Sub-Mesh Construction in Multiple Power Domain Design with IR Drop and Routability Optimization" was published by researchers at Intel Corporation and National Taiwan University. Abstract: "Multiple power domain design is prevalent for achieving aggressive power savings. In such design, power delivery to cross-domain cells poses a tough challenge at adv... » read more

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