editor's blog
Subscribe Now

What’s New at 20 nm

We talked in a separate piece today about Synopsys’s multi-source clock synthesis technology, but that was only one of several pieces of new technology in their new package. Among other parts of the release were the following non-trivial items:

  • Double patterning: it’s real now. It’s not used for every layer, just the bottom few layers. But it’s no longer something that will come someday: it’s here.
  • In the past, metal was metal. When routing, each layer was useful, and all layers were considered to be the same. That’s not the case anymore: lower layers have skinny, resistive lines; upper layers have broader, less-resistive lines. So now it matters which layer gets used. If the router is going to pick a layer, it has to consider the performance implications.
  • IP blocks are standard today. The problem is, they don’t usually fit together particularly well, leaving narrow routing channels that tend to get congested. They’ve improved their router so that it restricts that area only to signals that really need to be there; everything else is routed a different way to make the best use of that limited space.

You can find a brief discussion about what’s new for 20 nm in IC Compiler can be found in their release announcing their work with Renesas; and what’s new in their other tools is outlined briefly in their release announcing their work with Samsung.

Leave a Reply

featured blogs
Dec 11, 2019
The IC6.1.8 ISR8 and ICADVM18.1 ISR8 production releases are now available for download at Cadence Downloads . IC6.1.8 ISR8 ICADVM18.1 ISR8 For information on supported platforms, compatibility with... [[ Click on the title to access the full blog on the Cadence Community si...
Dec 10, 2019
I now expect widespread deployment of fully autonomous cars by about 2030. Do you agree with this assessment, or do you think I'm being overly optimistic?...
Dec 6, 2019
SC19 has come and gone. Anticipation for SC20 in Atlanta is already building. Before we look ahead, what were some highlights from SC19? AI is Everywhere AI is affecting all aspects of life. At SC19, technical presentations showed how AI and HPC are helping researchers cure h...
Dec 6, 2019
[From the last episode: We looked at the role of interrupts in a processor, and how they help save energy in battery-powered IoT devices.] OK, time to take a breath. We'€™ve covered a wide range of computing concepts; time for a quick review. We started by looking at the ro...