tag: Synopsys

Week In Review: Auto, Security, Pervasive Computing
By SE Staff - 11 Dec, 2020 - Comments: 0

Automotive Self-driving car company Cruise now has driverless cars on the streets of San Francisco, Calif., reports the San Francisco Chronicle. Cruise, which is backed by General Motors, is testing five driverless cars in the urban — and very hilly — environment of San Francisco. Cruise is using an EV — the Chevy Bolt — as a test vehicle. At Level 4 driving, the cars will not have a w... » read more

What Designers Need to Know About Error Correction Code (ECC) In DDR Memories
By Vadhiraj Sankaranarayanan - 10 Dec, 2020 - Comments: 2

As with any electronic system, errors in the memory subsystem are possible due to design failures/defects or electrical noise in any one of the components. These errors are classified as either hard-errors (caused by design failures) or soft-errors (caused by system noise or memory array bit flips due to alpha particles, etc.). To handle these memory errors during runtime, the memory subsyst... » read more

Re-Architecting SerDes
By Brian Bailey - 10 Dec, 2020 - Comments: 0

Serializer/Deserializer (SerDes) circuits have been helping semiconductors move data around for years, but new process technologies are forcing it to adapt and change in unexpected ways. Traditionally implemented as an analog circuit, SerDes technology has been difficult to scale, while low voltages, variation, and noise are making it more difficult to yield sufficiently. So to remain releva... » read more

Low Power Still Leads, But Energy Emerges As Future Focus
By Ann Mutschler - 10 Dec, 2020 - Comments: 1

In 2021 and beyond, chips used in smartphones, digital appliances, and nearly all major applications will need to go on a diet. As the amount of data being generated continues to swell, more processors are being added everywhere to sift through that data to determine what's useful, what isn't, and how to distribute it. All of that uses power, and not all of it is being done as efficiently as... » read more

Waking And Sleeping Create Current Transients
By Bryon Moyer - 10 Dec, 2020 - Comments: 0

Silicon power-saving techniques are helping to reduce the power required by data centers and other high-intensity computing environments, but they’ve also added a significant challenge for design teams. As islands on high-powered chips go to sleep and wake up, the current requirements change quickly. This happens in a few microseconds, at most. The rapid change of loading creates a challen... » read more

Detecting Electrical Hazards Incurred By Inter-Voltage Domain Crossing In Custom SRAMs
By Hari Sathianathan - 09 Dec, 2020 - Comments: 0

Fast-growing markets, such as 5G, biotechnology, AI, and automotive, are driving a new wave of low-power semiconductor design requirements and, hence, more aggressive low-power management techniques are needed. Consequently, even large macros within a chip, such as SRAMs, now feature multiple voltage domains to limit power draw during light-sleep, deep-sleep, and shutdown-low-power modes. These... » read more

Blog Review: Dec. 9
By Jesse Allen - 09 Dec, 2020 - Comments: 0

Arm's Benoit Labbe digs into designing a power converter for Arm Research's ultra-low power M0N0 microcontroller, with a focus on optimal efficiency and leakage constraints. Mentor's Harry Foster tries to get a sense of how much effort is spent in verification of FPGAs by looking at the amount of time spent and number of engineers on a project. Cadence's Paul McLellan listens in as Odile ... » read more

Digital Test Bulks Up – Or Down
By Bryon Moyer - 08 Dec, 2020 - Comments: 2

Large digital integrated circuits are becoming harder to test in a time- and cost-efficient manner. AI chips, in particular, have tiled architectures that are putting pressure on older testing strategies due to the volume of test vectors required. In some cases, these chips are so large that they exceed reticle size, requiring them to be stitched together. New testing efficiencies are needed... » read more

Completing The Silicon Lifecycle Management Puzzle
By Stephen Crosher - 08 Dec, 2020 - Comments: 0

The year 2020 will be remembered for many reasons. The global pandemic, the political struggles and the extreme weather will occupy our thoughts for many years. There was another event that occurred in 2020 that will also be remembered in a smaller, but very important portion of the world. It’s the year that Synopsys acquired Moortec to complete the silicon lifecycle management (SLM) puzzle. ... » read more

Infrastructure Impacts Data Analytics
By Anne Meixner - 08 Dec, 2020 - Comments: 2

Semiconductor data analytics relies upon timely, error-free data from the manufacturing processes, but the IT infrastructure investment and engineering effort needed to deliver that data is, expensive, enormous, and still growing. The volume of data has ballooned at all points of data generation as equipment makers add more sensors into their tools, and as monitors are embedded into the chip... » read more

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