EDN

Formal approach eases multiple clock design

Multiple, independent clocks are ubiquitous in system-on-chip (SoC) design. Most SoC devices have multiple interfaces, some following standards that use very different clock frequencies. Many modern ...
IFLScience

Multi-Ion Optical Atomic Clock Takes A Step Towards Changing The Definition Of A Second

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
EDN

On-time Finish Rests With Multiple Clocks

Today's leading-edge system-on-chip (SoC) designs typically have multiple clock domains and, in many cases, multiple internally generated clocks. In test mode, those clocks may be combined into one, ...
Semiconductor Engineering

Supporting Multiple Time Domains In SoC Production Test

Complex system-on-chip (SoC) devices make every stage of the development flow harder, and the challenges continue even after the silicon is fabricated. Automatic test equipment (ATE) screening for ...
Physics World

Multi-qubit entangled states boost atomic clock and sensor performance

Coloradans Left to right are Adam Kaufman, Nelson Darkwah Oppong, Alec Cao and Theo Lukin Yelin. They are inspecting an atomic optical clock at JILA. (Courtesy: Patrick Campbell/CU Boulder) Frequency ...
Electronic Design

Introduction to Multisource Clock Tree Systems

Multisource CTS represents a new clock-distribution technology that fills the methodology gap between conventional CTS and pure clock mesh. Whereas pure clock mesh delivers the best possible clock ...
Popular Science

The most precise atomic clocks ever are proving Einstein right—again

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For most of human history, we kept time by Earth’s place in space ...