EDN

Multi benefits from multi-PLL programmable clocks

There are several different solutions for meeting the clock requirements in set-top box, digital TV, home gateway and consumer applications. Crystals and CMOS crystal oscillators have traditionally ...
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. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...
Semiconductor Engineering

Verification Of Multi-Clock Designs: The Bigger Picture

Yesterday’s SoCs are today’s blocks and sub-chips. The resultant combination of interfaces, protocols and performance objectives regularly results in many clock domains on a single chip. Often, this ...
Electronics Weekly

DATE: Multi-clock design without risk

Today’s technology nodes, at 90nm, 65nm, and below, enable a tremendous amount of functionality on a single chip. To create the high-performance and low-power requirements of consumer-centric, ...
Hosted on MSN

Innovative optical atomic clock could combine single-ion accuracy with multi-ion stability

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...
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 ...