18 CONNECTED ELECTRONICS www.sitime.com Issue 3 2024 Power Electronics Europe www.power-mag.com Reimagining the Holdover Oscillator MEMS-based Precision Timing Delivers Accurate, Reliable, Ultra-Stable Clock Signals for the Era of Intelligent, Connected Electronics. By Piyush Sevalia, Executive VP Marketing, SiTime Precision timing provides the heartbeat of all electronics, playing a crucial role in the seamless operation and synchronization of countless devices, systems, and networks. In today’s era of intelligent and connected electronics, the demand for precise and reliable timing technology has exponentially increased with the rise of AI computing, 5G networks, cloud data centers and the Internet of Things (IoT). These advancements underscore the importance of precision timing in critical network infrastructure. All nodes in a network must be precisely synchronized with increasing accuracy to maximize performance and reliability. For example, 5G network nodes must be synchronized within hundreds of nanoseconds, which is ten times more stringent than required by 4G LTE networks. MEMS-based Precision Timing: Disrupting the Century-Old Quartz Legacy Precision timing technology has evolved rapidly in recent years to meet the demands of high-speed, time-sensitive networks. Microelectromechanical systems (MEMS) technology has emerged as a game-changer in the realm of precision timing. MEMS-based precision timing technology is rapidly gaining traction, disrupting the century-old legacy dominated by quartz-based timing solutions. While quartz crystals have served the electronics industry well for decades, MEMS technology elevates precision timing to new levels of performance and reliability. MEMS resonators are miniature mechanical systems fabricated on a microscale, typically in the range of micrometers. They integrate electronic, mechanical and electromechanical elements to create highly stable and reliable timing components that offer several advantages over traditional quartzbased systems: Miniaturization: MEMS timing components are significantly smaller than their quartz counterparts, facilitating the development of compact, lightweight electronic devices without sacrificing performance. Improved resilience: MEMS devices can withstand extreme environmental conditions, including temperature variations, airflow, shock, and vibration, making them ideal for applications that demand robust performance and reliability in challenging environments. Lower power consumption: MEMS devices are more energy-efficient than quartz alternatives, contributing to longer
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