TCXO enhances synchronization for 800G networks
The SiT5977 Super-TCXO from SiTime is a single-chip timing device that achieves 3X better synchronization than its predecessor and enables 800G network connectivity. Part of the Elite RF family, this differential-ended TCXO optimizes AI compute efficiency in large data centers.
With a dedicated low-phase-noise MEMS resonator driving its integrated PLL, the SiT5977 simplifies AI system architectures by replacing multiple timing components. This ultra-stable, low-jitter TCXO provides a 156.25-MHz output with 80-fs phase jitter and LVDS outputs, supporting 800G and higher links. Integrated digital control adds system-level programmability.
The SiT5977 offers ±0.1 to ±0.25 ppm frequency stability, ensuring precise timing for high-speed networks and AI systems. Designed for demanding environments, it features a ±1-ppb/°C frequency slope (dF/dT) for resilience against airflow and thermal shock. Its digitally controlled tuning allows fine frequency adjustments with a ±400-ppm pull range and 0.05-ppt (5e-14) resolution via an I2C/SPI interface, facilitating embedded control loops for real-time compensation.
Housed in a compact 5.0×3.5-mm package, the SiT5977 Super-TCXO is now in production, with samples available.
Find more datasheets on products like this one at Datasheets.com, searchable by category, part #, description, manufacturer, and more.
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