TKD Science and Technology Co., Ltd.
Crystal Oscillators for Network Switches

Crystal Oscillators for Network Switches

Switches require low-EMI differential crystal oscillators (e.g., HCSL output) to coordinate multi-port packet forwarding and MAC/PHY layer timing, thereby preventing network collisions and eliminating packet drops.

Key Clocking Requirements for Network Switches

  • Ultra-Low Phase Jitter
    Ultra-Low Phase Jitter

    112G PAM4 SerDes requires an RMS phase jitter of 35–50 fs.

    Utilizes a standard 312.5 MHz reference clock.

  • High-Frequency & Differential Output
    High-Frequency & Differential Output

    Supports high-frequency outputs at 156.25 MHz, 312.5 MHz, and 625 MHz.

    Features LVPECL/LVDS differential outputs to provide superior EMI immunity.

  • Wide-Temperature Stability
    Wide-Temperature Stability

    Maintains frequency stability of ±20 ppm across the full -40°C to 105°C temperature range.

    Features an ultra-low aging rate of ≤±3 ppm/year.

  • Miniaturized Packaging
    Miniaturized Packaging

    Available in ultra-compact 2016 and 2520 footprints.

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