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Diodes Incorporated


The new PI6C59xxxxx series of differential clock buffers from Diodes Incorporated helps designers to implement designs for high-performance applications such as data centers and 5G base stations thanks to its support for Ethernet data rates up to 400Gbits/s.

Network communications equipment under development today typically operates at speeds ranging from 25Gbits/s up to 400Gbits/s, a category known as Terabit Ethernet, or TbE.

At these high speeds, it becomes harder for switches and routers to maintain signal integrity in challenging environments.

The PI6C59xxxxx differential clock buffers help designers to solve this problem by providing a wider signal margin while expanding the drive capability of all clock and data signals used in high-speed communications.

The 13 devices in the PI6C59xxxxx series cover a number of speeds and technologies, as well as combinations of input and output configurations. They enable system designers to increase the fan-out of clock sources and improve clock and/ or data distribution in communication applications operating at frequencies between 1.5GHz and 6GHz. This covers 25GbE, 40GbE, 56GbE, 100GbE and 400GbE network equipment.

The ultra-low additive jitter of the PI6C59xxxxx devices is around 10fs, giving improved jitter margins which help the system to maintain overall accuracy.


PI6C59xxxxx: Supports up to 400GbE systems

PI6C59xxxxx: Supports up to 400GbE systems


  • Available in 2-, 4-, 12- and 16-output configurations
  • Good thermal conductivity
  • Supports high-speed signaling technologies:
    • Current Mode Logic (CML)
    • Low-Voltage Differential Signaling (LVDS)
    • Low-Voltage Positive Emitter Coupled Logic (LVPECL)
    • Stub Series Terminated Logic (SSTL)
    • Low-Voltage CMOS (LVCMOS)
  • Data centers
  • Mobile network base stations
  • Telecoms equipment


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