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CDCLVD1216: How to achieve the from 2.5v to 3.3v to input?

Part Number: CDCLVD1216


Single-ended 3.3V for clock input, but the chip requires less than 2.5V, and the data sheet does not specifically say how to achieve it, is there a recommended method?


Best regards

Elsa Duan

  • Hi Elsa,

    Most single-ended 3.3V drivers that are designed to drive 50ohm traces have 50ohm output impedance (Rs = 50ohm). In this case, you can use a 50-ohm termination to GND at the CDCLVD1216 input to reduce the swing by half.

    Kind regards,