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DS90UB954-Q1EVM: Eye-diagram of DS90UB954-Q1EVM and DS90UB953-Q1EVM

peiyq
Expert 1400 points
Part Number: DS90UB954-Q1EVM
Other Parts Discussed in Thread: DS90UB954-Q1, DS90UB953-Q1
Hi TI team

Can you please provide eye-diagram of DS90UB954-Q1EVM
and DS90UB953-Q1EVM for us as a reference?
105℃ and 25℃ eye-diagram result is better for us, thanks!
  • 0
    TI__Expert 3390 points
    Hi Peiyq,

    For the DS90UB953-Q1, please refer to Figure 3 in the datasheet for a capture of the eye-diagram. For the DS90UB954-Q1, please refer to our datasheet recommendation (Table 6) for a min eye-opening of CMLOUT. An eye opening of at least 0.45 UI suggests that the forward channel signal integrity is likely acceptable. An eye opening of less than 0.45 UI indicates possible issues with the forward channel signal integrity. Higher temperature will likely have some effect on the eye-opening. There are also forward Eye-height, jitter and back channel eye-height and width values in the EC tables of the datasheets. This will help you better understand and reference your eye-measurements as to what to expect from eye-diagram captures.

    Regards,
    Mandeep Singh