This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

  • TI Thinks Resolved

SN74AVC8T245: Differential clock signal from 3.3V LVDS to 1.8V LVDS

Prodigy 120 points

Replies: 3

Views: 368

Part Number: SN74AVC8T245

Is there an LVDS alternative to the sn74avc8t245?

I have a differential clock signal from an FPGA at 3.3 V and my ADC (ADC16dv160) needs a differential 1.8 V clock signal. 

Alternatly can I use a Semiconductor to take a single 3.3 V clock signal and convert it to a 1.8 V differential signal?

  • Hello Michelle,

    The LVDS parts are not under Standard Logic, I have directed this post to the correct group.

    Thanks!
    -Karan
  • In reply to Karan Kotadia:

    Hello Michelle,

    There isn't an LVDS equivalent for SN74AVC8T245 that I am aware of. However, there may be a solution that will satisfy your requirements. So, I want to make I understand the requirements. It seems AC-coupling is used/recommended on the clock input to the ADC, and the ADC sets its own common mode to 0.9V. So, the requirement is mainly the voltage swing (differential peak-to-peak voltage). I am not clear on the required voltage swing is it 1.8V or 2.8V as mentioned in the "Input Clock Amplitude" parameter mentioned on page 8 of the ADC16DV160 datasheet?

    Regards,
    Yaser
  • In reply to Yaser Ibrahim:

    Hello Michelle,

    I haevn't heard back from you for a while. I will close this thread, but if you still need support, please feel free to reply to this thread and it will be reopened again.

    Regards,
    Yaser

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.