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Hi Team,
We penetrated our TXS0104E for customer to work as 1.8V to 5V I2C level-shift. Below is customer's schematic:
Below is the waveform from both 1.8V side and 5V side, data and CLK waveform:
C1(yellow curve): 1.8V side data, C2(pink curve),:1.8V side CLK;C3(Blue curve): 5V side CLK, C4(Green curve),:5V side data;
As I highlighted in the waveform, the 5V data signal seems affected a lot from the 5V SCK falling and rising edge. But in customer's PCB, the 5V data and SCK pcb trace is very short and no connect between each other. Can expert help analysis why the 5V data waveform seems corss-talked with 5V SCK? How to avoid or solve this cross-talk?
Thanks a lot for your support on this urgent issue!
Best regards,
Sulyn
Hi Emrys,
Thanks for the support! As I will go to customer side for support, it's better we can have some solution or root cause analysis, that will be great helps.
Best regards,
Sulyn