As other helpers asked, please show the "line", controller, mux, buffer...
You posted 4 times the same circuit....
If You have nothing, no I2C device connected, I think a hanging, waiting for a respons, could be a reason.
As other helpers asked, please show the "line", controller, mux, buffer...
You posted 4 times the same circuit....
If You have nothing, no I2C device connected, I think a hanging, waiting for a respons, could be a reason.