I confirmed datasheet of "SN65HVDA540-Q1".
According to this datasheet, user can input 3.3V to VIO and 5V to Vcc.
(Please refer to figure 16 Typical Application Using 3.3-V I/O Voltage Level and Low-Power Mode)
So, the question is
Could you please confirm whether there is any restriction at powering up / down ?
(Ex, 3.3V should be ramped up before 5V is ramped up. etc..)