This CSD23381F4 device ESD protection is unidirectional , if bi directional is a requirement then you could use the CSD23382F4 , which is pin compatible. The CSD23382F4 has lower resistance but the trade off as with any bi-directional ESD protection is…
Jeevan,
I have requested a TINA TI SPICE model for the CSD23382F4 - I'll let you know when I have a schedule for completion.
Not sure why one wasn't already created.