Hi Xiaosen,
Thanks for your inquiry. This question is related to the Standard Products business. We would like to inform you that NXP has divested it´s Standard Products business on Feb 6th 2017. This new standalone company is called “Nexperia”, headquartered in the Netherlands, and is a world-class leader in Discretes, Logic and MOSFETs.
https://www.nexperia.com/products/logic/i-o-expansion-logic/bus-switches/series/74CBTLV3257.html
We would like to ask you to re-enter your inquiry at the Nexperia support web page: www.nexperia.com/support.
Thank you!
Best regards,
Tomas
