SN75ALS172A: UL Grade of SN75ALS172ADWR

Hi Toru,

Are you asking about the UL rating (i.e. UL certification) or the Unit Load of this device (i.e. how devices can be supported on one bus)?

Because SN75ALS172A is just a transceiver IC (not a full standalone electronic tool)/product, it does not have a UL certification.

However, if you want to learn more about the quality and reliability of this device, here is its report: 

https://www.ti.com/quality-reliability-packaging-download/report?opn=SN75ALS172ADWR  

Best,

Ethan