ZHCAAN6D April 2023 – December 2023 LM2901 , LM2901B , LM2901B-Q1 , LM2903 , LM2903-Q1 , LM2903B , LM2903B-Q1 , LM339 , LM339-N , LM393 , LM393-N , LM393B , LM397 , TL331 , TL331-Q1 , TL331B
Date Letter Revision History Changes Intro HTMLC (April 2023)to RevisionD (December 2023)
Date Letter Revision History Changes Intro HTMLB (August 2021)to RevisionC (April 2023)
Date Letter Revision History Changes Intro HTMLA (March 2020)to RevisionB (August 2021)
Date Letter Revision History Changes Intro HTML* (April 2019)to RevisionA (February 2020)