All ProductsExarSemiconductorsIntegrated Circuits (ics)Analog Front End (afe) EXAR SemiconductorsIntegrated Circuits (ics)Analog Front End (afe) XR-2321CP DIP, DIP20,.3 MFR. Name: Exar XR-2401CP DIP, DIP40,.6 MFR. Name: Exar