The 48-QFP package is the most cost-effective.Transmission uses 2 channels.Currently, this electronic part is Obsolete.Mounting is possible through Surface Mount.This device operates at 5V.There are some characteristics of Counter, Internal Oscillator in it.
ST16C2450CQ48 Features
ST16C2450CQ48 Applications
There are a lot of Rochester Electronics, LLC ST16C2450CQ48 UARTs applications.