There is a cost-effective package 44-LCC (J-Lead) available.Transmissions are made using 2, DUART channels.As for packaging, Tube is chosen.At present, this electronic part has a status of Obsolete.You can mount it by using Surface Mount.There is 2.97V~5.5V supply voltage for it.Several characteristics of Internal Oscillator, Timer/Counter are present in it.
XR16C2550IJ-F Features
XR16C2550IJ-F Applications
There are a lot of MaxLinear, Inc. XR16C2550IJ-F UARTs applications.