XR21B1411IL16-E1-F Overview
It is available in the 16-VFQFN Exposed Pad package. Regulating the temperature to -40°C~85°C is crucial to ensuring reliable operation. If you use a 4.4V~5.25VV power supply, you should have no problem.
XR21B1411IL16-E1-F Features

XR21B1411IL16-E1-F Applications
There are a lot of MaxLinear, Inc.
XR21B1411IL16-E1-F Controllers Interface ICs applications.

Commercial LED Lighting
Smart LED Lighting
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
IrDA transmission control
Remote transmission formatter
Docking
Mobile Monitors

Package / Case	16-VFQFN Exposed Pad
Supplier Device Package	16-QFN (3x3)
Operating Temperature	-40°C~85°C
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Voltage - Supply	4.4V~5.25V
Function	Bridge, USB to UART
Interface	UART
Protocol	USB
Standards	USB 2.0