| Parameters | 
                                
                                                                                                            
                                            | Package / Case | 
                                            QFN | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            2 | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            24 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Matte Tin (Sn) | 
                                        
                                                                            
                                            | Max Operating Temperature | 
                                            85°C | 
                                        
                                                                            
                                            | Min Operating Temperature | 
                                            -40°C | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3.3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            40 | 
                                        
                                                                            
                                            | Pin Count | 
                                            24 | 
                                        
                                                                            
                                            | Temperature Grade | 
                                            INDUSTRIAL | 
                                        
                                                                            
                                            | Number of Channels | 
                                            4 | 
                                        
                                                                            
                                            | Max Supply Voltage | 
                                            3.63V | 
                                        
                                                                            
                                            | Min Supply Voltage | 
                                            1.62V | 
                                        
                                                                            
                                            | Nominal Supply Current | 
                                            2.5mA | 
                                        
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | 
                                            SERIAL IO/COMMUNICATION CONTROLLER, I2C BUS | 
                                        
                                                                            
                                            | Data Rate | 
                                            24 Mbps | 
                                        
                                                                            
                                            | Address Bus Width | 
                                            2 | 
                                        
                                                                            
                                            | Boundary Scan | 
                                            NO | 
                                        
                                                                            
                                            | Low Power Mode | 
                                            YES | 
                                        
                                                                            
                                            | Number of Serial I/Os | 
                                            1 | 
                                        
                                                                            
                                            | Data Transfer Rate-Max | 
                                            3 MBps | 
                                        
                                                                            
                                            | Communication Protocol | 
                                            I2C | 
                                        
                                                                            
                                            | Data Encoding/Decoding Method | 
                                            NRZ | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                XR20M1280IL24TR-F Overview
The QFN package is the most cost-effective.The transmission of information is carried out through 4 channels.The type uPs/uCs/Peripheral ICs is SERIAL IO/COMMUNICATION CONTROLLER, I2C BUS.In order to configure this device, 24 terminations are used.In order for it to operate, a voltage of 3.3V must be provided.Data is communicated via 1 serial I/Os.In this case, the electronic device is a type of integrated circuit with 24 pins.To maintain normal work for a long time, the operating temperature should not exceed -40°C.UART is recommended that the operating temperature does not exceed 85°C to ensure long-term, normal performance.Reliability can be ensured when the supply voltage is kept below 3.63V.When the voltage of the supply exceeds 1.62V, the system will be more reliable.
XR20M1280IL24TR-F Features
1 serial I/Os
XR20M1280IL24TR-F Applications
There are a lot of Exar Corporation XR20M1280IL24TR-F UARTs applications. 
- Personal Digital Assistants
 - Battery Operated Instruments
 - Wireless Infrared Data Communications Systems
 - Factory Automation
 - Ethernet Network to Serial Ports
 - Handheld Computers
 - Point-of- Sale Terminals
 - Serial to Parallel/Parallel to Serial Converter
 - Network Management
 - Multimedia Systems