| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            26 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            44-LCC (J-Lead) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Feature | 
                                            Internal Oscillator, Timer/Counter | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            44 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Matte Tin (Sn) | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.31.00.01 | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            5V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            J BEND | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            1.27mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-PQCC-J44 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            Not Qualified | 
                                        
                                                                            
                                            | Operating Temperature (Max) | 
                                            85°C | 
                                        
                                                                            
                                            | Operating Temperature (Min) | 
                                            -40°C | 
                                        
                                                                            
                                            | Temperature Grade | 
                                            INDUSTRIAL | 
                                        
                                                                            
                                            | Number of Channels | 
                                            2, DUART | 
                                        
                                                                            
                                            | Number of I/O | 
                                            4 | 
                                        
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | 
                                            SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | 
                                        
                                                                            
                                            | Clock Frequency | 
                                            7.372MHz | 
                                        
                                                                            
                                            | Supply Current-Max | 
                                            15mA | 
                                        
                                                                            
                                            | Address Bus Width | 
                                            8 | 
                                        
                                                                            
                                            | Boundary Scan | 
                                            NO | 
                                        
                                                                            
                                            | Low Power Mode | 
                                            YES | 
                                        
                                                                            
                                            | External Data Bus Width | 
                                            8 | 
                                        
                                                                            
                                            | RAM (words) | 
                                            128 | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            1Mbps | 
                                        
                                                                            
                                            | Number of Serial I/Os | 
                                            2 | 
                                        
                                                                            
                                            | Bus Compatibility | 
                                            8080; 8080A; 8085; 8086; 8088; Z80; Z8000; 68XX; 65XX; 8051; 68HC11 | 
                                        
                                                                            
                                            | On Chip Data RAM Width | 
                                            8 | 
                                        
                                                                            
                                            | Data Transfer Rate-Max | 
                                            0.125 MBps | 
                                        
                                                                            
                                            | Communication Protocol | 
                                            ASYNC, BIT | 
                                        
                                                                            
                                            | Data Encoding/Decoding Method | 
                                            NRZ | 
                                        
                                                                            
                                            | FIFO's | 
                                            3 Byte | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            4.57mm | 
                                        
                                                                            
                                            | Length | 
                                            16.585mm | 
                                        
                                                                            
                                            | Width | 
                                            16.585mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                XR88C681J-F Overview
Alternatively, UART can be purchased in the cost-effective 44-LCC (J-Lead) package.Transmission uses 2, DUART channels.In terms of packaging, Tube is used.Its uPs/uCs/Peripheral ICs use SERIAL IO/COMMUNICATION CONTROLLER, SERIAL.44 terminations are used as parts of its configuration.For its operation, it requires a supply voltage of 5V.In the present state, this electronic part is Active.As a means of communicating data, there are 2 serial I/Os available.Through Surface Mount, it can be mounted.5V supply voltage is required to operate it.There is a 7.372MHz clock frequency for this IC.The object possesses some characteristics that are similar to Internal Oscillator, Timer/Counter.The device is capable of operating at temperatures as high as 85°C.A minimum of -40°C is required for operation.In total, there are 4 I/Os designed to transfer data.15mA is the maximum supply current that is acceptable.
XR88C681J-F Features
2 serial I/Os
Clock frequency of 7.372MHz
4 I/Os
XR88C681J-F Applications
There are a lot of MaxLinear, Inc. XR88C681J-F UARTs applications. 
- Multi serial ports RS-232/RS-422/RS-485 Cards
 - Ethernet Network to Serial Ports
 - Ethernet Network Routers
 - Factory Automation and Process Controls
 - Cellular data devices
 - Cellular Data
 - GPS Devices
 - Battery Operated Instruments
 - GPS Systems
 - Gaming Terminals