| Parameters | 
                                                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Supply Voltage | 3.3V | 
                                                                            
                                            | Terminal Pitch | 0.5mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 
                                                                            
                                            | Base Part Number | TL16C554 | 
                                                                            
                                            | Pin Count | 80 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Operating Supply Voltage | 5V | 
                                                                            
                                            | Temperature Grade | COMMERCIAL | 
                                                                            
                                            | Number of Channels | 4, QUART | 
                                                                            
                                            | Nominal Supply Current | 50mA | 
                                                                            
                                            | Max Supply Current | 50mA | 
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | 
                                                                            
                                            | Clock Frequency | 16MHz | 
                                                                            
                                            | Boundary Scan | NO | 
                                                                            
                                            | Low Power Mode | NO | 
                                                                            
                                            | Data Rate (Max) | 1Mbps | 
                                                                            
                                            | Number of Serial I/Os | 4 | 
                                                                            
                                            | Data Transfer Rate-Max | 0.125 MBps | 
                                                                            
                                            | Communication Protocol | ASYNC, BIT | 
                                                                            
                                            | Data Encoding/Decoding Method | NRZ | 
                                                                            
                                            | FIFO's | 16 Byte | 
                                                                            
                                            | With Modem Control | Yes | 
                                                                            
                                            | Height | 1.6mm | 
                                                                            
                                            | Length | 12mm | 
                                                                            
                                            | Width | 12mm | 
                                                                            
                                            | Thickness | 1.4mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                            
                                            | Factory Lead Time | 6 Weeks | 
                                                                            
                                            | Lifecycle Status | ACTIVE (Last Updated: 1 week ago) | 
                                                                            
                                            | Mount | Surface Mount | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 80-LQFP | 
                                                                            
                                            | Number of Pins | 80 | 
                                                                            
                                            | Weight | 465.697616mg | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | JESD-609 Code | e4 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Number of Terminations | 80 | 
                                                                            
                                            | Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | 
                                                                            
                                            | Max Operating Temperature | 85°C | 
                                                                            
                                            | Min Operating Temperature | -40°C | 
                                                                            
                                            | HTS Code | 8542.31.00.01 | 
                                                                            
                                            | Subcategory | Serial IO/Communication Controllers | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Voltage - Supply | 3V~5.25V | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                                                    
                            
                         
                                                TL16C554APNR Overview
UART is available in the cost-effective 80-LQFP package.UART is possible to transmUART on 4, QUART channels.As for packaging, Tape & Reel (TR) is chosen.Its uPs/uCs/Peripheral ICs use SERIAL IO/COMMUNICATION CONTROLLER, SERIAL.80 terminations are used as parts of its configuration.This device is powered by a voltage of 3.3V.Currently, this electronic part is Active.As a means of transferring data, there are 4 serial I/Os.Mounting is possible through Surface Mount.UART operates on a voltage of 3V~5.25V.There are 80 pins on this electronic device.There is a 16MHz clock frequency for this IC.A series of similarities lead us to include it in the subcategory of Serial IO/Communication Controllers.In order to ensure the normal functioning of the system for long periods of time, the operating temperature should not exceed -40°C.The operating temperature should be in excess of 85°C to ensure the normal work for a long time.Initially, it will be configured with 80 pins.The mounting method is Surface Mount.Its high-efficiency operation relies on a voltage of 5V.Its base part number is TL16C554.50mA is the maximum value allowable for supply current.
TL16C554APNR Features
4 serial I/Os
Clock frequency of 16MHz
Operating supply voltage of 5V
TL16C554APNR Applications
There are a lot of Texas Instruments TL16C554APNR UARTs applications. 
- Domestic Applications
- DTE for Modem Communication Systems
- Factory Automation
- Ethernet Network to Serial Ports
- Cellular Data
- Multi-port RS-232/RS-422/RS-485 Cards
- Communications equipment
- Factory Automation and Process Controls
- Universal PCI Bus Add-in Card
- Handheld Computers