| Parameters | 
                                                                                                            
                                            | Package / Case | PDIP | 
                                                                            
                                            | Surface Mount | NO | 
                                                                            
                                            | Number of Pins | 28 | 
                                                                            
                                            | JESD-609 Code | e2 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Number of Terminations | 28 | 
                                                                            
                                            | Terminal Finish | Tin/Silver (Sn/Ag) | 
                                                                            
                                            | HTS Code | 8542.31.00.01 | 
                                                                            
                                            | Subcategory | Serial IO/Communication Controllers | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | DUAL | 
                                                                            
                                            | Terminal Form | THROUGH-HOLE | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | NOT SPECIFIED | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Terminal Pitch | 2.54mm | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 
                                                                            
                                            | Pin Count | 28 | 
                                                                            
                                            | Qualification Status | Not Qualified | 
                                                                            
                                            | Operating Temperature (Max) | 70°C | 
                                                                            
                                            | Supply Voltage-Max (Vsup) | 5.25V | 
                                                                            
                                            | Power Supplies | 5V | 
                                                                            
                                            | Temperature Grade | COMMERCIAL | 
                                                                            
                                            | Supply Voltage-Min (Vsup) | 4.75V | 
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | SERIAL IO/COMMUNICATION CONTROLLER, SERIAL | 
                                                                            
                                            | Clock Frequency | 4MHz | 
                                                                            
                                            | Data Rate | 115 kbps | 
                                                                            
                                            | Address Bus Width | 4 | 
                                                                            
                                            | Boundary Scan | NO | 
                                                                            
                                            | Low Power Mode | NO | 
                                                                            
                                            | External Data Bus Width | 8 | 
                                                                            
                                            | Number of Serial I/Os | 2 | 
                                                                            
                                            | Data Transfer Rate-Max | 0.125 MBps | 
                                                                            
                                            | Communication Protocol | ASYNC, BIT | 
                                                                            
                                            | Data Encoding/Decoding Method | NRZ | 
                                                                            
                                            | Height Seated (Max) | 5.1mm | 
                                                                            
                                            | Length | 35.5mm | 
                                                                            
                                            | Width | 15.24mm | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                                                    
                            
                         
                                                SCC2681AC1N28 Overview
The package PDIP offers the best value.As its uP/uC/Peripheral ICs type, SERIAL IO/COMMUNICATION CONTROLLER, SERIAL is used.A configuration of 28 terminations is used.For its operation, a voltage of 5V is provided as the supply voltage.As a way to communicate data, the board has 2 serial I/Os.Electronic devices such as this are known as 28-pin integrated circuits.This IC measures its clock frequency at 4MHz.Due to a series of similarities, it is included into the subcategory of Serial IO/Communication Controllers.As its configuration basis, the 28 pins are used.Temperatures as high as 70°C can be reached by the device.With power supplies of 5V, electronic designers can use it reliably and efficiently.By maintaining a voltage lower than 5.25V, normal operation can be assured.A supply voltage greater than 4.75V ensures normal operation.
SCC2681AC1N28 Features
2 serial I/Os
Clock frequency of 4MHz
Power supplies of 5V
SCC2681AC1N28 Applications
There are a lot of NXP Semiconductors / Freescale SCC2681AC1N28 UARTs applications. 
- Universal PCI Bus Add-in Card
- Portable and battery operated devices
- Portable Applications
- Domestic Applications
- GPS Devices
- Factory Automation
- Remote Access Servers
- Point-of- Sale Terminals
- Ethernet Network Routers
- Telecommunication Network Routers