| Parameters | 
                                
                                                                                                            
                                            | Contact Plating | 
                                            Gold | 
                                        
                                                                            
                                            | Mount | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            DIP | 
                                        
                                                                            
                                            | Number of Pins | 
                                            20 | 
                                        
                                                                            
                                            | Published | 
                                            2013 | 
                                        
                                                                            
                                            | Max Operating Temperature | 
                                            125°C | 
                                        
                                                                            
                                            | Min Operating Temperature | 
                                            -40°C | 
                                        
                                                                            
                                            | Operating Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Polarity | 
                                            Inverting | 
                                        
                                                                            
                                            | Max Supply Voltage | 
                                            5.5V | 
                                        
                                                                            
                                            | Min Supply Voltage | 
                                            4.5V | 
                                        
                                                                            
                                            | Number of Bits | 
                                            8 | 
                                        
                                                                            
                                            | Propagation Delay | 
                                            51 ns | 
                                        
                                                                            
                                            | Quiescent Current | 
                                            8μA | 
                                        
                                                                            
                                            | Logic IC Type | 
                                            IDENTITY COMPARATOR | 
                                        
                                                                            
                                            | Number of Gates | 
                                            1 | 
                                        
                                                                            
                                            | High Level Output Current | 
                                            -4mA | 
                                        
                                                                            
                                            | Low Level Output Current | 
                                            4mA | 
                                        
                                                                            
                                            | Capacitance - Input | 
                                            3.5pF | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | REACH SVHC | 
                                            No SVHC | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                            
                                            | Lead Free | 
                                            Lead Free | 
                                        
                                                                                                    
                            
                         
                                                74HCT688N Overview
A convenient transport package is provided in DIP .The comparator has a pin count of 20 .This comparator presents a quiescent current of 8μA .There is a Through Hole on the board for mounting to a PCB or other board.Comparator electronics is not recommended to operate the system at a temperature above 125°C .Comparator electronics cannot be operated at a temperature lower than -40°C .Compatibility is defined as 5.5V when the comparator is operating at its maximum supply voltage.A minimum supply voltage of 4.5V is allowed for this comparator.A normal operation requires a voltage of 5V .
74HCT688N Features
Quiescent Current: 8μA
74HCT688N Applications
There are a lot of Nexperia 74HCT688N linear comparators  applications. 
- Mobile Communications
 - Battery management and protection
 - Mobile Phones and Tablets
 - Notebooks and PDAs 
 - RC Timers
 - Portable Battery Monitoring
 - Automotive
 - High-Speed Differential Line Receiver
 - Consumer Medical Electronics
 - General-Purpose Portable Devices