| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            68-LCC (J-Lead) | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            68-PLCC (24.23x24.23) | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Series | 
                                            74ACT | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            4.5V~5.5V | 
                                        
                                                                            
                                            | Function | 
                                            Synchronous | 
                                        
                                                                            
                                            | Current - Supply (Max) | 
                                            400μA | 
                                        
                                                                            
                                            | Memory Size | 
                                            18K 1K x 18 | 
                                        
                                                                            
                                            | Access Time | 
                                            13ns | 
                                        
                                                                            
                                            | Data Rate | 
                                            50MHz | 
                                        
                                                                            
                                            | Bus Directional | 
                                            Uni-Directional | 
                                        
                                                                            
                                            | Retransmit Capability | 
                                            No | 
                                        
                                                                            
                                            | FWFT Support | 
                                            No | 
                                        
                                                                            
                                            | Programmable Flags Support | 
                                            Yes | 
                                        
                                                                            
                                            | Expansion Type | 
                                            Depth, Width | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                SN74ACT7881-20FN Overview
68-LCC (J-Lead)  is a package that contains FIFO memory chip.There's a Tube on the package.Apps and data can be stored in the 18K 1K x 18 memory of the FIFO chip.Keeping the temperature at 0°C~70°C will ensure reliable operation.The mounting type of the FIFO memory is Surface Mount .It uses a supply voltage of 4.5V~5.5V  to operate.The 74ACT series contains this memory logic.It has a maximum operating supply current of 400μA .
SN74ACT7881-20FN Features
18K 1K x 18 memory size
74ACT series
SN74ACT7881-20FN Applications
There are a lot of Rochester Electronics, LLC SN74ACT7881-20FN  FIFOs Memory applications. 
- Look-up Tables
 - Industrial Systems
 - Emulators
 - Product traceability
 - Communications
 - A/D output buffers
 - Computer networks
 - SPD for DDR3 Memory Modules
 - Video
 - TVs