| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            80-LQFP | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tray | 
                                        
                                                                            
                                            | Series | 
                                            74ABT | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            no | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            80 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            NICKEL PALLADIUM GOLD | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.32.00.71 | 
                                        
                                                                            
                                            | Technology | 
                                            BICMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            4.5V~5.5V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            220 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.5mm | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-PQFP-G80 | 
                                        
                                                                            
                                            | Function | 
                                            Synchronous | 
                                        
                                                                            
                                            | Current - Supply (Max) | 
                                            95mA | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            5.5V | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            4.5V | 
                                        
                                                                            
                                            | Memory Size | 
                                            18K 512 x 18 x 2 | 
                                        
                                                                            
                                            | Access Time | 
                                            12ns | 
                                        
                                                                            
                                            | Data Rate | 
                                            50MHz | 
                                        
                                                                            
                                            | Organization | 
                                            512X18 | 
                                        
                                                                            
                                            | Memory Width | 
                                            18 | 
                                        
                                                                            
                                            | Memory Density | 
                                            9216 bit | 
                                        
                                                                            
                                            | Parallel/Serial | 
                                            PARALLEL | 
                                        
                                                                            
                                            | Bus Directional | 
                                            Bi-Directional | 
                                        
                                                                            
                                            | Retransmit Capability | 
                                            No | 
                                        
                                                                            
                                            | Programmable Flags Support | 
                                            Yes | 
                                        
                                                                            
                                            | Output Enable | 
                                            YES | 
                                        
                                                                            
                                            | Cycle Time | 
                                            20 ns | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            1.6mm | 
                                        
                                                                            
                                            | Length | 
                                            12mm | 
                                        
                                                                            
                                            | Width | 
                                            12mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                SN74ABT7819-20PN Overview
You can find FIFO memory chip in package 80-LQFP .In the shape of a Tray , it's packaged.The FIFO chips have a memory of 18K 512 x 18 x 2  that can be used to store applications and data.To ensure reliable operation, the temperature should be regulated to 0°C~70°C .It is a Surface Mount mounting type FIFO memory.Powered by a voltage of 4.5V~5.5V , it operates on a low supply voltage.A component in the 74ABT series, this is an memory logic.95mA is memory IC's maximum operating supply current.High efficiency is possible with a supply voltage of 5V .80 terminations are contained in FIFO means.As a result, Vsup is set at  5.5V  (FIFO memory IC's maximum voltage supply).Maintain the supply voltage (Vsup) above 4.5V for normal operation.
SN74ABT7819-20PN Features
18K 512 x 18 x 2 memory size
74ABT series
SN74ABT7819-20PN Applications
There are a lot of Rochester Electronics, LLC SN74ABT7819-20PN  FIFOs Memory applications. 
- Video
 - Laser Receiver System
 - Character generators
 - SPI Bus Flash Memory Device
 - Buses 
 - Computer networks
 - Code converters
 - One assembly 
 - Test Equipment
 - Routers