| Parameters | 
                                
                                                                                                            
                                            | 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) | 
                                            3.1mm | 
                                        
                                                                            
                                            | Length | 
                                            20mm | 
                                        
                                                                            
                                            | Width | 
                                            14mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            80-BQFP | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tray | 
                                        
                                                                            
                                            | Series | 
                                            74ABT | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            no | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            80 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | 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 | 
                                            0.8mm | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-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 | 
                                        
                                                                                                    
                            
                         
                                                SN74ABT7819-20PH Overview
FIFO memory chip can be found in the 80-BQFP package.There's a Tray on the package.In addition, the FIFO chip has a memory capacity of 18K 512 x 18 x 2 , which can be used to store applications and data.Regulating the temperature to 0°C~70°C ensures reliable operation.It is a Surface Mount mounting type FIFO memory.Operating voltage is 4.5V~5.5V .This memory logic is part of the 74ABT  series.A FIFO's maximum operating supply current of 95mA is available.With a supply voltage of 5V  volts, high efficiency is possible.FIFO consists of 80 terminations, which indicates that FIFO means is empty.There is a FIFO memory IC's maximum supply voltage of  5.5V  (Vsup).In order to ensure normal operation, the supply voltage (Vsup) should be kept above 4.5V .
SN74ABT7819-20PH Features
18K 512 x 18 x 2 memory size
74ABT series
SN74ABT7819-20PH Applications
There are a lot of Rochester Electronics, LLC SN74ABT7819-20PH  FIFOs Memory applications. 
- Portable Information Devices
 - Video
 - Signal processing
 - Tape controllers
 - Consumer Systems
 - Medical Monitoring Device
 - Disk Controllers
 - IP Camera Buffer
 - Analog-to-digital converters
 - Multimedia