| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            56-BSSOP (0.295, 7.50mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Series | 
                                            74ALVC | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            56 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            NICKEL PALLADIUM GOLD | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            3V~3.6V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            3.3V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.635mm | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G56 | 
                                        
                                                                            
                                            | Function | 
                                            Synchronous | 
                                        
                                                                            
                                            | Current - Supply (Max) | 
                                            40μA | 
                                        
                                                                            
                                            | Qualification Status | 
                                            COMMERCIAL | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            3.6V | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            3.3V | 
                                        
                                                                            
                                            | Memory Size | 
                                            9K 512 x 18 | 
                                        
                                                                            
                                            | Access Time | 
                                            20ns | 
                                        
                                                                            
                                            | Data Rate | 
                                            25MHz | 
                                        
                                                                            
                                            | Organization | 
                                            512X18 | 
                                        
                                                                            
                                            | Memory Width | 
                                            18 | 
                                        
                                                                            
                                            | Memory Density | 
                                            9216 bit | 
                                        
                                                                            
                                            | Parallel/Serial | 
                                            PARALLEL | 
                                        
                                                                            
                                            | Bus Directional | 
                                            Uni-Directional | 
                                        
                                                                            
                                            | Retransmit Capability | 
                                            No | 
                                        
                                                                            
                                            | Programmable Flags Support | 
                                            Yes | 
                                        
                                                                            
                                            | Output Enable | 
                                            YES | 
                                        
                                                                            
                                            | Expansion Type | 
                                            Width | 
                                        
                                                                            
                                            | Cycle Time | 
                                            40 ns | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            2.79mm | 
                                        
                                                                            
                                            | Length | 
                                            18.415mm | 
                                        
                                                                            
                                            | Width | 
                                            7.5mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                SN74ALVC7803-40DL Overview
FIFO memory chip is included in the 56-BSSOP (0.295, 7.50mm Width) package.It's packaged in the shape of a Tube .There is a 9K 512 x 18 MB memory on the FIFO chips, which can be used to store both applications and data.It is recommended that the temperature be kept at 0°C~70°C to ensure reliable operation.Mounting type Surface Mount is assigned to the FIFO memory.For operation, a voltage of 3V~3.6V is used.It is part of the 74ALVC series of memory logics.It has a maximum operating supply current of 40μA .A supply voltage of 3.3V  allows for high efficiency.FIFO means contains 56  terminations.There is a FIFO memory IC's maximum supply voltage of 3.6V .A voltage above 3.3V is necessary for normal operation.
SN74ALVC7803-40DL Features
9K 512 x 18 memory size
74ALVC series
SN74ALVC7803-40DL Applications
There are a lot of Rochester Electronics, LLC SN74ALVC7803-40DL  FIFOs Memory applications. 
- Queues for communication systems
 - Industrial Systems
 - GPS Offender Tracking
 - Signal processing
 - Multi-stage synchronizer
 - Computer Systems
 - Down-Hole Energy Drilling
 - Seismic Data Collection at Extreme Temperatures
 - Alarm System
 - Telecommunication