| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            64-QFP | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Bulk | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            no | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            64 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            TIN LEAD | 
                                        
                                                                            
                                            | Additional Feature | 
                                            RETRANSMIT | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-PQFP-G64 | 
                                        
                                                                            
                                            | Function | 
                                            Synchronous | 
                                        
                                                                            
                                            | Qualification Status | 
                                            COMMERCIAL | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            5.5V | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            4.5V | 
                                        
                                                                            
                                            | Memory Size | 
                                            18K 1K x 18 | 
                                        
                                                                            
                                            | Access Time | 
                                            20ns | 
                                        
                                                                            
                                            | Organization | 
                                            1KX18 | 
                                        
                                                                            
                                            | Memory Width | 
                                            18 | 
                                        
                                                                            
                                            | Memory Density | 
                                            18432 bit | 
                                        
                                                                            
                                            | Parallel/Serial | 
                                            PARALLEL | 
                                        
                                                                            
                                            | Retransmit Capability | 
                                            No | 
                                        
                                                                            
                                            | Programmable Flags Support | 
                                            Yes | 
                                        
                                                                            
                                            | Output Enable | 
                                            YES | 
                                        
                                                                            
                                            | Cycle Time | 
                                            35 ns | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                QS72225-35TF Overview
You can find FIFO memory chip in package 64-QFP .In this case, it is packaged in case number Bulk .A memory of 18K 1K x 18 is available for storing applications and data on this FIFO chip.To ensure reliable operation, the temperature should be regulated to 0°C~70°C .This FIFO memory has a mounting type of Surface Mount .When the supply voltage is 5V , high efficiency is possible.64 terminations are contained in FIFO means.It is also possible to generate RETRANSMIT by using this FIFO memory.There is a FIFO memory IC's maximum supply voltage of 5.5V .In order to ensure normal operation, the supply voltage (Vsup) should be kept above 4.5V .
QS72225-35TF Features
18K 1K x 18 memory size
QS72225-35TF Applications
There are a lot of Rochester Electronics, LLC QS72225-35TF  FIFOs Memory applications. 
- Medical Monitoring Device
 - SPI Bus Flash Memory Devices
 - Disk Controllers
 - Analog-to-digital converters
 - Desktop Computers
 - Switches
 - Rate buffers
 - Extended product life cycle
 - Portable Information Devices
 - Video