| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Bulk | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            no | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            32 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            TIN LEAD | 
                                        
                                                                            
                                            | Technology | 
                                            CMOS | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            J BEND | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PQCC-J32 | 
                                        
                                                                            
                                            | Function | 
                                            Synchronous | 
                                        
                                                                            
                                            | Qualification Status | 
                                            COMMERCIAL | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            5.5V | 
                                        
                                                                            
                                            | Supply Voltage-Min (Vsup) | 
                                            4.5V | 
                                        
                                                                            
                                            | Memory Size | 
                                            4.5K 512 x 9 | 
                                        
                                                                            
                                            | Access Time | 
                                            20ns | 
                                        
                                                                            
                                            | Organization | 
                                            512X9 | 
                                        
                                                                            
                                            | Memory Width | 
                                            9 | 
                                        
                                                                            
                                            | Memory Density | 
                                            4608 bit | 
                                        
                                                                            
                                            | Parallel/Serial | 
                                            PARALLEL | 
                                        
                                                                            
                                            | Retransmit Capability | 
                                            No | 
                                        
                                                                            
                                            | Programmable Flags Support | 
                                            Yes | 
                                        
                                                                            
                                            | Output Enable | 
                                            YES | 
                                        
                                                                            
                                            | Cycle Time | 
                                            35 ns | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                QS72211-35JR Overview
It's packaged in the shape of a Bulk .In addition, the FIFO chip has a memory capacity of 4.5K 512 x 9 , which can be used to store applications and data.Keeping the temperature at 0°C~70°C will ensure reliable operation.This FIFO memory has a mounting type of Surface Mount .A supply voltage of 5V  is capable of producing high efficiency.As a result of this, FIFO means contains 32  terminations.The FIFO memory IC's maximum supply voltage is set to  5.5V .Ideally, the supply voltage (Vsup) should stay above 4.5V .
QS72211-35JR Features
4.5K 512 x 9 memory size
QS72211-35JR Applications
There are a lot of Rochester Electronics, LLC QS72211-35JR  FIFOs Memory applications. 
- Microprogramming
 - One assembly 
 - TVs
 - Fabrication Site
 - Digital buffering
 - Test site
 - Look-up Tables
 - Measurement Equipment
 - Firmware loaders
 - Test Equipment