| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            24-SOIC (0.295, 7.50mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Series | 
                                            74ALS | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e4 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            yes | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            24 | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            NICKEL PALLADIUM GOLD | 
                                        
                                                                            
                                            | Additional Feature | 
                                            DUAL MEMORY FOR MULTIBUS ARCHITECTURE | 
                                        
                                                                            
                                            | Technology | 
                                            TTL | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            4.5V~5.5V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            260 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            5V | 
                                        
                                                                            
                                            | Reach Compliance Code | 
                                            unknown | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Function | 
                                            Universal | 
                                        
                                                                            
                                            | Qualification Status | 
                                            COMMERCIAL | 
                                        
                                                                            
                                            | Output Type | 
                                            Tri-State | 
                                        
                                                                            
                                            | Number of Elements | 
                                            2 | 
                                        
                                                                            
                                            | Supply Voltage-Max (Vsup) | 
                                            5.5V | 
                                        
                                                                            
                                            | Operating Mode | 
                                            ASYNCHRONOUS | 
                                        
                                                                            
                                            | Logic Type | 
                                            Register File | 
                                        
                                                                            
                                            | Memory Width | 
                                            4 | 
                                        
                                                                            
                                            | Number of Bits per Element | 
                                            4 | 
                                        
                                                                            
                                            | Access Time (Max) | 
                                            17 ns | 
                                        
                                                                            
                                            | Parallel/Serial | 
                                            PARALLEL | 
                                        
                                                                            
                                            | Memory IC Type | 
                                            STANDARD SRAM | 
                                        
                                                                            
                                            | Width | 
                                            7.5mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                SN74ALS870DWR Overview
In package 24-SOIC (0.295, 7.50mm Width), there is an embedded device. 24 is the total number of terminations on the chip. It is packed in a case number Tape & Reel (TR). 5V is the part's operating supply voltage. A total of 2 elements are present on this part. The component is positioned in the way of Surface Mount. 0°C~70°C is the range of operating temperatures for the device. There is a votage of 4.5V~5.5V provided with it. The 74ALS series contains this electrical component. The following additional elements are important to note: DUAL MEMORY FOR MULTIBUS ARCHITECTURE. A maximum supply voltage (Vsup) of 5.5V may be applied to this part. 
SN74ALS870DWR Features
Mounted in Surface Mount type.
SN74ALS870DWR Applications
There are a lot of Rochester Electronics, LLC SN74ALS870DWR Shift Registers applications. 
- Sequence generator
 - Pseudo Random Pattern Generator
 - 8-bit data storage
 - Cache memory in CPU
 - Serial to parallel converter
 - Remote control holding register
 - Interconnectors
 - Pattern Recognizers
 - Data Format Converters
 - Dual-rank shift, hold, and bus applications