| Parameters | 
                                                                                                            
                                        | Mfr | onsemi | 
                                                                        
                                        | Series | 74AS | 
                                                                        
                                        | Package | Tube | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Type | Multiplexer | 
                                                                        
                                        | Circuit | 4 x 2:1 | 
                                                                        
                                        | Independent Circuits | 1 | 
                                                                        
                                        | Current - Output High, Low | 2mA, 20mA | 
                                                                        
                                        | Voltage Supply Source | Single Supply | 
                                                                        
                                        | Voltage - Supply | 4.5V ~ 5.5V | 
                                                                        
                                        | Operating Temperature | 0°C ~ 70°C | 
                                                                        
                                        | Mounting Type | Through Hole | 
                                                                        
                                        | Package / Case | 16-DIP (0.300", 7.62mm) | 
                                                                        
                                        | Supplier Device Package | 16-PDIP | 
                                                                        
                                        | Base Product Number | 74AS157 | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Standard Package | 25 | 
                                                                                                        
                            
                         
                                                Multiplexer 4 x 2:1 16-PDIP