| Parameters | 
                                                                                                                        
                                                | Mfr | Fairchild Semiconductor | 
                                                                                    
                                                | Series | 74ALS | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Logic Type | Transceiver, Non-Inverting | 
                                                                                    
                                                | Number of Elements | 1 | 
                                                                                    
                                                | Number of Bits per Element | 8 | 
                                                                                    
                                                | Input Type | - | 
                                                                                    
                                                | Output Type | 3-State | 
                                                                                    
                                                | Current - Output High, Low | 15mA, 24mA | 
                                                                                    
                                                | Voltage - Supply | 4.5V ~ 5.5V | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 20-SOIC (0.295", 7.50mm Width) | 
                                                                                    
                                                | Supplier Device Package | 20-SOIC | 
                                                                                    
                                                | Base Product Number | 74ALS645 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1,000 | 
                                                                                                                
                                
                             
                                                Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC