| Parameters | 
                                                                                                            
                                            | Mfr | National Semiconductor | 
                                                                            
                                            | Series | 54LS | 
                                                                            
                                            | Package | Bulk | 
                                                                            
                                            | Product Status | Active | 
                                                                            
                                            | Logic Type | NOR Gate | 
                                                                            
                                            | Number of Circuits | 4 | 
                                                                            
                                            | Number of Inputs | 2 | 
                                                                            
                                            | Features | Open Collector | 
                                                                            
                                            | Voltage - Supply | 4.5V ~ 5.5V | 
                                                                            
                                            | Current - Quiescent (Max) | 13.8 mA | 
                                                                            
                                            | Current - Output High, Low | 100µA, 12mA | 
                                                                            
                                            | Input Logic Level - Low | 0.7V | 
                                                                            
                                            | Input Logic Level - High | 2V | 
                                                                            
                                            | Max Propagation Delay @ V, Max CL | 22ns @ 5V, 15pF | 
                                                                            
                                            | Operating Temperature | -55°C ~ 125°C | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Supplier Device Package | 14-CFP | 
                                                                            
                                            | Package / Case | 14-CFlatpack | 
                                                                            
                                            | Base Product Number | 54LS33 | 
                                                                            
                                            | RoHS Status | Not applicable | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | REACH Status | Vendor Undefined | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Standard Package | 1 | 
                                                                                                    
                            
                         
                                                NOR Gate IC 4 Channel Open Collector 14-CFP