| Parameters | 
                                                                                                            
                                            | Mfr | Texas Instruments | 
                                                                            
                                            | Series | 74ABT | 
                                                                            
                                            | Package | Tube | 
                                                                            
                                            | Product Status | Active | 
                                                                            
                                            | Logic Type | Scan Test Device with Inverting Bus Transceivers | 
                                                                            
                                            | Supply Voltage | 4.5V ~ 5.5V | 
                                                                            
                                            | Number of Bits | 18 | 
                                                                            
                                            | Operating Temperature | -40°C ~ 85°C | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 56-BSSOP (0.295", 7.50mm Width) | 
                                                                            
                                            | Supplier Device Package | 56-SSOP | 
                                                                            
                                            | Base Product Number | 74ABT18640 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Standard Package | 20 | 
                                                                                                    
                            
                         
                                                Scan Test Device with Inverting Bus Transceivers IC 56-SSOP