| Parameters | 
                                                                                                            
                                        | Mfr | onsemi | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Tube | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Memory Type | Volatile | 
                                                                        
                                        | Memory Format | RAM | 
                                                                        
                                        | Technology | RAM | 
                                                                        
                                        | Memory Size | 64bit | 
                                                                        
                                        | Memory Organization | 16 x 4 | 
                                                                        
                                        | Memory Interface | Parallel | 
                                                                        
                                        | Write Cycle Time - Word, Page | - | 
                                                                        
                                        | Access Time | 280 ns | 
                                                                        
                                        | Voltage - Supply | 3V ~ 15V | 
                                                                        
                                        | Operating Temperature | -55°C ~ 125°C (TA) | 
                                                                        
                                        | Mounting Type | Through Hole | 
                                                                        
                                        | Package / Case | 16-DIP (0.300", 7.62mm) | 
                                                                        
                                        | Supplier Device Package | 16-PDIP | 
                                                                        
                                        | Base Product Number | MM74C89 | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | 3A001A2C | 
                                                                        
                                        | HTSUS | 8542.39.0001 | 
                                                                        
                                        | Standard Package | 25 | 
                                                                                                        
                            
                         
                                                RAM Memory IC 64bit Parallel 280 ns 16-PDIP