| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Analog Devices Inc./Maxim Integrated | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tape & Reel (TR) | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Conevo-Key Programmable | 
                                                Not Verified | 
                                            
                                                                                    
                                                | Type | 
                                                Portable System Controller | 
                                            
                                                                                    
                                                | Features | 
                                                Alarm, Leap Year, Watchdog Timer | 
                                            
                                                                                    
                                                | Memory Size | 
                                                - | 
                                            
                                                                                    
                                                | Time Format | 
                                                HH:MM:SS (12/24 hr) | 
                                            
                                                                                    
                                                | Date Format | 
                                                YY-MM-DD-dd | 
                                            
                                                                                    
                                                | Interface | 
                                                3-Wire Serial | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                2.97V ~ 3.63V | 
                                            
                                                                                    
                                                | Voltage - Supply, Battery | 
                                                2.5V ~ 3.7V | 
                                            
                                                                                    
                                                | Current - Timekeeping (Max) | 
                                                100µA @ 3.3V | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                0°C ~ 70°C | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                20-TSSOP (0.173", 4.40mm Width) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                20-TSSOP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                DS1670 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                RoHS non-compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                1  (Unlimited) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                2,500 | 
                                            
                                                                                                                
                                
                             
                                                Real Time Clock (RTC) IC Portable System Controller 3-Wire Serial 20-TSSOP (0.173", 4.40mm Width)