Functions:
                                    
                                    
                                        Alarm, NV SRAM, Watchdog Timer, Y2K
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Dimensions:
                                    
                                    
                                        44.2 x 18.8 x 10.92mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Mounting Type:
                                    
                                    
                                        Through Hole
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Minimum Operating Temperature:
                                    
                                    
                                        0 °C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Minimum Operating Supply Voltage:
                                    
                                    
                                        -0.3 V, 2.2 V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Date Format:
                                    
                                    
                                        YY:MM:DD
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Height:
                                    
                                    
                                        10.92mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Width:
                                    
                                    
                                        18.8mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Length:
                                    
                                    
                                        44.2mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package Type:
                                    
                                    
                                        EDIP
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Bus Type:
                                    
                                    
                                        Parallel
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Time Format:
                                    
                                    
                                        HH:MM:SS
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Operating Supply Voltage:
                                    
                                    
                                        0.8 V, 5.3 V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Operating Temperature:
                                    
                                    
                                        +70 °C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Pin Count:
                                    
                                    
                                        32
                                    
                                                                                                        
                                                                                                                                                                            
                                    
                                                                                                                
                                    
                                        HTSUS:
                                    
                                    
                                        8542.39.0001
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        RoHS Status:
                                    
                                    
                                        ROHS3 Compliant
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Current - Timekeeping (Max):
                                    
                                    
                                        6mA @ 5V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Operating Temperature:
                                    
                                    
                                        0°C ~ 70°C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Memory Size:
                                    
                                    
                                        128KB
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package / Case:
                                    
                                    
                                        32-DIP Module (0.600", 15.24mm)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Type:
                                    
                                    
                                        Clock/Calendar
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        REACH Status:
                                    
                                    
                                        REACH Affected
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Date Format:
                                    
                                    
                                        YY-MM-DD-dd
                                    
                                                                                                                                                                                    
                                                                                                                
                                    
                                                                                                                
                                    
                                        Time Format:
                                    
                                    
                                        HH:MM:SS (24 hr)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Interface:
                                    
                                    
                                        Parallel
                                    
                                                                                                        
                                                                                                                
                                                                                                                
                                    
                                                                                                                
                                    
                                        Package:
                                    
                                    
                                        Tube
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Moisture Sensitivity Level (MSL):
                                    
                                    
                                        1  (Unlimited)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Voltage - Supply, Battery:
                                    
                                    
                                        -
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        standardLeadTime:
                                    
                                    
                                        52 Weeks
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Features:
                                    
                                    
                                        Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Mounting Type:
                                    
                                    
                                        Through Hole
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Series:
                                    
                                    
                                        -
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Supplier Device Package:
                                    
                                    
                                        32-EDIP
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Voltage - Supply:
                                    
                                    
                                        4.5V ~ 5.5V
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Base Product Number:
                                    
                                    
                                        DS1556
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        ECCN:
                                    
                                    
                                        EAR99