| Parameters | 
                                                                                                            
                                            | Mfr | Analog Devices Inc./Maxim Integrated | 
                                                                            
                                            | Series | - | 
                                                                            
                                            | Package | Tape & Reel (TR) | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Digi-Key Programmable | Not Verified | 
                                                                            
                                            | Type | Clock/Calendar | 
                                                                            
                                            | Features | Leap Year, NVSRAM, Trickle-Charger | 
                                                                            
                                            | Memory Size | 31B | 
                                                                            
                                            | Time Format | HH:MM:SS (12/24 hr) | 
                                                                            
                                            | Date Format | YY-MM-DD-dd | 
                                                                            
                                            | Interface | 3-Wire Serial | 
                                                                            
                                            | Voltage - Supply | 2V ~ 5.5V | 
                                                                            
                                            | Voltage - Supply, Battery | 2V ~ 5.5V | 
                                                                            
                                            | Current - Timekeeping (Max) | 0.3µA ~ 1µA @ 2V ~ 5V | 
                                                                            
                                            | Operating Temperature | 0°C ~ 70°C | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 8-SOIC (0.154", 3.90mm Width) | 
                                                                            
                                            | Supplier Device Package | 8-SOIC | 
                                                                            
                                            | Base Product Number | DS1302 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8542.39.0001 | 
                                                                            
                                            | Other Names | 90-1302Z+C07 | 
                                                                            
                                            | Standard Package | 2,500 | 
                                                                                                    
                            
                         
                                                Real Time Clock (RTC) IC Clock/Calendar 31B 3-Wire Serial 8-SOIC (0.154", 3.90mm Width)