| Parameters | 
                                                                                                                        
                                                | Mfr | Analog Devices Inc./Maxim Integrated | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Conevo-Key Programmable | Not Verified | 
                                                                                    
                                                | Type | Clock/Calendar | 
                                                                                    
                                                | Features | Alarm, NVSRAM, Square Wave Output, Y2K | 
                                                                                    
                                                | Memory Size | 242B | 
                                                                                    
                                                | Time Format | HH:MM:SS (12/24 hr) | 
                                                                                    
                                                | Date Format | YY-MM-DD-dd | 
                                                                                    
                                                | Interface | Parallel | 
                                                                                    
                                                | Voltage - Supply | 2.7V ~ 3.7V | 
                                                                                    
                                                | Voltage - Supply, Battery | 2.5V ~ 3.7V | 
                                                                                    
                                                | Current - Timekeeping (Max) | 2mA @ 3V | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 
                                                                                    
                                                | Supplier Device Package | 24-TSSOP | 
                                                                                    
                                                | Base Product Number | DS1685 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 1,000 | 
                                                                                                                
                                
                             
                                                Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-TSSOP (0.173", 4.40mm Width)