| Parameters | 
                                                                                                                        
                                                | Mfr | STMicroelectronics | 
                                                                                    
                                                | Series | Timekeeper® | 
                                                                                    
                                                | Package | Tube | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Conevo-Key Programmable | Not Verified | 
                                                                                    
                                                | Type | Clock/Calendar | 
                                                                                    
                                                | Features | Leap Year | 
                                                                                    
                                                | Memory Size | - | 
                                                                                    
                                                | Time Format | HH:MM:SS (24 hr) | 
                                                                                    
                                                | Date Format | YY-MM-DD-dd | 
                                                                                    
                                                | Interface | Parallel | 
                                                                                    
                                                | Voltage - Supply | 4.5V ~ 5.5V | 
                                                                                    
                                                | Voltage - Supply, Battery | - | 
                                                                                    
                                                | Current - Timekeeping (Max) | 2mA @ 4.75V ~ 5.5V | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | 
                                                                                    
                                                | Supplier Device Package | 28-SOH | 
                                                                                    
                                                | Base Product Number | M48T35 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.39.0001 | 
                                                                                    
                                                | Standard Package | 28 | 
                                                                                                                
                                
                             
                                                Real Time Clock (RTC) IC Clock/Calendar Parallel 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets