| Type | Description | 
|---|---|
| Series: | - | 
| Package: | Tube | 
| Part Status: | Obsolete | 
| Type: | Clock/Calendar | 
| Features: | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 
| Memory Size: | 114B | 
| Time Format: | HH:MM:SS (12/24 hr) | 
| Date Format: | YY-MM-DD-dd | 
| Interface: | Parallel | 
| Voltage - Supply: | 4.5V ~ 5.5V | 
| Voltage - Supply, Battery: | 2.5V ~ 4V | 
| Current - Timekeeping (Max): | 15mA @ 4.5V ~ 5.5V | 
| Operating Temperature: | 0°C ~ 70°C | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 24-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package: | 24-SOIC | 
| Image | Part Number | Description | Stock / Unit Price | 
|---|---|---|---|
![]()  | 
                                
                                    RV-3149-C3-32.768KHZ-OPTION-B-TA-QCMicro Crystal | 
                                
                                     IC RTC CLK/CALENDAR SPI 10-SON  | 
                                
                                     In Stock: 1,820 $3.34000  | 
                            
![]()  | 
                                
                                    RX-4581NB:B ROHSEpson | 
                                
                                     IC RTC CLK/CALENDAR SPI 22-SON  | 
                                
                                     In Stock: 0 $3.63790  | 
                            
![]()  | 
                                
                                    RX-4801SA:UB PURE SNEpson | 
                                
                                     IC REAL TIME CLOCK/CALENDAR  | 
                                
                                     In Stock: 0 $4.92450  | 
                            
![]()  | 
                                
                                    PCF2123TS/1,118NXP Semiconductors | 
                                
                                     IC RTC CLK/CALENDAR SPI 14-TSSOP  | 
                                
                                     In Stock: 400 $1.26000  | 
                            
![]()  | 
                                
                                    DS3234SN#T&RMaxim Integrated | 
                                
                                     IC RTC CLK/CALENDAR SPI 20-SOIC  | 
                                
                                     In Stock: 3,291 $8.52000  | 
                            
![]()  | 
                                
                                    RV-8564-C3-32.768KHZ-20PPM-TA-QCMicro Crystal | 
                                
                                     IC RTC CLK/CALENDAR I2C 10-SON  | 
                                
                                     In Stock: 2,850 $3.28000  | 
                            
![]()  | 
                                
                                    RV-8564-C2-32.768KHZ-10PPM-TA-QCMicro Crystal | 
                                
                                     IC RTC CLK/CALENDAR I2C 10-SON  | 
                                
                                     In Stock: 0 $2.51250  | 
                            
![]()  | 
                                
                                    M41T94MQ6FSTMicroelectronics | 
                                
                                     IC RTC CLK/CALENDAR SPI 16-SOIC  | 
                                
                                     In Stock: 4,975 $3.95000  | 
                            
![]()  | 
                                
                                    DS1501YEN+Linear Technology (Analog Devices, Inc.) | 
                                
                                     Y2K-COMPLIANT WATCHDOG REAL-TIME  | 
                                
                                     In Stock: 1,621 $7.69000  | 
                            
![]()  | 
                                
                                    DS1687-3+Maxim Integrated | 
                                
                                     IC RTC CLK/CALENDAR PAR 24-EDIP  | 
                                
                                     In Stock: 3,391,644 $13.66000  |