| Packaging | Tube | |
| Type | Clock/Calendar | |
| Features | Leap Year | |
| Memory Size | - | |
| Time Format | HH:MM:SS (12/24 hr) | |
| Date Format | YY-MM-DD-dd | |
| Interface | Parallel | |
| Voltage - Supply | 4.5 V ~ 5.5 V | |
| Voltage - Supply, Battery | - | |
| Current - Timekeeping (Max) | 5µA ~ 10µA @ 2V ~ 5V | |
| Operating Temperature | -10°C ~ 70°C | |
| Mounting Type | Through Hole | |
| Package / Case | 18-DIP (0.300", 7.62mm) | |
| Supplier Device Package | 18-DIP | |
| Other Names | RTC72421A SE3231 | |
| call me | [email protected] | |

IC RTC CLK/CALENDAR PAR 18-DIP

IC RTC CLK/CALENDAR PAR 18-DIP

IC RTC CLK/CALENDAR PAR 18-DIP

IC RTC CLK/CALENDAR PAR 24-SOP

IC RTC CLK/CALENDAR PAR 24-SOP

IC RTC CLK/CALENDAR PAR 24-DIP

IC RTC CLK/CALENDAR PAR 28-PLCC

IC RTC CLK/CALENDAR PAR 24-SOIC

IC RTC CLK/CALENDAR PAR 18-DIP

IC RTC CLK/CALENDAR PAR 28-PLCC

IC RTC CLK/CALENDAR SER 14-SOIC

IC RTC CLK/CALENDAR SER 14-SOIC