| Packaging | Tube | |
| Type | Clock/Calendar | |
| Features | Alarm, Leap Year | |
| Memory Size | - | |
| Time Format | HH:MM:SS (24 hr) | |
| Date Format | YY-MM-DD-dd | |
| Interface | I²C, 2-Wire Serial | |
| Voltage - Supply | 1.8 V ~ 5.5 V | |
| Voltage - Supply, Battery | - | |
| Current - Timekeeping (Max) | 0.8µA ~ 1.2µA @ 3V ~ 5V | |
| Operating Temperature | -40°C ~ 85°C | |
| Mounting Type | Surface Mount | |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) | |
| Supplier Device Package | 14-SOP | |
| Other Names | Q41858151000202 RX-8581SA:B:ROHS RX-8581SAB RX8581SA:B SE3253 | |
| 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