The Renesas Electronics X1227S8-4.5A is a clock/calendar electronic component that comes in an 8-SOIC package.

• Features: Alarm, Leap Year, Supervisor, Watchdog Timer
• Interface: I2C
• Serial Interface: 2-Wire
• Date Format: YY-MM-DD-dd
• Current Timekeeping: 10μA to 20μA @ 2.7V to 5V

It features an alarm, leap year, supervisor, and watchdog timer. It has an I2C interface and a 2-wire serial interface. The date format is YY-MM-DD-dd. The current timekeeping ranges from 10μA to 20μA @ 2.7V to 5V. It has a limited supply and demand status and is obsolete. The X1227S8-4.5A is designed for use in various applications, including integrated circuits.