The HYM1307 Real-time Clock Clock/Calendar I2C 200uA @ 5V DIP-8 RoHS is a precision I2C-bus real-time clock (RTC) and calendar designed by Haoyu. This low power device features a very low usage current of only 200 µA at 5V. It has accurate timing and date information in the form of seconds, minutes, hours, day, date, month, and year with Leap Year Compensation valid up to 2100. It provides an I2C programmable interface, which is useful for various data logging, time keeping, alarm, and timing applications. The device also offers three bidirectional programmable time-of-day alarm and one programmable Msec timer/event. It is packaged in a 8-pin dual-in-line package and is RoHS compliant.