DS1337 Datasheet - Maxim Integrated

DS1337 I2C Serial Real-Time Clock

The DS1337 serial real-time clock is a low-power clock/calendar with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. T.

DS1337 Features

* Completely Manages All Timekeeping Functions o Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation Valid Up to 2100 o Two Time-of-Day Alarms o Programmable Square-Wave Output Defaults to 32kHz on Power-Up o Oscillator Stop Flag

DS1337-MaximIntegrated.pdf