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DS1337 Datasheet I2C Serial Real-Time Clock

Manufacturer: Maxim Integrated (now Analog Devices)

General Description

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.

Overview

GENERAL.

Key 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.
  • Interfaces with Most Microcontrollers o I2C Serial Interface.
  • Surface-Mount Package with an Integrated Crystal (DC1337C) Saves Additional Space and Simplifies Design.
  • -40°C to +85°C.