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DS1339 Datasheet I2c Serial Real-time Clock

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: GENERAL.

General Description

The DS1339 serial real-time clock (RTC) is a lowpower clock/date device with two programmable timeof-day alarms and a programmable square-wave output.

Address and data are transferred serially through an I2C bus.

The clock/date provides seconds, minutes, hours, day, date, month, and year information.

Key Features

  • Completely Manages All Timekeeping Functions o Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 o Two Time-of-Day Alarms o Programmable Square-Wave Output o Oscillator Stop Flag.
  • Interfaces to Most Microcontrollers o I2C Serial Interface.
  • Low-Power Operation Extends Battery Backup Run Time o Automatic Power-Fail Detect and Switch Circuitry o Trickle-Charge Capability.
  • Underwriters.

DS1339 Distributor & Price

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More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
DS1339A Serial Real-Time Clock
DS1339B Serial Real-Time Clock
DS1337 I2C Serial Real-Time Clock
DS1302 Trickle-Charge Timekeeping Chip
DS1305 Serial Alarm Real-Time Clock
DS1306 Serial Alarm Real-Time Clock
DS1308 Low-Current I2C RTC
DS1312 Nonvolatile Controller
DS1314 3V Nonvolatile Controller
DS1315 Phantom Time