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DS1339B Datasheet Serial Real-time Clock

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: DS1339B EVALUATION KIT AVAILABLE Low-Current, I2C, Serial Real-Time Clock for High-ESR Crystals.

General Description

The DS1339B 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

  • Drop-In Replacement for DS1339.
  • Supports High-ESR Crystals Up to 100kΩ to Allow Crystals to be Optimized for Cost and Space.
  • Completely Manages All Timekeeping Functions.
  • 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 2200.
  • Two Time-of-Day Alarms.
  • Programmable Square-Wave Output Signal.
  • Low-Power Operation Extends Battery Backup Run Time.

DS1339B Distributor & Price

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More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
DS1339 I2C Serial Real-Time Clock
DS1339A 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