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DS1339U-3 The DS1339U-3 is an I2C Serial Real Time Clock from Analog Devices / Maxim Integrated. It features a clock/calendar function with alarm and leap year capabilities.
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DS1339U-3

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1339U-3 is an I2C Serial Real Time Clock from Analog Devices / Maxim Integrated. It features a clock/calendar function with alarm and leap year capabilities.
✓ Total Stock: 2,500 pcs

DS1339U-3 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
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DS1339U-3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Lead Style
Mounting Type
Operating Temperature
Operating Voltage
Supplier Device Package
Tape & Reel
Time Format
Type
Voltage
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DS1339U-3 Description

Short technical summary and product information.

The DS1339U-3 is a real-time clock (RTC) IC from Analog Devices / Maxim Integrated, designed for accurate timekeeping. It operates with a battery voltage range of 1.3V to 3.7V and a supply voltage range of 2.7V to 5.5V.

 

This device supports both 12-hour and 24-hour time formats, with date formatting in YY-MM-DD. Key features include an alarm function, leap year compensation, and a square wave output. It also incorporates a trickle-charger for battery management. The RTC consumes a low current of 150µA at 3.3V for timekeeping.

 

Designed for surface mounting, the DS1339U-3 comes in an 8-µMAX package, with the package case specified as 8-TSSOP, 8-MSOP (0.118", 3.00mm Width). It operates within an ambient temperature range of -40°C to 85°C. The interface utilized is I²C, making it suitable for integration into various embedded systems requiring precise timekeeping.

DS1339U-3 Quick Information

Product Type: Real Time Clock
Canonical Name: DS1339U-3 I2C Serial Real Time Clock
Subcategory: Real Time Clocks

DS1339U-3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1339U-3 Features

  • I2C serial interface for communication.
  • Clock and calendar functions included.
  • Supports alarm and leap year features.
  • Low timekeeping current of 150µA.
  • Surface mountable in 8-µMAX package.

DS1339U-3 Applications

  • Ideal for embedded timekeeping systems.
  • Suitable for battery-backed applications.
  • Used in devices requiring accurate time.
  • Integrates easily with microcontrollers.

DS1339U-3 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS1339U-3?

The DS1339U-3 has a battery voltage supply range of 1.3V to 3.7V and a general supply voltage range of 2.7V to 5.5V.

What package type is the DS1339U-3 available in?

The DS1339U-3 is available in an 8-µMAX package, with the package case being 8-TSSOP, 8-MSOP (0.118", 3.00mm Width).

What is the operating temperature range for the DS1339U-3?

The operating temperature range for the DS1339U-3 is -40°C to 85°C (TA).

Does the DS1339U-3 support RoHS compliance?

The RoHS status for the DS1339U-3 is listed as non-compliant.

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