• DS1339U-33+ SOP-21
DS1339U-33+ SOP-21

DS1339U-33+

Real Time Clock IC Serial Real-Time Clock

Quantity Unit Price(USD) Ext. Price
1 $1.053 $1.05
10 $0.890 $8.90
30 $0.799 $23.97
100 $0.699 $69.90
500 $0.654 $327.00
1000 $0.633 $633.00

Inventory:7,651

*The price is for reference only.
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  • Part Number : DS1339U-33+

  • Package/Case : SOP-21

  • Brands : Analog Devices

  • Components Categories : Real Time Clocks

  • Datesheet : DS1339U-33+ DataSheet (PDF)

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Overview of DS1339U-33+

The DS1339U-33+ is a highly accurate real-time clock (RTC) IC with an integrated temperature-compensated crystal oscillator (TCXO). It provides precise timekeeping and time/date information for various electronic applications, including data logging, time-stamping, and scheduling.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • GND: Ground
  • SCL: Serial Clock Input
  • SDA: Serial Data Input/Output
  • N/C: No Connection
  • VBAT: Battery Input for Backup Power
  • X1: Crystal Connection
  • X2: Crystal Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the DS1339U-33+ IC for a visual representation.

Key Features

  • Highly Accurate Timekeeping: The DS1339U-33+ offers precise timing with a built-in TCXO for temperature compensation.
  • Battery Backup: Equipped with a VBAT pin for connecting an external battery to ensure continuous operation during power loss.
  • I2C Interface: Supports I2C communication protocol for easy integration into digital systems.
  • Alarm Functions: Provides alarm features for setting time-based alerts or triggers.
  • Low Power Consumption: Operates with low power consumption, making it suitable for portable and battery-powered devices.

Note: For detailed technical specifications, please refer to the DS1339U-33+ datasheet.

Application

  • Embedded Systems: Ideal for embedding timekeeping functions in microcontroller-based systems.
  • Data Logging: Suitable for applications requiring accurate time stamps and logging of events.
  • Automatic Scheduling: Used in devices that require scheduled operations or time-based control.

Functionality

The DS1339U-33+ is a real-time clock IC that provides accurate timekeeping and date information with temperature compensation. It enhances time-related functions in electronic devices for improved functionality.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the positive power supply and GND (Pin 2) to ground.
  • I2C Communication: Use SCL (Pin 3) and SDA (Pin 4) for I2C communication with the RTC.
  • Battery Backup: Connect an external battery to the VBAT pin for backup power.

Frequently Asked Questions

Q: What is the accuracy of the DS1339U-33+ RTC?
A: The DS1339U-33+ offers high accuracy with temperature compensation for precise timekeeping.

Q: Can the DS1339U-33+ operate in a wide temperature range?
A: Yes, the DS1339U-33+ is designed to operate reliably across a wide temperature range, ensuring consistent performance in various environments.

Equivalent

For similar functionalities, consider these alternatives to the DS1339U-33+:

  • DS3231: A popular RTC module with integrated TCXO and temperature-compensated crystal for accurate timekeeping.
  • MCP79410: Another reliable RTC IC offering precise timekeeping features for electronic applications.

DS1339U-33+

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Real Time Clock RoHS Details
Mounting Style SMD/SMT Package / Case MSOP-8
RTC Bus Interface I2C, Serial Date Format YY-MM-DD-dd
Time Format HH:MM:SS (12 hr, 24 hr) Battery Backup Switching Backup Switching
Supply Voltage - Max 5.5 V Supply Voltage - Min 2.97 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Brand Analog Devices / Maxim Integrated Function Alarm, Calendar, Clock, Trickle Charger
Operating Supply Current 450 uA Product Type Real Time Clocks
Series DS1339U Factory Pack Quantity 50
Subcategory Clock & Timer ICs Part # Aliases DS1339U 90-1339U+033
Unit Weight 0.004938 oz

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