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Name: DS1339U-3+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1339U-3+T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS1339U-3+T&R

Part No.:: DS1339U-3+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1339U-3+T&R.pdf

Description:: IC RTC CLK/CALENDAR I2C 8-USOP

In Stock:: 2910

Quantity:: Add To Cart

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DS1339U-3+T&R Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, Trickle-Charger
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2.7V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 3.7V
Current-Timekeeping(Max):
150µA @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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DS1339U-3+T&R information

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Basic introduction and simple engineering application of DS1339U-3+T&R

DS1339U-3+T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated, offering precise timekeeping capabilities for various electronic applications. It integrates a temperature-compensated crystal oscillator (TCXO) and a battery backup function, ensuring reliable timekeeping even in the absence of external power.

Basic Introduction:

The DS1339U-3+T&R RTC chip is designed to provide accurate timekeeping functionality for electronic devices such as microcontrollers, data loggers, and instrumentation systems. It communicates with the host controller via a simple serial interface, making it easy to integrate into existing designs.

Application Example:

In a simple project, the DS1339U-3+T&R RTC chip can be utilized to add timestamp functionality to a data logging system. Let's create a basic project to log temperature readings along with timestamps using an Arduino microcontroller.

Experimental Procedure:

1. Hardware Setup:

Connect the DS1339U-3+T&R RTC chip to the Arduino microcontroller as follows:

- Connect the SDA pin of the DS1339U-3+T&R to the Arduino's SDA pin (Analog pin 4).

- Connect the SCL pin of the DS1339U-3+T&R to the Arduino's SCL pin (Analog pin 5).

- Connect the VCC pin of the DS1339U-3+T&R to the 5V output of the Arduino.

- Connect the GND pin of the DS1339U-3+T&R to the ground (GND) of the Arduino.

2. Software Configuration:

Download and install the DS1339 RTC library for Arduino from the Arduino Library Manager or GitHub repository.

Include the library in your Arduino sketch and initialize the RTC object.

```html

#include 
#include 

DS1339 rtc;

void setup() {
Serial.begin(9600);
Wire.begin();
rtc.begin();
}

scss Copy code

3. Logging Temperature Data:

Utilize a temperature sensor module (e.g., DS18B20) to measure temperature. Connect the sensor to the Arduino and read temperature values.

Include code to read the temperature and timestamp from the RTC and log the data to a serial monitor or an SD card.

```html

void loop() {
  float temperature = readTemperature(); // Function to read temperature
  DateTime now = rtc.now();
  
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C, Time: ");
  printDateTime(now);
  Serial.println();
  
  delay(1000); // Adjust delay as needed
}

void printDateTime(DateTime dt) {
  Serial.print(dt.year(), DEC);
  Serial.print('/');
  Serial.print(dt.month(), DEC);
  Serial.print('/');
  Serial.print(dt.day(), DEC);
  Serial.print(' ');
  Serial.print(dt.hour(), DEC);
  Serial.print(':');
  Serial.print(dt.minute(), DEC);
  Serial.print(':');
  Serial.print(dt.second(), DEC);
}

4. Data Analysis:

After logging data for a certain period, analyze the collected data to observe temperature trends over time. You can visualize the data using plotting software like Excel or MATLAB.

Conclusion:

In this project, we've demonstrated the basic usage of the DS1339U-3+T&R RTC chip in a temperature logging application. By integrating this RTC into your projects, you can accurately timestamp events and data, enabling precise time-based control and analysis.

DS1339U-3+T&R FAQ

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6. What is the process for return or replacement of DS1339U-3+T&R?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1339U-3+T&R we delivered, we will accept the replacement or return of the DS1339U-3+T&R only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1339U-3+T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations